echo -e working improperly in shell script

You can do it completely in awk: #!/usr/bin/awk -f { n = split($2, a, "|"); for (i = 1; i <= n; i++) printf("%s %s\n", $1, a[i]) } ...

How to draw boxes around “groups” in a heatmap?

r,graphics,ggplot2

This may be considered cheating, but very easy: # Depending on your data you may be able to generate `d2` directly # here we need to re-order a bit d2 <- transform( d, V1 = substr(Var1, 1, 1), V2=factor(substr(Var2, 1, 1), levels=letters[3:1]) ) ggplot(d2) + geom_tile(aes(x = Var1, y =...

Preserving leading 0's in string - number - string conversion

string,excel,vba,excel-vba,type-conversion

Converting "00100" to a Double using Val turned it into 100, so CStr(100) returns "100" as it should. You need to format the string to what you want it to look like: defNCRFNum = NCRFNumAr(0) & "-" & Format(Val(NCRFNumAr(1)) + 1, "00000") If you need to parameterize the length of...

Starting A service from a Broadcast Receiver

android,service,broadcastreceiver

In the future, please examine LogCat to see where you are crashing. In this case, Der Golem would appear to be correct. Not only are you attempting to do database I/O on the main application thread (bad!), you are trying to do so in an initializer of the Service. db...

HttpClient request in Android application fails without any Exceptions

java,android,apache,servlets,httpclient

It could be that your laptop is detecting it is on a public network now, and so it's built in firewall is blocking inbound connections (which is why it would work at home/private network). The symptom would be nothing happening if the timeout set is infinite. Try disabling firewall or...

Doubly linked list working improperly

c,pointers,doubly-linked-list

You have a typo in your "doublePrev" function. Try this. void dubblePrev (struct entry *e) { if (e != '\0') { printf ("%d\n", e->value); dubblePrev(e->prev); } ...

Best way to pass connection string to DAL?

entity-framework

Here is what I came up with. The solution by Jake requires that I have all of the connection strings in the web.config file (not an option) and that I pass the name of the connection string being used through each method call in every layer. Or, have one connection...

Check if a required software is installed with maven

maven

You could use the GMaven plugin to execute some Groovy code which checks whether GraphViz is installed. For example this code will print a simple warning message if you run mvn verify without GraphViz installed: <plugin> <groupId>org.codehaus.gmaven</groupId> <artifactId>gmaven-plugin</artifactId> <executions> <execution> <phase>verify</phase> <goals> <goal>execute</goal> </goals> <configuration> <source> try { def exitValue...

How to display dialog upon launching Android app

android,alertdialog

you need to add swipeAlert.show();...

Share variable in angular directives

angularjs

Using $rootScope to share data, as in the answer from @Edward Knowles, is perfectly legal and works great. However, by putting the data on the $rootScope you are putting that data on every other $scope in your application. This may not be ideal (variable conflicts, breaks encapsulation, unit tests more...

Neo4j Cypher: Group nodes by the relation to another node

neo4j,cypher

To pick a post per category by random: MATCH (p:Post)-[:HAS_CATEGORY]->(c:Category) WITH c, collect(p) as posts RETURN c, posts[toInt(rand()*length(posts))] We're using the collect aggregation function per category and in the return we pick one entry by random....

Android Studio: Error getting string from resource in multi-language app

android,multilingual,android-resources

The locale for Swedish is "sv_SE". Your Swedish resources need to go into values-sv, not values-se. "sv" is the language (in this case Swedish) "SE" is the country (in this case Sweden)...

How to align content to the left or right using bootstrap?

html,css,twitter-bootstrap-3

I am not 100% understand your question, but as align in paypal.com modify your div as below <div class="pull-right section col-md-6 light text-left"> add "pull-right" and make it "text-left" Hope this is helpfull!!!...

How to hook into Contact Form 7 Before Send

wordpress,wordpress-plugin,contact-form-7

I had to do this to prevent Email from being sent. Hope it helps. /* Prevent the email sending step for specific form */ add_action("wpcf7_before_send_mail", "wpcf7_do_something_else"); function wpcf7_do_something_else($cf7) { // get the contact form object $wpcf = WPCF7_ContactForm::get_current(); // if you wanna check the ID of the Form $wpcf->id if...

xcode cant add controller to splitview controller in storyboard

ios,objective-c,xcode

Look at your ViewController in code, it probably looks like that: @interface ViewController : UIViewController // something could be here @end You should change it to the following @interface ViewController : UISplitViewController // something could be here @end Then it will appear in that dropdown...

Font in h1 different when offline and online

html,css

The font is http: not https:, so it will block it as being insecure. Using Chrome, I went to your site, opened the dev tools (F12) and reloaded the page. The following error is displayed in the console. Mixed Content: The page at 'https://eliasmalik.com/' was loaded over HTTPS, but requested...

Getting Desktop Resolution in MFC C++

c++,mfc,stringstream,getsystemmetrics

The error is most likely caused by the buffer overruns in your code such as the following: LPTSTR dest = new TCHAR(); StringCchCat(dest, 300, _T("\nm_iDefaultDesktopSizeX = ")); The first line allocates a single character, then on the second line you write about 20-30 characters to it. Don't bother with raw...

Uncaught TypeError: Cannot read property 'nodeType' of null

javascript,knockout.js

You should not call ko.applyBindings until you're sure the DOM's loaded. Currently, in your code, you execute applyBindings right when that line of code hits. At that point, the body tag hasn't even been encountered yet by the browser, so it won't know what to bind to. A quick fix...

How do I patch a method of a property object in python

python,unit-testing,python-mock

The simpler way to do it is to path the static reference of configure_jobs method in Lunabuild class definition. So use follow code should do exactly what you need with patch('lcl.lunabuild.Lunabuild.configure_jobs', side_effect=OSError(2, 'message')) as mock: retcode = test_lcl.main() self.assertEquals(retcode, 2) If you want patch just the object that you use...

2-line NodeJS application crashes on mongoose.connect() while trying to connect to a mongolab MongoDB database

windows,node.js,mongodb,mongoose,mongolab

This error happens when there is an error connecting to mongodb without an error callback to be called. To fix this error (and get the actual error,) add a callback to the .connect method, or, bind to the error event. mongoose.connect(config.mongodb, function (err) { if (err) { console.log(err); } });...

How do I create a subset of an xml file or filter out child nodes of an xml file using powershell?

xml,powershell,xslt

Here is an alternative solution, not using xpath but working with string replacement and regular expression. It's efficient and can be written in one line (have a look at the last line). My file is the following : <?xml version="1.0" encoding="utf-8"?> <body> <node1 attribute1="attr1"> <child1 attribute1="A"> <grandchild> </grandchild> </child1> <child2...

Listening for raw TCP packets with Meteor

meteor

Moving the require out of the method should work: net = Meteor.npmRequire('net'); Meteor.methods({ 'startNet': function (port) { net.createServer(function (socket) { console.log("connected"); socket.on('data', function (data) { console.log(data.toString()); }); }).listen(port); } }); ...

Can I use a TDBLookupComboBox without a DataSource

delphi,delphi-xe7

Well, you should have a TDataSource which has to be connected to the ListSource property of the TDBLookupComboBox. Just add decent entries for KeyField and ListField. This should get it working.

Arrays aggregation using jQuery

jquery,arrays,json

If they all have the same length, you can map the first array and extend the objects inside var result = array1.map(function(o, i) { return $.extend({}, o, array2[i], array3[i], array4[i], array5[i], array6[i]); }); FIDDLE...

Rails 4 - why turbolinks causes datepicker stopping working

jquery,ruby-on-rails,datepicker

I'm not entirely sure, but from a practical standpoint, I always disable Turbolinks right off the bat in any Rails application I start. But checkout jQuery Turbolinks if you need what turbolinks offers. According to the author of jquery Turbolinks: "But if you have a large codebase with lots of...

Start /wait /b not exiting program when there is an error

windows,batch-file,command-line,cmd

I have found some issues in start /WAIT /B any_program || exit %errorlevel%: #1 - %errorlevel% variable will be expanded at parse time. Thus your script never returns proper exit code. See EnableDelayedExpansion. #2 - || conditional command execution: unfortunately I can't document it properly, but all my attempts with...

Refering to a different control in each iteration of a loop

vb.net,winforms

If you prefix all of you text boxes names (e.g. textBoxArray1) you can then loop through all the text boxes on the form and process accordingly. Like: Dim ctrl As Control For Each ctrl In Me.Controls If (ctrl.GetType() Is GetType(TextBox)) Then If(ctrl.Name.StartsWith("textBoxArray") Then 'your code here End If End If...

Drop trigger/function at end of session in PostgreSQL?

postgresql

In reasonably recent Postgres versions you can create a function in pg_temp schema: create function pg_temp.get_true() returns boolean language sql as $$ select true; $$; select pg_temp.get_true(); This is the schema in which temporary tables are created. All its contents, including your function, will be deleted on end of session....

How to insert data from a tornado web-socket to a mySQL database using Django

python,mysql,django,sockets,tornado

There are two ways. With rabbitmq. Create workers with django (celery), and send tasks to queue from tornado. Add to tornado run script: os.environ['DJANGO_SETTINGS_MODULE'] = 'myproject.settings' Then simple use django orm for work with database. Use it with threads, because django orm is not async. Also dont forget restart tornado...

Phalcon library class calling a function within another

php,class,phalcon

You are trying to call TestHelper f1() statically in Volt, where your class does not expose that function as a static. You can change your code like this: <?php use Phalcon\Mvc\User\Component; class Testhelper extends Component { public static function f1($data) { $tmp = self::f2($data); return $tmp; } public static function...

Format specifications for real numbers

verilog,system-verilog

Using %7 works for your values with 2 simulators I tried: module tb; real expected, actual; initial begin expected = 12.25; actual= 12.75; $display("expected= %7.2f, actual= %7.2f", expected, actual); expected= 4093.25; actual= 4094.75; $display("expected= %7.2f, actual= %7.2f", expected, actual); #5 $finish; end endmodule /* Output: expected= 12.25, actual= 12.75 expected=...

Spring Boot repository POST response

spring,rest,spring-boot

There should be a Location header in the response, with the URI of the just created entity.

Cardslib's CardView OnCardClickListener's onClick method not being called

android,android-layout,recyclerview,android-cardview,cardslib

Card.OnCardClickListener is an Interface. You must create the class that defines how the functions within the interface are to be used. Try this: card.setOnClickListener(new Card.OnCardClickListener() { @Override public void onClick(Card card, View view) { // This will execute when the the card is clicked } }); Source for answer: https://github.com/gabrielemariotti/cardslib/blob/master/doc/CARD.md#clickable-card...

Operations on input boxes

javascript,jquery,html

You need to parse the vals, and set your order of ops (if need be), like: $(document).ready(function() { $("input").blur( function() { var sum = 0; $('input[name="y"]').val(function() { var valA = parseFloat($('input[name="a"]').val()), valB = parseFloat($('input[name="b"]').val()), valE = parseFloat($('input[name="e"]').val()), sum = (valA + valB) - valE;//set your order of ops here return...

How to change or remove splash screen in windows 8.1?

c#,windows-8.1

You need to go to the Package.manifest, through Visual Studio, and change the splash screen value. Here is a link to the Xaml version and the steps: Open your app in Visual Studio 2013. From Solution Explorer, open the "Package.appxmanifest". Open the Visual Assets tab, select Splash Screen and you'll...

Oracle XPath: getting inner text

xml,oracle,xpath

You can turn the option element contents (obtained withtext()) into an attribute of your r element: select x."VAL_LABEL", x."LABEL", x."NAME", x."THE_VAL" FROM XMLTABLE( 'for $i in /metadata/fields/field/option return element r{ attribute val_label {$i/text()}, $i/@value, $i/../@label, $i/../@name }' PASSING xmltype( '<metadata> ... </metadata>') COLUMNS val_label VARCHAR(32) PATH '@val_label', the_val INTEGER PATH...

SSLv3 certificate verify failure when TLSv1 was specified?

ruby,openssl

OpenSSL::SSL::SSLError: SSL_connect returned=1 errno=0 state=SSLv3 read server certificate B: certificate verify failed... Why is it complaining about SSLv3, if I am specifying TLSv1? Its an artifact of the error messages in OpenSSL. Don't worry too much about it (other than the take away of "verification failed"). You did not...

jquery fullscreenchange and on.click Event

jquery,events,fullscreenchange

Change this.fullScreenMode to document.fullScreenMode in your click handler. In the click handler, this refers to the button a.sp-video, not the document. As in: $('a.sp-video').on('click', function() { console.log('clicked on link'); console.log('fullScreenMode: ' + document.fullScreenMode); if (document.fullScreenMode) {... ...

Creating a video game in Maya for android

maya

In short, no. Maya is a character animation software, not a game development platform. It doesn't directly support creating an application of any kind. Maya creates a portion of the raw materials for a game, but you'll need some kind of programming tool to create the actual game itself....

Make a lookup table from a data.frame

r,hash

Here is one way. The lookup is a vector: keys <- sapply(data,function(x)if(is.factor(x))levels(x)else "NA") vals <- names(data) lookup <- setNames(vals,keys) I've replace NA with "NA" since I couldn't figure out how to use the former. The syntax lookup[["egg"]] works, but also lookup["egg"]. The reverse lookup is rlookup <- keys, accessible the...

How can I check if any button of a two dimensional array was clicked?

arrays,delphi,minesweeper

When you create the buttons, set their Tag property to an ID: Button.Tag := Col + Row*ColCount; Give each button the same OnClick event handler. Button.OnClick := ButtonClick; These two lines of code will be inside a loop like this: for Row := 0 to RowCount-1 do for Col :=...

r ggplot2 annotate pointrange and segment in single facet

r,ggplot2,facet

To produce the plot exactly as you want it might be difficult, but often it is good not to mess to much around with details of ggplot. So I can show you how to produce the following plot: The way you are using gpgplot is not how it is (as...

Caused by: java.io.IOException: File /tmp/lp/LP.2015.4.28.10.29.40.zip is not a file or doesn't exist

java,file

I figured that is becauze ZIP file is not a File System.out.println("Uploader file isFile? " + file.isFile()); I see Uploader file isFile? false I have a different problem now...

How to calculate the Difference between SUM values

sql,teradata,difference

Windowed Aggregate Function are calculated after aggregation, you need a LEAD function which is not implemented in Teradata, but can easily emulated: SELECT SNAPSHOT_DATE, SUM(ACCOUNT_BALANCE_AMOUNT) SAVINGS_BALANCES, SUM(ACCOUNT_BALANCE_AMOUNT) -- current value - MIN(SUM(ACCOUNT_BALANCE_AMOUNT)) -- previous row's value OVER (ORDER BY SNAPSHOT_DATE ROWS BETWEEN 1 PRECEDING AND 1 PRECEDING) AS DIFFERENCE FROM...

How to get info from Users model into a controller other than UsersController

cakephp

Either: $this->Bookmarks->Users->get(... // if they're associated models Or: $this->loadModel('Users'); $this->Users->get(... // if they're not associated models ...

Ember-cli addon read configurations

node.js,ember.js,ember-cli,ember-cli-addons

In your commands run function, you can access this.project which provides details about the project. What you want to use is this.project.root.. it's the root directory of the project....

Python - Using Streamhandler in multiprocessing environment

python,windows,logging,multiprocessing

The StreamHandler isn't working in the children because you're only setting it up in the parent process. You need to do all your logging setup inside of init_log for it to take effect in the children: # ... This stuff is the same... def _upload_part(argFile, argBucket, verbose, **core_chunk): # Add...

In Java, removing many character of a string

java,string,substring

As I understand, you want to remove every second character. I'd use a for-loop for this: String out = ""; for(int i = 0; i < line.length(); i += 2) { out += line.charAt(i); } System.out.println(out); Notice that I add 2 to i. So it should get the char 0,...

Can i use SendGrid to receive email from different addresses with my own domain/subdomain

email,sendgrid

The short answer is yes - you can point your MX records for an entire domain to SendGrid and have them parse all incoming emails. Check out their documentation here....

Wtforms QueryselectField doesn't pass id

python-2.7,flask,sqlalchemy,wtforms

Finally I find what was wrong with my code :) I was using project_id(Foreign Key) in the report table to obtain the project id(form.project_list.data) instead of projects(relationship). So I made some changes in models.py and views.py. Poor forms.py, I thought it was your fault! models.py class Project(db.Model): project_id = db.Column(db.Integer,...

Using Hibernate Get with Multi-Column Primary Key

java,hibernate,primary-key,composite-primary-key

Try to use and @IdClass or @EmbeddedId public MyJoinClass implements Serializable { private static final long serialVersionUID = -5L; @EmbeddedId private MyJoinClassKey key; } public MyJoinClassKey implements Serializable{ @Column(name = "ID") private long id; @Column(name = "EMAIL_ADDRESS_ID") private long emailAddressId; } Then use MyJoinClass a = (MyJoinClass )session.get(MyJoinClass .class, new...

List ocurrences in column - SQL

mysql,sql,postgresql,histogram

Based upon your question, it is a simple select distinct and then an order by SELECT distinct(Column_Name) FROM Table_name ORDER BY Column_Name DESC Or SELECT distinct(Column_Name) FROM Table_name ORDER BY Column_Name Depending on the Sort order that you want...

How to show datapicker in Angular JS?

angularjs,datepicker

While ritesh's answer might correct it, the explanation isn't clear. The reason you are having both open at the same time is because of this: is-open="opened". The is-open is used to open the specified datepicker when this scope value is true. You mapped both datepickers to the same value. So...

In-App purchase non renewable subscription limit to 5 devices

ios,objective-c,in-app-purchase

No. Not at all. Apple is very clear about this: "work on all devices".

Can you append a string and a number as a single entry to a list in python?

python,string,list,integer,append

You can insert a tuple containing the elements you want. a=[] a.append(("Test",(12,15))) then a[0][0] will be equal to "Test", a[0][1][0] will be 12 and a[0][1][1] will be 15. To my mind, you don't need that 12/15 business....

Convert String into Date java [duplicate]

java,date-formatting

It will work for English locales, but for others languages it won't. Do not rely on default locale. You always should specify locale explicitly for such conversions: With Locale.US it passes: String testString = "14 September 11"; DateFormat df = new SimpleDateFormat("dd MMMM yy", Locale.US); Date newDate = df.parse(testString); With...

Changing variable scope in SSIS programatically

c#,ssis

You'd need to access the Variables collection on the specific Task/Container The following code creates an SSIS package that has an OnError event handler at the package level. On that event handler, eh, I add the variable sSourceObjectId string path = @"C:\ssisdata\p1.dtsx"; Application app = new Application(); Package pkg =...

how to show only x number of divisions using JavaScript and the for loop

javascript

Just take the first five elements from the array, with .slice: [].map.call( main.children, Object ).sort(...).slice(0, 5).forEach(...) ...

Spring Hibernate JPA - @Transactional does not Insert Data (Postgres)

java,spring,hibernate,postgresql,jpa

The issue was caused to a data outlier which essentially filled up the transaction logs while running (leading the application to essentially halt.) Refactoring the process to improve the performance.

Error Printing LinkedList of Structs after Deleting Node

c,linked-list,nodes,deleting

in removeEmployee(char* empID) function: case: when node to be deleted is not the head node; here, first you have to save the pointer of previous_node of delete_node and then set previous_node->next to delete_node->next and delete the delete_node. you haven't saved the pointer of previous_node. empBeforeEmptoDelete->next = empToDelete->next; ...

How can I use protractor to verify an URL?

javascript,testing,protractor,end-to-end

browser.getCurrentUrl() doesn't work with IE 10 if I recall. If you want to test against IE, you'll have to write some jquery that does that. I combined both the browser.getCurrentUrl method and the jquery into a function, did an if-check on the browser, and then put that in a common...

How can I update the total price shown for each item right away in the listView once I delete one of the items?

java,android,listview,android-listview

In my opinion, the fastest way is: create: OnItemDeletedListener.java OnItemDeletedListener.java public interface OnItemDeletedListener { public void onItemDeleted(); } in your CartItemsAdapter add following code: private OnItemDeletedListener onItemDeletedListener; public void setOnItemDeletedListener(Object object) { onItemDeletedListener = (OnItemDeletedListener) object; } In function getView(...) replace setOnClickListener with this: deleteFromCartButton.setOnClickListener(new View.OnClickListener() { @Override public void...

How to let the chatMessageCell appear in DialogVC programmatically (Not StoryBoard)

sinch

if you create your view controller with a xib file, copy the code from the chat view and you should be fine. The story board only makes it easier to do navigation.

Trigger on radio-button set via click event?

jquery,radio-button

Use trigger('change') to trigger event explicitly radio.prop("checked", true).trigger('change'); Updated Fiddle...

Binary tree mirror() how does this work?

c,data-structures

mirror(node->left) and mirror(node->right) places two consecutive function calls on the call stack. That's an odd way to put it, and it may reflect a misunderstanding. At no one time does the call stack ever contains a representation of both those function calls. My understanding is, first, the function is...

Convert a schedule (in wide form) to long form in R and select only some rows [closed]

r,data-manipulation

If your schedule is stored as a matrix or data frame, you can use the reshape2 package: # generate a fake schedule sched <- matrix(rbinom(25, 1, 1/2), 5, dimnames = list(1:5, c("Mo", "Tu", "We", "Th", "Fr"))) library(reshape2) melt(sched) # Var1 Var2 value # 1 1 Mo 0 # 2 2...

Sidekiq Rails 4.2 Use Active Job or Worker? What's the difference

ruby-on-rails,asynchronous,sidekiq,whenever,rails-activejob

Short answer is they are the same thing. ActiveJob calls it a Job whereas Sidekiq calls it a Worker. I've decided to keep the terminology different so that people can distinguish the two. You can use either one. Note that ActiveJob does not provide access to the full set of...

How to insert a large record into Orient DB using pyOrient?

python,pandas,orient-db

Per the Binary Data page in the Orient DB docs, it is possible to save the binary as a file in the file system, and then simply keep a reference to the file within the database. This has worked relatively well for me.

Swift static vars with complicated initialization

swift

Use a define-and-call anonymous function as your initializer: static let WithMilliseconds : NSDateFormatter = { let d = NSDateFormatter() d.timeZone = NSTimeZone(abbreviation: "GMT") d.dateFormat = "yyyy-MM-dd'T'HH:mm:ss.S" return d }() ...

Set initial value for enhanced for loop

java,for-loop

That's not the way the enhanced for loop works, because they are not using indexes. If you want to start at a given index, you will have to go with a standard for loop.

Next/Done button using Swift with textFieldShouldReturn

ios,swift,xcode6,subview,uitextfielddelegate

I was attempting to test my textfields in the SignUpWindowView.swift, which is where all of the textFields are created. But, since I place SignUpWindowView into my MainViewController as a subview, all of my UITextField "handling" needed to be done in the MainView and NOT its subview. So here is my...

python-How to reverse an negative integer or non-integer

python

how about using your code, but just concatenate a - when n is negative? rev_int.py: def reverse_int(m): x = 0 n = m if m < 0 : n *= -1 while n > 0 : x *= 10 x += n % 10 n /= 10 if m <...

Convert the Number to binary using IEEE 754 standard (32-bits)

binary,numbers,32-bit,ieee-754,ieee

Since i will assume you already know the Standard we can convert as following , Convert your number to base 2 1011.01000 Shift this binary number 1.01101000 2**3 (shifted by 3) add exponent 127+3=130 convert 130 to binary format 10000010 And so we have sign * 2^exponent * mantissa Sign...

Integration of one vector over another

arrays,matlab,integration

C = cumtrapz(A,B) will do. data = [ 0 0 0 0.041 1812.282 37.15178 0.129 2186.023 213.0772 0.25 2318.906 485.62541 0.407 2141.382 835.75801 0.553 1969.284 1135.83663 0.618 1926.069 1262.4356 0.857 2149.071 1749.41483 1.034 2302.972 2143.42064 1.071 2115.559 2225.16346 1.136 2173.948 2364.57244 1.198 2301.871 2503.32283 1.262 975.241 2608.19041 1.343 0 2647.68767]...

Splitting the data into 3 parts randomly - Excel

excel

Sometimes low-tech is best. If you don't need to repeat this very frequently... add a column to the dataset, fill with =RAND() sort the dataset on this column copy the first 333 rows into a new sheet copy the next 333 rows into a new sheet I bet that would...

Trick open() into reading from a non-file?

python-3.x

You can monkey-patch the module that contains the class before running the test, and restore it after the test: def my_fake_open(fake_filename): return object_with_read_and_close_that_will_feed_correct_data() def test_something(self): module_containing_test.open = my_fake_open ...run test... del module_containing_test.open Check out the mock library if you don't want to write your own mock objects....

How to search txt file from python using while loop

python,loops,search,for-loop,while-loop

Assuming you want to repeat the search continually until something is found, you can just enclose the search in a while loop guarded by a flag variable: with open("txt.txt") as searchfile: found = False while not found: b=str(raw_input('please enter a book ')) if b == '': break # allow the...

How to round a float up on 5 [duplicate]

python,c++,python-2.7,rounding

You can use double rounding to overcome the inability of binary arithmetic to exactly represent a decimal value. round(round(1.265, 3) + 0.0005, 2) ...

Form data does not inserted to the database

php,html,mysqli

Since Prepared is not null, it sounds like you have a database issue. Something in the database is not allowing you to write to it. What would be very handy to you is to see what is going on the database side. MySQL has a great feature that allows you...

How do you append values generated at two different point inside the same for loop

python,for-loop,append

This will give you the output as you specified in your question, or as close as possible to it. Note that whether you use the bin function or the functions below, you come out with a str(or str within a list). def one_bits(lst=None): return ''.join(['1' if i in lst else...

is there a stable version for UI Grid?

angularjs,ng-grid,angular-ui-grid

No, The stable version of ui-grid is not released yet.if you want stable version of grid,you can use ng-grid. ng-grid is older (version 2.x), ui-grid is newer (version 3.x) but not officially relased yet (currently in release candidate status). They're very similar.

“Run-time error '13' only when ”Fill down" used?

excel,vba,excel-vba,runtime-error

When They perform a fill Down, Target is a range with multiple cells. So, Target.Value Like "1" fails because you are attempting to compare a variant array with a string. What you need to do is process individual cells within the target range one at a time. Private Sub Worksheet_Change(ByVal...

valgrind error: invalid read

c,memory,memory-management,memory-leaks,valgrind

long sLen = 0; int ch; /* getchar() wants an int (not a a char) */ char *str = malloc(1); /* sizeof(char) is always 1, and don't cast malloc */ /* check the result of malloc */ if (str == NULL) { perror("malloc"); exit(EXIT_FAILURE); } while ((ch = getchar()) !=...

How to replace ' with \' in python? [duplicate]

python,replace,character

That's just the representation shown in the console. If you print it, you'll see it's all fine....

Should I put my events inside a queue after getting them from Azure Event Hub?

c#,azure,windows-azure-queues,azure-eventhub,lambda-architecture

This falls into the category of question whose answer will be much more obvious once the source for EventProcessorHost is made available, which I've been told is going to happen. The short answer is that you don't need to use a queue; however, I would keep the time it takes...

“Merging two files” using operator “+”

c++,file,operator-overloading,concatenation

C++ does not provide some magical handling for your abstract logic, it cannot just work out that File1=File2+File3 means you want to merge two files together. Firstly, those variables would have to be some form of 'type', and to have the logic you want, a type of your own devising....

Error running nosetests

python,nose

So, the way I've made it work is by specifically downloading nose-parameterized sudo pip install nose-parametrized Previously nose would work in the project's directory, but the trials would always be very quick. For example, Ran 0 tests in 0.002s I'm more confused now than previously. Why would I have to...

Can image.present? replace both !image.nil? and !image.blank?

ruby-on-rails

present? definition is: # File activesupport/lib/active_support/core_ext/object/blank.rb, line 22 def present? !blank? end and blank? definition is: # File activesupport/lib/active_support/core_ext/object/blank.rb, line 15 def blank? respond_to?(:empty?) ? !!empty? : !self end So: !image.nil? and !image.blank? could just be: !image.blank? !image.blank? is image.present? as a result !image.nil? and !image.blank? is the same as...

clear text in html5 canavas strokeText before rendering next

javascript,html5

You can use the clearRect method to clear the canvas like this: <script> var drawArea = document.getElementById('drawingPlane'); var ctx = drawArea.getContext("2d"); ctx.font = "60px Arial"; var counter = 0; function update() { ctx.clearRect ( 0 , 0 , drawArea.width, drawArea.height ); // clear canvas counter++; ctx.strokeText(counter , 50 , 30);...

I am getting a negative value when I try to convert a uint64_t to struct timeval? //edited

c++,uint64,timeval

offset / 1000000 produces a value of 1.8446744073709551615 × 10^13 which is too large for tv_sec which is of type int32. The max value that can be stored in an int32 is 2.147483647 × 10^9. You're overflowing the integer you're storing the result in, and it is wrapping around and...

How to disable radio button in a radio group in quiz application in android

android,android-radiobutton

Try uans.setChecked(false); - from your code this is getting the checked radio button from the group (rg1). Tip: If you need to change the radio button state yourself (such as when loading a saved CheckBoxPreference), use the setChecked(boolean) or toggle() method....

Angularjs and UI-Select: how to select an option from code

angularjs,angular-ui,ui-select2,ui-select

You can set that on controller load itself Markup <body ng-controller="DemoCtrl"> <p>Selected: {{item.selected}}</p> <ui-select ng-model="item.selected" theme="select2" ng-disabled="disabled" style="min-width: 300px;"> <ui-select-match placeholder="Select a item in the list">{{$select.selected.name}}</ui-select-match> <ui-select-choices repeat="item in items | propsFilter: {name: $select.search, age: $select.search}"> <div ng-bind-html="item.Code | highlight: $select.search"></div>...

Prohibited attributes in a Typescript Interface

interface,typescript,typescript1.4

In short (but depending on your definition of "tighter") you can't restrict things beyond this. The interface is a contract that says "if these members are not present, you aren't one of these". If your object happens to have additional members, that's fine; when you are using the interface, they...

MeshNormalMaterial color

three.js,shader,mesh,fragment-shader,material

The MeshNormalMaterial basically colors an object based on its normals. So in the equation you gave vNormal is the vertex normal of that fragment. Think of it as translating the (x,y,z) vector of a normal to an (r,g,b) color. The transformation between the two spaces is given by that formula....

Emails very delayed getting from mandrill to gmail

email,gmail,mandrill

I had similar issues with delays on emails sent via Mandrill to gmail. To fix the issue I viewed the "Sending Domains" page under "Settings" in Mandrill. I discovered the DKIM and SPF DNS records were either missing or not valid. Mandrill will provide you with new values by clicking...

Infinite loop with sql cursor (Oracle 10)

sql,oracle,cursor,plsqldeveloper

As has already been pointed out, when writing a loop this way, you need to specify the exit condition: DECLARE CURSOR cursor_ab IS SELECT num_ab FROM abonne; BEGIN OPEN cursor_ab; LOOP FETCH cursor_ab INTO numeroab; EXIT WHEN cursor_ab%NOTFOUND; DBMS_OUTPUT.put_line (numeroab); END LOOP; CLOSE cursor_ab; END; / However, you can accomplish...

What are the pitfalls of using Websockets in place of RESTful HTTP?

rest,http,websocket,client-server,spring-websocket

With RESTful HTTP you have a stateless request/response system where the client sends request and server returns the response. With webSockets you have a stateful (or potentially stateful) message passing system where messages can be sent either way and sending any given message is lower overhead than with a RESTful...

Relational queries in Cloud Code (parse.com)

javascript,parse.com

You can do this in a single call, given your constraints. If you have a small number of Collection objects and you're using a relative position (each Collection has an Image where position = 1, 2, etc.), there's no need to overthink the problem. These constraints mean there are relatively...

append a html include ng-click in angularjs

angularjs,angularjs-ng-click

use this code: See pluker Controller: $scope.value='mk'; var html='<div ng-click="selectedValue(value)">Value</div>' ; angular.element(document.getElementById('myID')).append($compile(html)($scope)) $scope.selectedValue = function(value){ $scope.val =value; console.log($scope.val) }; Html: <body ng-controller="MainCtrl"> <div id="myID"></div> </body> ...

Building a promise chain recursively in javascript - memory considerations

javascript,recursion,promise

a call stack and a promise chain - ie "deep" and "wide". Actually, no. There is no promise chain here as we know it from doSomeThingAsynchronous.then(doSomethingAsynchronous).then(doSomethingAsynchronous).… (which is what Promise.each or Promise.reduce might do to sequentially execute handlers if it was written this way). What we are facing here...

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