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Get file size, image width and height before upload
...
JavaScript:
$.validator.addMethod('imagedim', function(value, element, param) {
var _URL = window.URL;
var img;
if ((element = this.files[0])) {
img = new Image();
img.onload = function () {
console.log("Width:" + this.width + " Height...
When is SQLiteOpenHelper onCreate() / onUpgrade() run?
...sion)
So when the database helper constructor is called with a name (2nd param), platform checks if the database exists or not and if the database exists, it gets the version information from the database file header and triggers the right call back
As already explained in the older answer, if th...
Most efficient method to groupby on an array of objects
... * and returns a Map of the array grouped by the grouping function.
*
* @param list An array of type V.
* @param keyGetter A Function that takes the the Array type V as an input, and returns a value of type K.
* K is generally intended to be a property key of V.
*
* @returns M...
Equivalent to 'app.config' for a library (DLL)
...ecially the appSettings section, in a class library. If your library needs parameters, they should probably be passed as method arguments in constructors, factory methods, etc. by whoever is calling your library. This prevents calling applications from accidentally reusing configuration entries that...
angularjs directive call function specified in attribute and pass an argument to it
...o's example change:
In template
<div my-method="theMethodToBeCalled(myParam)"></div>
In directive link function
$(element).click(function( e, rowid ) {
scope.method({myParam: id});
});
This does have one disadvantage compared to marko's solution - on first load theMethodToBeCall...
targetContentOffsetForProposedContentOffset:withScrollingVelocity without subclassing UICollectionVi
...
@TomSawyer Params are 'let' by default. Try to declare function as this in Swift (using var before param): override func targetContentOffsetForProposedContentOffset(var proposedContentOffset: CGPoint) -> CGPoint
...
Does PowerShell support constants?
...s example.
.LINK
Set-Variable
About_Functions_Advanced_Parameters
#>
[CmdletBinding()]
param(
[Parameter(Mandatory=$true, Position=0)]
[string][ValidateNotNullOrEmpty()]$Name,
[Parameter(Mandatory=$true, Position=1)]
[char][ValidateSet("=")]$Link,
[...
How to create an array containing 1…N
...sArg, argsArray) also accepts a duck-typed array-like object as its second parameter. If we invoke Array.apply(null, { length: N }), then it will execute
function Array() {
var a = [];
for (var i = 0; i < /* arguments.length = */ N; i++) {
a.push(/* arguments[i] = */ undefined);...
How to make ThreadPoolExecutor's submit() method block if it is saturated?
...ly blocking
* the delegating thread until space is available.
* @param r the runnable task requested to be executed
* @param e the executor attempting to execute this task
*/
public void rejectedExecution(Runnable r, ThreadPoolExecutor e) {
try {
e.getQueu...
Is it possible to make an ASP.NET MVC route based on a subdomain?
... SubdomainRoute allows the subdomain optionally to be specified as a query parameter, making sub.example.com/foo/bar and example.com/foo/bar?subdomain=sub equivalent. This allows you to test before the DNS subdomains are configured. The query parameter (when in use) is propagated through new links g...