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What is a regular expression which will match a valid domain name without a subdomain?
...--c6h.com/ pass the validation.
Note, to use this regex, you will need to convert the domain to lower case, and also use an IDN library to ensure you encode domain names to ACE (also known as "ASCII Compatible Encoding"). One good library is GNU-Libidn.
idn(1) is the command line interface to the ...
List of encodings that Node.js supports
...ame);
var iconv = new Iconv(encoding, 'UTF-8');
var buffer = iconv.convert(content);
return buffer.toString('utf8');
}
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List of tables, db schema, dump etc using the Python sqlite3 API
... answered Nov 20 '08 at 15:26
converter42converter42
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How can you strip non-ASCII characters from a string? (in C#)
...= "Räksmörgås";
string asAscii = Encoding.ASCII.GetString(
Encoding.Convert(
Encoding.UTF8,
Encoding.GetEncoding(
Encoding.ASCII.EncodingName,
new EncoderReplacementFallback(string.Empty),
new DecoderExceptionFallback()
),
...
Convert Python dictionary to JSON array
... 'answer',
autoActivateHeartbeat: false,
convertImagesToLinks: true,
noModals: true,
showLowRepImageUploadWarning: true,
reputationToPostImages: 10,
bindNavPrevention: true,
postfix...
SSH to Vagrant box in Windows?
...
I use PuTTY to connect to my Vagrant boxes on Windows7.
Make sure you
convert the %USERPROFILE%\.vagrant.d\insecure_private_key to .ppk using PuTTYGen
use the .ppk key in your PuTTY session - configured in Connection > SSH > Auth > Private key file
use host 127.0.0.1
use port 2222 inst...
Spinlock versus Semaphore
... all, or only spins for a very short time (as an optimization to avoid the syscall overhead). If a semaphore cannot be acquired, it blocks, giving up CPU time to a different thread that is ready to run. This may of course mean that a few milliseconds pass before your thread is scheduled again, but i...
Argparse: Required arguments listed under “optional arguments”?
...tead, use parser.parse_args() with no arguments to capture the contents of sys.argv. Per argparse
– Devin
Jun 12 '19 at 13:50
...
How to find encoding of a file via script on Linux?
...
Sounds like you're looking for enca. It can guess and even convert between encodings. Just look at the man page.
Or, failing that, use file -i (linux) or file -I (osx). That will output MIME-type information for the file, which will also include the character-set encoding. I found a...
Mercurial for Beginners: The Definitive Practical Guide
...
How do I interface with Subversion?
There are three ways:
The convert extension will clone an existing Subversion repository into a Mercurial one. It comes with Mercurial. It works roughly like this:
hg convert <Subversion URL or directory> <path to new Mercurial repository&...