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How do I specify new lines on Python, when writing on files?
...the default); use a single '\n' instead, on all platforms." So what do you mean by "right" and what are the reasons for their and your comment?
– Yasen
Nov 22 '14 at 18:41
22
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Constructor function vs Factory functions
...houldn't be. You've effectively short circuited the new requirement, which means you could erase drawback #1. But then you've just got a factory function in all but name, with additional boilerplate, a capital letter, and less flexible this context.
Constructors break the Open / Closed Principle
...
What is the (function() { } )() construct in JavaScript?
I used to know what this meant, but I'm struggling now...
27 Answers
27
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Python exit commands - why so many and when should each be used?
...on the site module.
sys.exit() also raises the SystemExit exception. This means that it is the same as quit and exit in that respect.
Unlike those two however, sys.exit is considered good to use in production code. This is because the sys module will always be there.
os._exit() exits the progra...
Delete directory with files in it?
....
Before deleting the folder, delete all its files and folders (and this means recursion!). Here is an example:
public static function deleteDir($dirPath) {
if (! is_dir($dirPath)) {
throw new InvalidArgumentException("$dirPath must be a directory");
}
if (substr($dirPath, str...
Check if object is a jQuery object
...
So do you mean if (obj instanceof jQuery){...}?
– Nigel Angel
Oct 25 '13 at 14:48
2
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How to get a list of all files that changed between two Git commits?
...w) with the list of files included in, use:
git show --name-only [commit-id_A]^..[commit-id_B]
Where [commit-id_A] is the initial commit and [commit-id_B] is the last commit than you want to show.
Special attention with ^ symbol. If you don't put that, the commit-id_A information will not deplo...
How to add multiple objects to ManyToMany relationship at once in Django ?
... SQL I see only a single insert statement: INSERT INTO app_one_twos (one_id, two_id) VALUES (1, 1), (1, 2), (1, 3), (1, 4); This is in Django 1.4.
– Klaas van Schelven
Mar 26 '13 at 16:54
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SQL exclude a column using SELECT * [except columnA] FROM tableA?
...le "SQL column rename" or "SQL column alias". Something like SELECT table1.ID AS table1ID ..., IIRC.
– ToolmakerSteve
Aug 21 '14 at 2:44
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RSA Public Key format
...NTEGER -- e
}
The fields of type RSAPublicKey have the following meanings:
modulus is the RSA modulus n.
publicExponent is the RSA public exponent e.
Using Microsoft's excellent (and the only real) ASN.1 documentation:
30 82 01 0a ;SEQUENCE (0x010A bytes: 266 bytes)
...