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How to calculate the CPU usage of a process by PID in Linux from C?

...oc/stat. Then sleep for a second or so, and read them all again. You can now calculate the CPU usage of the process over the sampling time, with: user_util = 100 * (utime_after - utime_before) / (time_total_after - time_total_before); sys_util = 100 * (stime_after - stime_before) / (time_total_af...
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check android application is in foreground or not? [duplicate]

...regroud = new ForegroundCheckTask().execute(context).get(); Also let me know if I misunderstand.. UPDATE: Look at this SO question Determining the current foreground application from a background task or service fore more information.. Thanks.. ...
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android:drawableLeft margin and/or padding

... then drawablePadding doesn't do anything. I'm struggling with this right now as well. My buttons are quite wide, and the icon is hanging on the left edge of the button and the text is centered in the middle. My only way to get around this for now has been to bake in a margin on the drawable by a...
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Optional query string parameters in ASP.NET Web API

... This issue has been fixed in the regular release of MVC4. Now you can do: public string GetFindBooks(string author="", string title="", string isbn="", string somethingelse="", DateTime? date= null) { // ... } and everything will work out of the box. ...
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App restarts rather than resumes

...navigation you create a new Task and finish the old one, the launcher will now no longer resume your app. If that supposition is true, I'm pretty sure that should be a bug, given that each Task is in the same process and is just as valid a resume candidate as the first one created? My problem then...
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Are JavaScript strings immutable? Do I need a “string builder” in JavaScript?

...135 | 1135 | 1200 | 4357 | 1137 | 1188 | 4294 | Findings Nowadays, all evergreen browsers handle string concatenation well. Array.join only helps IE 11 Overall, Opera is fastest, 4 times as fast as Array.join Firefox is second and Array.join is only slightly slower in FF but consi...
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Script not served by static file handler on IIS7.5

... to change to the Classic App Pool, then set that pool for framework 4.0. Now I get the following error: 23 Answers ...
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Cache an HTTP 'Get' service response in AngularJS?

... I think there's an even easier way now. This enables basic caching for all $http requests (which $resource inherits): var app = angular.module('myApp',[]) .config(['$httpProvider', function ($httpProvider) { // enable http caching ...
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class method generates “TypeError: … got multiple values for keyword argument …”

... staticmethod stops the method receiving self as a first argument. So now, if you call myfoo.foodo(thing="something"), thing="something" will be assigned to the first argument, rather than the implicit self argument. – danio Nov 11 '16 at 16:10 ...
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How to fully delete a git repository created with init?

...to the Icon Overlays option. Change the Status Cache from Default to None Now you can delete the directory (either with Windows Explorer or rmdir /S /Q) Set back the Status Cache from None to Default and you should be fine again... ...