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Android: how do I check if activity is running?
...per.onStop();
active = false;
}
}
The only gotcha is that if you use it in two activities that link to each other then onStop on the first is sometimes called after onStart in second. So both might be true briefly.
Depending on what you are trying to do (update the current activity...
How do I clear the terminal screen in Haskell?
...n find it in Hackage and install using cabal install ansi-terminal. It specifically has functions for clearing the screen, displaying colors, moving the cursor, etc. Using it to clear the screen is easy: (this is with GHCI) import System.Console.ANSIclearScreen
...
How do I concatenate two text files in PowerShell?
...nedFile.txt
You can concatenate more than two files with this style, too.
If the source files are named similarly, you can use wildcards:
Get-Content inputFile*.txt | Set-Content joinedFile.txt
Note 1: PowerShell 5 and older versions allowed this to be done more concisely using the aliases cat and...
Set android shape color programmatically
...e background = imageView.getBackground();
Check against usual suspects:
if (background instanceof ShapeDrawable) {
// cast to 'ShapeDrawable'
ShapeDrawable shapeDrawable = (ShapeDrawable) background;
shapeDrawable.getPaint().setColor(ContextCompat.getColor(mContext,R.color.colorToSet)...
Find if current time falls in a time range
... //10 o'clock
TimeSpan end = new TimeSpan(12, 0, 0); //12 o'clock
TimeSpan now = DateTime.Now.TimeOfDay;
if ((now > start) && (now < end))
{
//match found
}
For absolute times use:
DateTime start = new DateTime(2009, 12, 9, 10, 0, 0)); //10 o'clock
DateTime end = new DateTime(20...
Checking if object is empty, works with ng-show but not from controller?
...way, ng-show should keep working, and in your controller you can just do:
if ($scope.items) {
// items have value
} else {
// items is still null
}
And in your $http callbacks, you do the following:
$http.get(..., function(data) {
$scope.items = {
data: data,
// other...
UIButton: set image for selected-highlighted state
... @stephen: Setting the "Background"(image) property of UIButton for different conditions of "StateConfig"(Default/Highlighted/Selected/Disabled) Property works for me.
– Ajeet
Dec 10 '12 at 16:58
...
Regex to match only letters
...e letters only (^ and $ mark the begin and end of a string respectively).
If you want to match other letters than A–Z, you can either add them to the character set: [a-zA-ZäöüßÄÖÜ]. Or you use predefined character classes like the Unicode character property class \p{L} that describes the U...
jquery select change event get selected option
...ture stated there is obviously jQuery( selector [, context ] ). @Bellash: if it's "almost the same", what is the difference? Or what is faster? I prefer .find() since this is more OO IMO...
– Adrian Föder
May 7 '14 at 6:54
...
WebAPI Delete not working - 405 Method Not Allowed
...
I found the solution eventually!
If you come across the same issue, add the following to your web.config
<system.webServer>
<validation validateIntegratedModeConfiguration="false"/>
<modules runAllManagedModulesForAllRequests="true"&g...