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Remove an item from a dictionary when its key is unknown
...ve from a
c = {key:a[key] for key in a.keys() - {'z', 'w'}}
Also check: https://www.safaribooksonline.com/library/view/python-cookbook-3rd/9781449357337/ch01.html
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Android draw a Horizontal line between views
...es {
compile 'com.android.support:support-v4:22.1.+'
}
Documentation https://developer.android.com/reference/android/support/v4/widget/Space.html
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Jquery live() vs delegate() [duplicate]
...t turns around and calls .live(), but passes the extra context parameter.
https://github.com/jquery/jquery/blob/master/src/event.js#L948-950
As such, I'd always use .delegate(). If you really need for it to process all events on the page, then just give it the body as the context.
$(document.body...
How to open in default browser in C#
...Process.Start(url);
}
catch
{
// hack because of this: https://github.com/dotnet/corefx/issues/10361
if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
{
url = url.Replace("&", "^&");
Process.Start(new ProcessStartInfo("cmd", ...
How to compare UIColors?
...
#import "UIColor-Expanded.h"
//https://github.com/thetaplab/uicolor-utilities
//RGB distance
CGFloat distance = sqrtf(powf((clr0.red - clr1.red), 2) + powf((clr0.green - clr1.green), 2) + powf((clr0.blue - clr1.blue), 2) );
if(distance<=minDistance){
....
How to delete a file via PHP?
...ed myself. Enjoy!
/**
* Unlink a file, which handles symlinks.
* @see https://github.com/luyadev/luya/blob/master/core/helpers/FileHelper.php
* @param string $filename The file path to the file to delete.
* @return boolean Whether the file has been removed or not.
*/
function unlinkFile ( $f...
Is it wrong to place the tag after the tag?
...t;<link rel="stylesheet" href="small.css"></noscript>
See: https://developers.google.com/speed/docs/insights/OptimizeCSSDelivery
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AngularJS - Trigger when radio button is selected
...cope) {
$scope.color = {
name: 'blue'
};
}]);
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.3.15/angular.min.js"></script>
<html>
<body ng-app="radioExample">
<form name="myForm" ng-controller="ExampleController">
<input type="radi...
How to evaluate http response codes from bash/shell script?
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Working great, thanks! However in my case (https) I needed to put --insecure as well.
– Tomasz Racia
Sep 12 '16 at 14:34
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Android Emulator: Installation error: INSTALL_FAILED_VERSION_DOWNGRADE
... <manifest android:versionCode to be higher in the AndroidManifest.
or https://stackoverflow.com/a/13772620/632951
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