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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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How do I represent a hextile/hex grid in memory?

...t represent hexes. Each of these hex objects also has 6 "pointers" (or an index to another array) pointing to another array of "sides". Same thing for "vertices". Of course the vertices would have 3 pointers to the adjoining hexes, and the sides would have 2. So, a hex may be something like: X, ...
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Reusing output from last command in Bash

...ng backticks: `your_cmd` According to the Gnu Bash manual they are functionally identical. Of course this is also subject to the warning raised by @memecs – user2065875 Apr 20 '15 at 21:33 ...
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Passing parameters to addTarget:action:forControlEvents

...actly you try to do, but considering you want to assign a specific details index to each button you can do the following: set a tag property to each button equal to required index in switchToNewsDetails: method you can obtain that index and open appropriate deatails: - (void)switchToNewsDetails:(...
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Can HTML be embedded inside PHP “if” statement?

I would like to embed HTML inside a PHP if statement, if it's even possible, because I'm thinking the HTML would appear before the PHP if statement is executed. ...
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sphinx-build fail - autodoc can't import/find module

...:maxdepth: 2 stuff Indices and tables ================== * :ref:`genindex` * :ref:`modindex` * :ref:`search` Above is my index.rst file. stuff.rst resides in the same directory as it. share | ...
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Is an index needed for a primary key in SQLite?

...an integer column is marked as a primary key in an SQLite table, should an index be explicitly created for it as well? SQLite does not appear to automatically create an index for a primary key column, but perhaps it indexes it anyway, given its purpose? (I will be searching on that column all the ti...
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How do I shuffle an array in Swift?

...rom: c, to: 1, by: -1)) { // Change `Int` in the next line to `IndexDistance` in < Swift 4.1 let d: Int = numericCast(arc4random_uniform(numericCast(unshuffledCount))) let i = index(firstUnshuffled, offsetBy: d) swapAt(firstUnshuffled, i) } ...
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PHP YAML Parsers [closed]

Does anyone know of a good YAML Parser for PHP? If so, what are the pros and cons of this library? 8 Answers ...
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How do I modify the URL without reloading the page?

...mage gallery (where you want the back button to return back to the gallery index page instead of moving back through each and every image you viewed) whilst giving each image its own unique url. share | ...