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Regular expression for letters, numbers and - _

... To actually cover your pattern, i.e, valid file names according to your rules, I think that you need a little more. Note this doesn't match legal file names from a system perspective. That would be system dependent and more libera...
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How to include external Python code to use in other files?

...ods in a file, is there a way to include those files in another file, but call them without any prefix (i.e. file prefix)? ...
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How does _gaq.push(['_trackPageLoadTime']) work?

...precated and its functionality has been set as a default setting. (Functionally speaking, it has gone from being an opt-in feature to being an opt-out feature.) _setSiteSpeedSampleRate is the new function for setting the sample rate on this feature; its default value is 1 (as in 1%). To opt out of ...
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Cannot issue data manipulation statements with executeQuery()

In MySQL I have two tables, tableA and tableB . I am trying to execute two queries: 10 Answers ...
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Best way to check if a URL is valid

...mal text. The function or solution, that I'm looking for, should recognize all links formats including the ones with GET parameters. ...
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GET URL parameter in PHP

...perglobal: a built-in variable that's populated by PHP and is available in all scopes (you can use it from inside a function without the global keyword). Since the variable might not exist, you could (and should) ensure your code does not trigger notices with: <?php if (isset($_GET['link'])) { ...
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List of standard lengths for database fields

I'm designing a database table and once again asking myself the same stupid question: How long should the firstname field be? ...
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Expansion of variables inside single quotes in a command in Bash

...positional arguments. The following invocation is better -- it's not exploitable: script='echo "arg 1 is: $1"' /bin/sh -c "$script" -- "$myvar" Note the use of single ticks in the assignment to script, which means that it's taken literally, without variable expansion or any other form of interpre...
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Does Python have a string 'contains' substring method?

...methods to make in available to your custom type. – BallpointBen Aug 17 '18 at 7:02 31 Just make ...
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Best practices with STDIN in Ruby?

...ARGF is your friend when it comes to input; it is a virtual file that gets all input from named files or all from STDIN. ARGF.each_with_index do |line, idx| print ARGF.filename, ":", idx, ";", line end # print all the lines in every file passed via command line that contains login ARGF.each do...