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What is the difference between self::$bar and static::$bar in PHP?
...ich may not be what you intend:
class Foo
{
protected static $bar = 1234;
}
class Bar extends Foo
{
protected static $bar = 4321;
}
When you call a method via static, you're invoking a feature called late static bindings (introduced in PHP 5.3).
In the above scenario, using self will re...
Checkout remote branch using git svn
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357
Standard Subversion layout
Create a git clone of that includes your Subversion trunk, tags, a...
In Django, how does one filter a QuerySet with dynamic field lookups?
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316
Python's argument expansion may be used to solve this problem:
kwargs = {
'{0}__{1}'.form...
Angular.js ng-repeat across multiple tr's
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edited May 23 '17 at 12:10
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answered Oct 19 '12 at 20:19
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jQuery add image inside of div tag
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302
Have you tried the following:
$('#theDiv').prepend('<img id="theImg" src="theImg.png" />...
How to pad zeroes to a string?
...
Strings:
>>> n = '4'
>>> print(n.zfill(3))
004
And for numbers:
>>> n = 4
>>> print(f'{n:03}') # Preferred method, python >= 3.6
004
>>> print('%03d' % n)
004
>>> print(format(n, '03')) # python >= 2.6
004
>>> ...
Why does Dijkstra's algorithm use decrease-key?
...
3 Answers
3
Active
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T-SQL datetime rounded to nearest minute and nearest hours with using functions
...
declare @dt datetime
set @dt = '09-22-2007 15:07:38.850'
select dateadd(mi, datediff(mi, 0, @dt), 0)
select dateadd(hour, datediff(hour, 0, @dt), 0)
will return
2007-09-22 15:07:00.000
2007-09-22 15:00:00.000
The above just truncates the seconds and minutes, producing...
Determining complexity for recursive functions (Big O notation)
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362
The time complexity, in Big O notation, for each function:
int recursiveFun1(int n)
{
if ...
Making an array of integers in iOS
...] = i;
// to get one of them
NSLog (@"The 4th integer is: %d", myIntegers[3]);
Or, you can use an NSArray or NSMutableArray, but here you will need to wrap up each integer inside an NSNumber instance (because NSArray objects are designed to hold class instances).
NSMutableArray *myIntegers = [NS...