The operator < is undefined for the argument type
java,types,arguments,undefined,operator-keyword
Two points to make in response to this. Firstly, your for loop can use the array size directly (employeeName.length) rather than referring to the scanner object (the error is caused by you comparing a scanner to an int). Secondly, 'c' style arrays are used much less in Java than in...
“Ext.getCmp(…) is undefined” in different function
extjs,get,undefined,return-value
The createTreePaketExist will be called during component initialisation, it's unlikely the textfields are actually rendered or even initialised properly at this point, best to use the listeners. You could use refs in your controller to get a reference to these fields automatically or you could listen to the afterrender event...
Undefined variable: content
php,codeigniter,variables,model-view-controller,undefined
You have to pass the $data variable in the view method. Take a look at this: public function edit_news_form() { $this->load->model('users_model'); $id = $this->uri->segment(3); $result=$this->users_model->get_id($id); $data['content']=$result; $this->load->view('edit_news_form', $data); } ...
jQuery: undefined on object with the correct selector
javascript,jquery,html,twitter-bootstrap,undefined
You have a data attribute that looks like #sc1.1423423 note the period, then you do some getting and use a variable and you end up with $('#sc1.1423423') Note how that matches an element with the ID sc1 and the class 1423423 To make it work in jQuery the period has...
AJAX call returning 'undefined'
JSON_ENCODE returns string. Learn more about JSON_ENCODE You should convert that JsonArrayString to JsonArray $.get('file.php') .done(function(data) { var arrayObj = JSON.parse(data); $.each(arrayObj , function(key, value) { console.log(value.code); }); }); ...
Three.js JSONLoader blender model error: property 'length' undefined
json,3d,three.js,undefined,blender
In my experience so far with the exporter, you have to be very careful which boxes you tick! This length error is usually because you are either not exporting the vertexes, or exporting the scene rather the object....
Uncaught ReferenceError: myVarible is not defined in if statement comparing to undefined
From what I understood, the problem is, that on some pages you don't create the global myVarible variable at all. For such case checks myVarible !== undefined and typeof myVarible !== "undefined" are not equal. The difference is, that only typeof operator can handle non-existing references to names (e.g. variables)....
Undefined local variable post
ruby-on-rails,ruby,variables,undefined,local
You need to use partial: when you pass locals to a partial as follows: <%= render partial: 'post', locals: { post: post, user: @user} %> I hope this will help you....
Undefined variable in PHP header file [duplicate]
Put session_start() at the top of PHP script. <?php session_start(); // your script goes here ...
How to search defined class or variable's location
Your code was never working well. It is bad written. The reason you did not see errors, in your old server is that you had lower error reporting or the whole error reporting was turned off. When you are developing something you should always develop with turned on error reporting,...
Concatenation of undef and list is undef - proof Haskell
There is not much to prove. There is simply a rule (which can't be explained or broken down into anything smaller) that case statements which try to match undefined against a constructor result in undefined. Once you accept this rule, we can observe undefined ++ ys = { by definition...
$.getJSON returns “undefined” values from github
The github api seems to respond differently based on response type (JSONP vs JSON). For json, it responds [...]. For jsonp, it responds {data:[...], meta:{...}}. I suggest just adding: data = data.length ? data : data.data; to the first line of your callback....
Why does this function return undefined.property in JS?
your function dump_props(obj, obj_name) expects a second obj_name param. But you are calling it just passing one param: dump_props(car); So, the second one will be undefined. I guess this is what you want: var car = { make: "Ford", model: "Mustang" }; function dump_props(obj, obj_name) { var result = "";...
test if two variables holds some data javascript
Assuming document.getElementById('filegroup') is a form input of some type, the value will return a empty string when there is no value. Try: var value1 = document.getElementById('filegroup').value; var value2 = document.getElementById('new_filegroup').value; if(value1 && value2) { // checks both values have something alert("Both values have something") } if(value1 || value2) { //...
JavaScript: global array variable returned undefined
run assigns empty arrays to hour, db and wb. These are variables which are locally scoped to the run function. It then calls getData and passes those arrays as arguments. Inside getData new local variables (also named hour, db and wb) are declared and are assigned the three empty arrays...
Ajax with asp.net aspx returns Undefined
datatype should be dataType and contenttype should be contentType. Also remove / from start of "/application/json; charset=utf-8" $.ajax({ type: "POST", url: "main.aspx/getTest", data: "{}", dataType: "json", contentType: "application/json; charset=utf-8", success: function (msg) { alert(msg.d); }, error: function (data) { } }); ...
function name is undefined in python class
Since test() doesn't know who is abc, that msg NameError: global name 'abc' is not defined you see should happen when you invoke b.test() (calling b.abc() is fine), change it to: class a: def abc(self): print "haha" def test(self): self.abc() # abc() b = a() b.abc() # 'haha' is printed...
Repeating Error: undefined method `start_with?' for nil:NilClass
I came across this same issue myself maybe my solution will help you out. Check your /app/assets/stylesheets/application.scss file for "bootstrap-spockets". Commenting this out solved it for me.
posts and attachments, Undefined property: Illuminate\Database\Eloquent\Collection::$name
According to your relationship definition there can be many attachments, that means the relation will return a collection of models. You can either get only the first one: @if($attachment = $post->attachments()->first()) {{ $attachment->name }} @endif Or loop over all attachments @foreach($post->attachments as $attachment) {{ $attachment->name }} @endforeach ...
Javascript: Some Variables Defined, Some Undefined
javascript,html,random,undefined
You ve declared the variable twice in different scopes. function StartSpin(){ ... var cone; var ctwo; var cthree; ... if(one == 1){var cone = "Ace";} // here remove var, otherwise JS will scope it to the IF. if(two == 1){var ctwo = "Ace";} if(three == 1){var cthree = "Ace";} ......
prepareForSegue (ViewController)
ios,swift,undefined,viewcontroller
Rather than prepareForSegue you can directly call viewController from storyboard and pass the data declare variable in the file you want to pass the data and #import the header file in which you want to pass the data. #import "file.h" file *data = [[file alloc]init]; data.index = add_index; then navigate...
Undefined expression with a definite answer?
You are correct; the Standard does not impose any requirements at all on what this code might do. If this was a multiple-choice question that required you to choose a specific defined answer, then — whoever wrote the question doesn't understand C as well as you do. Keep that in...
undefined method `each' for nil:NilClass when calling from another controller
methods,controller,undefined,each
there is no @post variable in groups_controller's 'show' action. may be you need something in show action like: @posts = Post.where(group_id: @group.id) And also when you render a partial from another folder, you have to pass the value of the instance variable (correct me if I am wrong). e.g <%=...
undefined local variable or method `config' for main:Object (NameError)
ruby-on-rails,ruby,devise,undefined
Found the issue: I had a line in my config that said config.force_ssl = true. Commented it out and it worked! Considered deleting my question, but thought that maybe someone else might run into this sometime. –
AngularJS: TypeError: undefined is not a function with chained selects
javascript,angularjs,events,select,undefined
found the solution guys. In my service, I had this: function CPSIAService($q, Restangular) { var deferred = $q.defer(); var CPSIAService = {}; CPSIAService.getProductsByCategory = function(params) { //original call // var response = Restangular.one('compliance/products/by/category',params); var response = Restangular.one('products.json'); //params from category would go here response.getList().then(function(data) { deferred.resolve(data); }); return deferred.promise; };...
Why can't I set object property to empty string in JavaScript?
javascript,undefined,empty-string
Your check for the property [p] will return false even in the cases you care about (empty string or false). Instead of if (container[p]), you should use if (container.hasOwnProperty(p)).
Why does my .data function work in pieChart but not in lineChart in dc.js?
Sorry, but you aren't going to be able to use .data() with bar or line charts with a reasonable amount of effort, because dc.js uses .data() internally and in this case you would have to call d3.stack yourself in order to create the data it is expecting. Instead, I suggest...
Printing a subtotal when a value is defined inside an if-elif-else statement? Name error issue [Python 2.7]
python,if-statement,undefined,nameerror
Well, your variable seats_total will be defined only for user_seating == 'economy' or user_seating == 'business'. For the third case, no such variable is defined. To define "seats_total outside of the if-elif-else statements" just set it to zero for example, or some default value.
Assembler debug of undefined expression
These three lines contain your answer: lea 0x1(%rax),%edx mov %edx,-0x4(%rbp) mov %eax,-0x4(%rbp) The increment operation isn't skipped. lea is the increment, taking the value from %rax and storing the incremented value in %edx. %edx is stored but then overwritten by the next line which uses the original value from %eax....
Why is my AngularFire push( ) not working?
angularjs,undefined,firebase,angularfire,controllers
Checkout your $scope.firstname model, that's where the issue is. make sure it's not a null value and properly defined.
Undefined variable, how to retrieve data from database in codeigniter?
codeigniter,variables,model-view-controller,undefined
Q: use Correct naming structure for CI? Which version do u use? Filename models/user_model.php Examples (for demo purpose) <?php class User_model extends CI_Model { // example one function get_all_pages() { $query = $this->db->query("SELECT Title FROM news")->result_array(); return ( is_array($query) && sizeof($query) > 0 ? $query : FALSE); } // example...
Error on second level object for nodejs response
javascript,node.js,object,undefined,response
You could take advantage of the && operator to do: a.someotherKey = { id: r.otherKey && r.otherKey.id || "" } && will return the second value if both are true, and false if one (or both) is false....
Undefined function for input arguments of type 'double' [closed]
I just took a look at the zip file. There are MEX wrappers in the maxflow directory that are written where MATLAB calls these functions which are written in C, but are runnable in MATLAB. These MEX wrappers need to be compiled using a compiler that is compatible for your...
Can't access items in javascript array [duplicate]
javascript,arrays,variables,undefined
First off, it's important to note that this is not an array, it's an object definition. An array can be defined as: [ "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAJYCAYAAACadoJwAAAgAElEQ…ACCCCAAAIIIICAvwIEIP760zoCCCCAAAIIIIAAAoES+P992sgQ2E6rdwAAAABJRU5ErkJggg==", "splash.png", 1024, 768, 1969, 1477, 800, 600, -585, -406 ] Which is doesn't the keys, like "data": (which can also be expressed as data:) It seems...
Checking error parameters in node
node.js,error-handling,null,undefined,code-readability
Use if(err). It is designed to be used in this fashion. Node-style callbacks are supposed to set the error to a non-falsy value only in case of actual error. You won't find any sane example of setting err to '' or 0 to signify error. Just like YlinaGreed has noted,...
Fatal error: Call to undefined function
javascript,php,function,undefined
You are mixing php with javascript here. Php will never be able to execute your mod10 function because it's written in JS. Plain answer: Recode your mod10 function in php.
Object properties are undefined after localStorage
javascript,local-storage,undefined,javascript-objects
My assumption is that you are trying to stringify a complex object, probably something like a DOM object or another built-in API's object. What happens is that JSON.stringify will strip the object out of all methods, and this includes internal setters and getters, and you remain with an empty (or...
undefined variable error in jquery
jquery,variables,global-variables,undefined
Simply use il++. $(document).ready(function(){ var il = 1 ; $("#btn1").click(function(){ $("p").append(" <b>Appended text</b>."); }); $("#btn2").click(function(){ $("ol").append("<li>Appended item " + il + " </li>"); il++; }); }); ...
When I pass data to a view I get an “undefined variable” error in Codeigniter
php,codeigniter,variables,view,undefined
Ok, it is working perfectly. Take a look at my screen shots and try emulate. My Controller My View (Code) And finally the result on the screen. If it is still not working, make sure you have you are running Codeigniter in htdocs on a Lampp or Xampp stack....
requirejs returns undefined without dependency
requirejs,undefined,marionette,circular-dependency
You should review your shim configuration to remove all those shims that you've put in for modules that actually use define. For instance, jQuery uses define and thus does not need a shim. The same is true of Marionette. I've just installed it with Bower and found this towards the...
array requested by name in variable doesn't works
php,arrays,variables,undefined
$propertyName is a string not an array, so to get the array using a string as it's name you need to disambiguate using curly braces { }: var_dump( $test->{$propertyName}["A"] ); ...
undefined on this string to array [duplicate]
It's because the code is asynchronous and when you call console.log outside of the http request not yet finshed so the array[0] is undefined.
Why is fgoalattain built-in function not working in MATLAB?
It is not a built-in function. You need to install the Optimization toolbox.
Return pointer undefined even though it should be
Your problem is that passing arguments to functions in C++ defaults to being by value. A consequence of this is that changes to the value of an argument are local to the function. So, given your edited code Menu* Content::CreateItem() { Menu* menuPointer = new Menu; //initialize values return menuPointer;...
PHP returns JSON fine but JavaScript shows it is undefined in onload function
javascript,php,json,xmlhttprequest,undefined
Yeeeez I'm an idiot, I wrote this.reponseText instead of this.responseText. Sorry for troubles...
Jquery textarea .val() returning undefined unexpectedly
javascript,jquery,html,undefined
The problem is that you're doing a runat="server" which makes the server change the ID. An example of this new ID could be something like MainContent_txtText, you can determine what the server is changing the ID to by right-clicking the textbox and clicking Inspect to inspect the element. Chrome has...
NoMethodError in Index: How to Define the Nested Attributes?
ruby-on-rails,ruby,undefined,nested-attributes,cocoon
Answer to Your Specific Problem: In your index action you have: @quantified = Result.all.order("date_value") Calling .all before .order is the cause of your error. In Rails ActiveRecord, the .all command immediately triggers a fetch of items from the database. Since database IO fetching commands like .where and .order exist to...
Rails Undefined Method in an unknown way
ruby-on-rails,ruby,methods,model,undefined
If the line @nextShiftTime=format_datetime(@user.admin_areas.next_shift_time_from_now) returns an undefined method 'next_shift_time_from_now' for nil:NilClass error, then the only possible explanation is that @user.admin_areas returns nil. Look into your database: You have at least one Admin::Account without a matching Admin::Area....
“Undefined Variable” while trying to read rows
php,mysql,variables,mysqli,undefined
Here is how to do it with pdo, mysqli, and mysql MYSQLI $con=mysqli_connect("localhost","username","password","dbname"); $sql="SELECT sub_category FROM sub_category WHERE main_category_id = 2"; $result=mysqli_query($con,$sql); $new_array = array(); while ($row = mysqli_fetch_array($result,MYSQLI_ASSOC)){ $new_array[] = $row; } print_r($new_array); mysqli_free_result($result); mysqli_close($con); MYSQL mysql_connect("localhost","username","password"); mysql_select_db("dbname"); $result = mysql_query("SELECT sub_category FROM sub_category...
JavaFX - Extends Stage, but inherited method is undefined
The alwaysOnTop property was introduced in JavaFX 8 update 20. So you are probably using an earlier version. Update to the latest JavaFX version and it should recognize the method.
skipe $_POST in php [duplicate]
Use simple if (isset($_POST['key'])): $player = isset($_POST['player']) ? $_POST['player'] : ''; $age = isset($_POST['age']) ? $_POST['age'] : ''; $data = isset($_POST['data']) ? $_POST['data'] : ''; Or better, but every value to some 'refix': <input name="Data['player']"/> and in php just do: if (isset($_POST['Data'])) { $player = $_POST['Data']['player']; /* ... */ }...
Undefined index
For now, without submiting, the key 'rating' does not exists in $_POST array, hence the notice. Just change the order if you want this action after submit: if (isset($_POST['submit'])) { $rating = mysql_real_escape_string($_POST['rating']); $rate = "INSERT INTO cms_rating (rating, p_id) VALUE ('$rating', '$id')"; $con->query($rate); } else { ?> <form action=""...
Extending HTMLElement in TypeScript
typescript,undefined,extending
That's because the lambda syntax you are using keeps the this value to the external this, by using a variable called _this, as you can see in the playground: http://past.is/wxBJm Since the lambda is not in a class, it is bound to the "this" that is global, here the window...
How can this be undefined in the constructor of an Angular config class?
angularjs,constructor,typescript,undefined,this
Config functions aren't classes and shouldn't be written as such. Angular is invoking them without new and thus this will be undefined (or, God help you, window in non-strict mode). It doesn't really make sense to use a class here as there's no instance to be kept around. If you...
“ReferenceError: handler is not defined” in Node.js
node.js,undefined,handler,referenceerror
You say that's the first line of your code. The problem is that you do not define the handler variable. It should be a function that responds to a request event. Since it is optional, you can (if you wish) leave it out entirely and add handlers for events later...
jquery $(this).attr('href') returns undefined
javascript,jquery,undefined,href,attr
When you call showForm(e), the context(this) is not the anchor object inside showForm it is the window object. So you can just pass the function reference as the click handler $qqPopupCTA.on('click', showForm); $qqPopupCTA = $('.qqPopupCTA'); function showForm(e) { e.preventDefault(); var targetPageUrl = $(this).attr('href'); alert(targetPageUrl) // do stuff } $qqPopupCTA.on('click', showForm);...
Getting Undefined index on PHP foreach each
You have to change this: (Because NULL and empty string is not the same) $function = (isset($function) ? $function : null); to this: $function = (isset($function) ? $function : ""); //^^ See here Also you have to change your if statement to this, so you check if the key exists...
php array returns undefined but print_r shows otherwise [duplicate]
The array you're looping looks like this: Array ( [0] => Array ( [mstatus] => 1 [mhearingnum] => first [mminutes] => adakjaflafjlarjkelfkalfkd;la ) [1] => Array ( [mhearingnum] => second [mminutes] => ) [2] => Array ( [mhearingnum] => third [mminutes] => ) ) Only the sub array at the...
JQuery + TinyMCE = TypeError: validator is undefined
jquery,validation,tinymce,undefined
You can load this script on all pages but you need a way to detect whether TinyMCE is active. You can do it by calling the following function and if true, execute tinyMCE.triggerSave(); function isTinyMCEActive() { is_tinyMCE_active = false; if (typeof(tinyMCE) != "undefined") { if (tinyMCE.activeEditor == null || tinyMCE.activeEditor.isHidden()...
I need help in batch with the “If not defined (item) goto (item)” code
batch-file,if-statement,undefined
IF NOT DEFINED only checks for the definition of a variable. In your case it will always be true because someone it entering a value. To accomplish what you want, you need to place this line at the bottom of your script: GOTO commandbach This will essentially create an endless...
JS Function Gives Me Undefined in Console but I'm Expecting a Number
javascript,arrays,object,undefined
spc_indx[i] = spaces; should be spc_indx[spaces] = i; ...
Undefined Method für salt_masterkey for Array[]
ruby-on-rails,methods,undefined
find_by_sql returning an array and salt_masterkey method belongs to specific record. You should try @user.first.salt_masterkey
Undefined variable $count [duplicate]
You are reading the variable $count in the expression $count + 1. On the first iteration of the while loop, the variable isn't assigned yet, and that causes your error. You cannot read/use a variable that is not defined yet. The solution is simple: Initialize $count to 0 before the...
jQuery File Upload and Validation undefined function
.live() has been deprecated since jQuery v.1.7, so you need to use .on() instead
PHP include / undefined variable
php,variables,undefined,php-include
Strictly speaking, all you need is to change <?php include ("$v"); ?> to <?php include $_GET['v']; ?> A couple things to note here: URL parameters become items in the $_GET array, not independent variables. include doesn't need parenthesis. It's not wrong to include them, but it's not necessary. See the...
Javascript: undefined & for loop issue
javascript,arrays,for-loop,undefined
The issue is that you're setting al to positions.length and then looping to al + 1. Remember, javascript arrays are 0 based. Take for example an array of size 4, like: var myArray = [1,2,3,4]; You are setting al = myArray.length, which is 4 and then looping to the first...
addClass(undefined) vs. addClass(null)
javascript,jquery,null,undefined,chain
Use $.toggleClass() instead: $(".element").doSomething().toggleClass("special-class",condition).doSomethingElse(); As ruakh mentioned it, there is a difference. If condition is falsy, it will actually remove the class if it was present before. With your logic, the class can only be added, not removed....
golang “undefined” function declared in another file?
Please read "How to Write Go Code". Don't use /src in your GOPATH. Packages are located in $GOPATH/src. For build or install you need to have your files in a package directory. For go run, you need to supply all files as argument. But, you should almost always use go...
Undefined variable $http request
javascript,angularjs,undefined,angular-http
You can put your POST $http call inside a function and call it in the .success of the GET. var itemNumber; $http.get(URLtoServer + 'serialNumber/' + $stateParams.serialNumber + '/?format=json').success(function(dataSerialNumber){ itemNumber = dataSerialNumber.id; console.log(itemNumber); item.number = itemNumber; doPostCallNow(); //Calling the POST }).error(function(){ //code }); function doPostCallNow(){ var postPromise = $http.post(URLtoServer + 'problem/',...
Call to undefined function ecrypt()
function,codeigniter,undefined,fatal-error
In your views: <?php $CI = & get_instance(); echo anchor("resetPasswordController/delete_news/".$CI->ecrypt($content1['id']), '<i class="fa fa-trash-o fa-fw"></i>Delete','id="actions"', array ('onClick' => "return confirm('Are you sure you want to delete?')"));?> Update solution: Base64 return a string that have = at the last, this may cause problem so you can replace it function ecrypt($str) { $result...
jQuery.getScript() fails to load function
jquery,function,undefined,getscript
readCookie is undefined because readCookie is not global; it is visible only within the document.ready function scope in mymy.js. Make the function global by removing the document.ready wrapper....
JavaScript equivalent of ?? operator in C# [duplicate]
Use logical OR var count = something || 0; ...
Javascript target attribute undefined
javascript,jquery,meteor,undefined
You can turn the event.target object into a jQuery object and then use selectors on it to get its parent using jQuery.parent(), like so: var $target = $(event.currentTarget); var $parent = $target.parent(); // gets you the `a` tag as a jQuery object var parentId = $parent.attr('id'); var parentTalkmate = $parent.attr('name')...
HTML/PHP weird error
This is a feature of how variable scoping works in PHP. Inside your groenteCheck() function, you need a line at the top like: function groenteCheck() { global $komkommer, $plu_komkommer ... // rest of function variables } More information on how scope works in PHP can be found in the manual....
Use parameter of a function as the key to get the value from an array [duplicate]
javascript,jquery,html,arrays,undefined
Your argument has to be evaluated as a key of your pages object. Try: function viewPage(page) { var html = pages[page]; alert(html); } When you use pages.page it looks for the key 'page'. Wheras when you do pages[page] it evaluates your page argument to whatever it equals, and looks for...
How to tell the difference between undeclared and undefined JavaScript object properties?
In both your examples, the properties have not been "formally declared". You have to assign something, even if what you do is undefined: function MyObject() { this.m = undefined; } var sampleMyObject = new MyObject(); console.log(sampleMyObject.m); // undefined console.log(sampleMyObject.hasOwnProperty('m')); // true console.log('m' in sampleMyObject); // true From MDN: Undeclared variables...
Variable Defining Issue Javascript
You have two function, DJ and BlankDisplay (nevermind the use of caps) that both take arguments of al and rl, but second function doesn't make use of al, or rl. Then in this code: <button id="DJ" onclick="DJ(al, rl) you pass in the variables al and rl into the function call...
Nashorn ability to pass undefined variables to a function
you can test function existing or not with window['myFunctionName'] !== 'undefined' or in case of a property this['myPropertyName'] !== 'undefined' ...
debugging an undefined variable, Magento PHP
php,magento,debugging,undefined
In both of those functions (addFilter, OrderbyAdd), the offending bit of code is here if ($deal instanceof Sm_Deal_Model_Deal){ $deal = $deal->getId(); } The only variables available in a function are The function parameters ($filterName,$filtervalue,$condition and $orderName,$ordervalue), respectively. Variables defined in the function Any global variables The variable $deal is none...
Unexplainable Uncaught TypeError: undefined is not a function
I think that's due to the fact that, in the function loadExamsyou have a statement var avg = avgArr[i].sAvg / avgArr[i].sCfu; which will shadow your function definition (since it's in a more inner scope). Rename to variable to something else (or the function). As a best practice, define your variables...
The method getAllCellInfo() is undefined for the type TelephonyManager [Android]
android,eclipse,undefined,telephonymanager,cellinfo
Check your project.properties file and look at the target you are building against. It should look something like this: target=Google Inc.:Google APIs:17 This is an old project I had on hand which was building for API 17 (with Google APIs.) You can also go into the Project properties and check...
The method createGUI() is undefined for type JFrame
java,swing,types,jframe,undefined
With this: JFrame CBallMaze = new JFrame("Title");, you're creating a JFrame variable and assigning it a JFrame object, and then expecting it to have CBallMaze behaviors, something that isn't going to happen. Instead, you will want to create a CBallMaze object and assign it to a CBallMaze variable. So change...
Best way to check undefined element in an array
"Best" is a fairly subjective term, so let's throw some objective criteria at it: Which is faster? In a way that you'll notice in the real world, neither. But if you really want to know, measure your specific code on the engines you want to support. Which is easier to...
JS prototyping Cannot set property 'moveRight' of undefined
javascript,class,properties,prototype,undefined
You're binding is wrong. // Set keyboard KeyboardJS.on('left', this.onKeyboardLeftDown, this.onKeyboardLeftUp); this.onKeyboardLeftDown and this.onKeyboardLeftUp are called without the correct context to fix this do something like: KeyboardJS.on('left', this.onKeyboardLeftDown.bind(Game), this.onKeyboardLeftUp.bind(Game)); I would not recommend using bind() - for browser compatibility, but you can use something like lodash's bind or an bind "emulator"...
Undefined index Notice [duplicate]
php,html,undefined,isset,notice
Let me outline the errors in your code. You have two form elements bearing the same name, "file"; that's a conflict. <input type="file" name="file" id="file"> ^^^^^^^^^^^ and <input type="submit" value="submit" name="file"> ^^^^^^^^^^^ Then your conditional statement if(isset($_POST["submit"])) is based on a submit button being named "submit"; it doesn't exist, so...
What is the correct syntax to load jQuery via CDN? [closed]
javascript,jquery,syntax,undefined
The Script element should not be a self closing tag. <script src="http://ajax.googleapis.com/ajax/libs/jquery/2.1.3/jquery.min.js"/> to <script src="http://ajax.googleapis.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script> ...
In JavaScript, is there any difference between typeof x == 'y' and typeof x === 'y'?
javascript,performance,comparison,undefined,typeof
It makes absolutely no useful difference either way in this case. The typeof operator returns a string indicating the type of the unevaluated operand. https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/typeof We know it is always going to be a string, and it will only be that of a few predefined values, so there is no...
Java - Random.nextInt compilation error;_; [closed]
You have to import this class: import java.util.Random; Check if you are importing the correct Random class....
undefined method for #<#:0x007f05d8fa9be8> in Rails
You don't have a route for userinfos. try adding in your config/routes.rb: resources :userinfos I hope this help....
“Undefined method PDO::execute()” despite using prepare
Create a variable to store your prepared statement then execute that. $connection = MYSQLDatabase::getInstance()->getConnection(); $statement = $connection->prepare("INSERT INTO users etc etc......."); $insertArray = $statement->execute(array( ":username" => $_POST["username"] )); ...