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Remove non-numeric characters (except periods and commas) from a string

... You could use preg_replace to swap out all non-numeric characters and the comma and period/full stop as follows: $testString = '12.322,11T'; echo preg_replace('/[^0-9,.]+/', '', $testString); The pattern can also be expressed as /[^\d,.]+/ ...
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Why doesn't Haskell's Prelude.read return a Maybe?

...dit doesn't sound ungrateful! :) Just want to make it clear I'm not asking out of laziness... – Bilal Barakat Nov 9 '11 at 15:15 6 ...
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“static const” vs “#define” vs “enum”

...tic const int var = 5; #define var 5 enum { var = 5 }; Ignoring issues about the choice of name, then: If you need to pass a pointer around, you must use (1). Since (2) is apparently an option, you don't need to pass pointers around. Both (1) and (3) have a symbol in the debugger's symbol table ...
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printf format specifiers for uint32_t and size_t

...mean it might not be long on another. Same for size_t. It's actually going out of its way and doing more work to detect this portability bug since the easy, natural check would be to just honor the typedef like the compiler does. – R.. GitHub STOP HELPING ICE J...
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How to make a HTML Page in A4 paper size page(s)?

... I've used HTML to generate reports which print-out correctly at real sizes on real paper. If you carefully use mm as your units in the CSS file you should be OK, at least for single pages. People can screw you up by changing the print zoom in their browser, though. I...
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CSS3 transform not working

... This is merely an educated guess without seeing the rest of your HTML/CSS: Have you applied display: block or display: inline-block to li a? If not, try it. Otherwise, try applying the CSS3 transform rules to li instead. ...
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Daylight saving time and time zone best practices [closed]

...me offset for this particular time from UTC (this offset may change throughout the year), such that the timestamp can later be interpreted unambiguously. In some cases, you may need to store both the UTC time and the equivalent local time. Often this is done with two separate fields, but some plat...
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Why exactly is eval evil?

...till looks like it's the right thing to do, then do it. Document the Hell out of it. Test the Hell out of it. Double-check correctness and security over and over and over again. But do it. share | ...
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Can I get chrome-devtools to actually search all JS sources?

... This is out of date – cdeutsch Mar 14 '19 at 14:22 8 ...
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How do you add an in-app purchase to an iOS application?

... Swift Users Swift users can check out My Swift Answer for this question.Or, check out Yedidya Reiss's Answer, which translates this Objective-C code to Swift. Objective-C Users The rest of this answer is written in Objective-C App Store Connect Go to appstor...