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Converting timestamp to time ago in PHP e.g 1 day ago, 2 days ago…

... Function : function time_elapsed_string($datetime, $full = false) { $now = new DateTime; $ago = new DateTime($datetime); $diff = $now->diff($ago); $diff->w = floor($diff->d / 7); $diff->d -= $diff->w * 7; $string = array( 'y' => 'year', '...
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JavaScript closures vs. anonymous functions

...ree variable. That free variable is called an upvalue of the closure F. Now let's use this to figure out who uses closures and who doesn't (for the sake of explanation I have named the functions): Case 1: Your Friend's Program for (var i = 0; i < 10; i++) { (function f() { var i2...
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Android: Difference between Parcelable and Serializable?

... Now the implementation of Parcelable is as fast as Serializable, just press ALT + INSERT on any class implementing Parcelable in Android Studio and the IDE will do it. – Ali Nem Nov 25 '...
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Compare two List objects for equality, ignoring order [duplicate]

...ist1.sort(); list2.sort(); return Enumerable.SequenceEquals(list1, list2); Now I'm having problems in comparing elements. Can you guys give me some pointers? In Java I only have to implement equals or hash, here it doesnt seem to work. Thanks – Bruno Teixeira S...
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Clang vs GCC - which produces faster binaries? [closed]

...rtain) comprises at present around 11K LOC in about 90 files. It is coded, now, in C++ that is rich in polymorphism and templates and but is still mired in many patches by its not-so-distant past in hacked-together C. Move semantics are not expressly exploited. It is single-threaded. I have devoted ...
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Is there a string math evaluator in .NET?

... this is marked as the answer, it was 10 years ago and COM is kind of dead now. I prefer the DataTable.Compute answer below. – dwilliss Sep 9 '19 at 19:40 add a comment ...
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My images are blurry! Why isn't WPF's SnapsToDevicePixels working?

... You may want to consider trying a new property available now in WPF4. Leave the RenderOptions.BitmapScalingMode to HighQuality or just don't declare it. NearestNeighbor worked for me except it led to jaggy bitmaps when zooming in on the application. It also didn't seem to fix any ...
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What is a race condition?

...read scheduling algorithm can swap between threads at any time, you don't know the order in which the threads will attempt to access the shared data. Therefore, the result of the change in data is dependent on the thread scheduling algorithm, i.e. both threads are "racing" to access/change the data....
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Mathematical functions in Swift

... @noilly: kinda late now, you have to set the file type to iOS in the Playground's file properties (Cmd-Opt-0), or import UIKit instead, per above comment – Chris Conover Sep 29 '14 at 21:35 ...
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How do I delete specific lines in Notepad++?

... Thanks, I did that and it works. But now I'm trying to replace \n\n with just one \n but doesn't seem to work, any ideas? – Rismo May 27 '09 at 21:59 ...