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PHP: How to use array_filter() to filter array keys?
The callback function in array_filter() only passes in the array's values, not the keys.
14 Answers
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Python idiom to return first item or None
I'm sure there's a simpler way of doing this that's just not occurring to me.
23 Answers
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How can I write data in YAML format in a file?
I need to write the below data to yaml file using Python:
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Fade/dissolve when changing UIImageView's image
...reating two UIImageViews , it seems logical to simply change the image of one view. If I do that, is there anyway of having a fade/cross dissolve between the two images rather than an instant switch?
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Bootstrap 3 Slide in Menu / Navbar on Mobile [closed]
... a browser-based mobile app and I've decided to use Bootstrap 3 as the css framework for the design. Bootstrap 3 comes with a great "responsive" feature in the navigation bar where it collapses automatically if it detects a specific "break point" regarding the resolution of the browser. It works in ...
Signing a Windows EXE file
I have an EXE file that I should like to sign so that Windows will not warn the end user about an application from an "unknown publisher". I am not a Windows developer. The application in question is a screensaver generated from an application that generates screensaver applications. As such I hav...
Unix tail equivalent command in Windows Powershell
I have to look at the last few lines of a large file (typical size is 500MB-2GB). I am looking for a equivalent of Unix command tail for Windows Powershell. A few alternatives available on are,
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Are there any worse sorting algorithms than Bogosort (a.k.a Monkey Sort)? [closed]
...y co-workers took me back in time to my University days with a discussion of sorting algorithms this morning. We reminisced about our favorites like StupidSort , and one of us was sure we had seen a sort algorithm that was O(n!) . That got me started looking around for the "worst" sorting algori...
Fastest way to check if a value exists in a list
What is the fastest way to know if a value exists in a list (a list with millions of values in it) and what its index is?
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How do I “un-revert” a reverted Git commit?
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If you haven't pushed that change yet, git reset --hard HEAD^
Otherwise, reverting the revert is perfectly fine.
Another way is to git checkout HEAD^^ -- . and then git add -A && git commit.
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