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How do I create a constant in Python?
...ok at the code snippet Constants in Python by Alex Martelli.
As of Python 3.8, there's a typing.Final variable annotation that will tell static type checkers (like mypy) that your variable shouldn't be reassigned. This is the closest equivalent to Java's final. However, it does not actually prevent...
Load a UIView from nib in Swift
... project (in interface builder or programmatically).
Update - using Swift 3 syntax
Loading a xib in the following extension is written as an instance method, which can then be used by an initializer like the one above:
extension UIView {
@discardableResult // 1
func fromNib<T : UIVi...
Sort array of objects by object fields
...d argument. Here are some examples:
Using anonymous functions (from PHP 5.3)
usort($your_data, function($a, $b) {return strcmp($a->name, $b->name);});
From inside a class
usort($your_data, array($this, "cmp")); // "cmp" should be a method in the class
Using arrow functions (from PHP 7...
Guaranteed lifetime of temporary in C++?
... Johannes Schaub - litbJohannes Schaub - litb
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Can you use hash navigation without affecting history?
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answered May 29 '14 at 2:39
LuciaLucia
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How to subtract a day from a date?
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1378
You can use a timedelta object:
from datetime import datetime, timedelta
d = datetime.today(...
How can I insert values into a table, using a subquery with more than one result?
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answered Mar 13 '12 at 21:18
Mike RyanMike Ryan
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In a Git repository, how to properly rename a directory?
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edited May 23 '17 at 12:18
Community♦
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answered Jun 25 '12 at 5:22
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Find which commit is currently checked out in Git
... commit you're currently on.
$ git log -1 --oneline
c1abcde Add feature-003
Option 3: Bash prompt
In Git version 1.8.3+ (or was it an earlier version?), if you have your Bash prompt configured to show the current branch you have checked out into your working copy, then it will also show you the ...
jQuery select all except first
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edited May 23 '18 at 17:45
Jeromy French
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