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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
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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
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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?
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– David Thornley
Apr 29 '09 at 21:05
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@David: Right again. With my first grandkid on the way, ...
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...
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 :
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