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What is a regular expression which will match a valid domain name without a subdomain?
...omething that you're libel to run into unless using it for internal sites, etc... A quick attempt to allow it to support more subdomains: /^((?!-))(xn--)?[a-z0-9][a-z0-9-_]{0,61}[a-z0-9]{0,}\.?((xn--)?([a-z0-9\-.]{1,61}|[a-z0-9-]{1,30})\.?[a-z]{2,})$/i
– stakolee
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How do you sort a list in Jinja2?
...jects, then you can define the various comparison methods (__lt__, __gt__, etc.) for the class of those objects.
If movie_list is a list of tuples or lists, the rating must be first. Or you'll have to do the sorting outside Jinja2.
If movie_list is a list of dictionaries, then you can use dictsor...
What is the single most influential book every programmer should read? [closed]
...Not for everyone, but if you are involved in code optimisation, compilers, etc, or are just a general nerd who is interested in low level stuff then this is a great book.
– Paul R
Feb 7 '10 at 22:39
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What does [:] mean?
... be of value to raise dead questions. Different insight, different wording etc. In this case you corrected the answer and they hopefully learnt something too.
– Pryftan
Apr 19 at 15:17
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How to write PNG image to string with the PIL?
...a string, using the standard
"raw" decoder.
The "format" (.jpeg, .png, etc.) only matters on disk when you are exchanging the files. If you're not exchanging files, format doesn't matter.
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What is the use of a private static variable in Java?
...static void main(String[] args) {
Connection conn = DriverManager.getConnection(JDBC_URL,
JDBC_USERNAME, JDBC_PASSWORD);
// ...
}
}
Whether you make it public or private depends on whether you want the variables to be visible outside th...
How do I break out of a loop in Scala?
...ic Scala. However, the logic remains the same. (return becomes return x, etc.).
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iTerm 2: How to set keyboard shortcuts to jump to beginning/end of line?
...tually pressing the Home and End keys, and as such will work in bash, vim, etc.
– Timothy Zorn
Feb 3 '17 at 8:38
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Can I make git recognize a UTF-16 file as text?
...er @OK comment, the "set" is irrelevant here, just *.vmc diff , *.sql diff etc.. is needed to set the 'diff' attribute for the path specified. (I can't edit the answer). 2 caveats however : diffs are shown with a space between each character, and not possible to "stage hunk" or "discard hunk" for t...
Check if a variable is a string in JavaScript
...[object ' + name + ']';
};
});
That will define isString, isNumber, etc.
In Node.js, this can be implemented as a module:
module.exports = [
'Arguments',
'Function',
'String',
'Number',
'Date',
'RegExp'
].reduce( (obj, name) => {
obj[ 'is' + name ] = x => toString....