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How do you validate a URL with a regular expression in Python?

...lparse({}) where the input is not even a string succeeds without a visible error – RubenLaguna Oct 10 '18 at 12:59 ...
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std::enable_if to conditionally compile a member function

... This doesn't compile on VS2012. error C4519: default template arguments are only allowed on a class template. – PythonNut Jun 7 '14 at 13:09 ...
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deny direct access to a folder and file by htaccess

...RewriteRule ^(includes/|submit\.php) - [F,L,NC] This will show forbidden error to use if URI contains either /includes/ or /submit.php share | improve this answer | follow ...
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What is the preferred syntax for defining enums in JavaScript?

...ms: let day = DaysEnum.tuesday day = 298832342 // goes through without any errors One way to ensure a stronger degree of type safety (with enums or otherwise) is to use a tool like TypeScript or Flow. Quotes aren't needed but I kept them for consistency. ...
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Error handling with node.js streams

What's the correct way to handle errors with streams? I already know there's an 'error' event you can listen on, but I want to know some more details about arbitrarily complicated situations. ...
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Node: log in a file instead of the console

...s = fs.createWriteStream(dir + '/node.access.log', { flags: 'a' }) , error = fs.createWriteStream(dir + '/node.error.log', { flags: 'a' }); // redirect stdout / stderr proc.stdout.pipe(access); proc.stderr.pipe(error); ...
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Am I immoral for using a variable name that differs from its type only by case?

.... – David Thornley Apr 29 '09 at 21:05 1 @David: Right again. With my first grandkid on the way, ...
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Test if a command outputs an empty string

...ent that is being checked, otherwise empty results will result in a syntax error as there is no second argument (to check) given! Note: that ls -la always returns . and .. so using that will not work, see ls manual pages. Furthermore, while this might seem convenient and easy, I suppose it will bre...
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Do sealed classes really offer performance Benefits?

I have come across a lot of optimization tips which say that you should mark your classes as sealed to get extra performance benefits. ...
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What is the most efficient string concatenation method in python?

Is there any efficient mass string concatenation method in Python (like StringBuilder in C# or StringBuffer in Java)? I found following methods here : ...