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How to call a function from a string stored in a variable?

... A few years late, but this is the best manner now imho: $x = (new ReflectionFunction("foo"))->getClosure(); $x(); share | improve this answer | ...
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Execute JavaScript code stored as a string

... I tried this inside a try/catch block, and it works perfectly. I can now take any JavaScript code typed into a text block, pass it to my function, and execute it. The catch block can then insert error messages from the JavaScript engine into a DOM element and display any errors in the code. If...
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How to parse a string into a nullable int

... And now in the C# 6, it can be one line! Int32.TryParse(stringVal, out var tempVal) ? tempVal : (int?)null; – MerickOWA May 1 '14 at 14:23 ...
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How can I read large text files in Python, line by line, without loading it into memory?

... with two file handlers (one read, the other write) python was hanging and now it's fine! Thanks. – Xelt Apr 23 '19 at 13:37 ...
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Getting the exception value in Python

...ever see the actual exception but just a UnicodeDecodeError. If you don't know the exception's encoding (and most of the time you don't), you should either work on repr(e) or if you really need to, use another try-except block in your exception handling which catches UnicodeDecodeErrors and falls ba...
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Allowed characters in filename [closed]

... To be more precise about Mac OS X (now called MacOS) / in the Finder is interpreted to : in the Unix file system. This was done for backward compatibility when Apple moved from Classic Mac OS. It is legitimate to use a / in a file name in the Finder, looki...
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Eliminate extra separators below UITableView

...dded if (tableView.style != UITableViewStyleGrouped) { } around your code. Now all my non-grouped tables lose their extra cells, while my grouped tables are unaffected. – arlomedia Aug 31 '12 at 16:03 ...
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Python: Making a beep noise

...: winsound.Beep(2000, 100). I should probably go back to work now :D – Skurmedel Jun 30 '11 at 16:00 1 ...
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Swift to Objective-C header not created in Xcode 6

... Now it works. Project must have a Product Module Name that does not include spaces. Defines Module must be set to Yes in Build Settings, under Packaging. Finally works. Thanks to everyone for the help :-) ...
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Manipulate a url string by adding GET parameters

... This approach is good when you know that 'category' parameter is not already in the URL. If the parameter is in a URL already then PHP should take the value of the last occurrence of the parameter in the URL, so the solution of @andrewtweber still works. Ye...