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SQL Server IN vs. EXISTS Performance
...TS will be faster because once the engine has found a hit, it will quit looking as the condition has proved true.
With IN, it will collect all the results from the sub-query before further processing.
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what is faster: in_array or isset? [closed]
This question is merely for me as I always like to write optimized code that can run also on cheap slow servers (or servers with A LOT of traffic)
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UnicodeEncodeError: 'charmap' codec can't encode - character maps to , print function [du
...ding when piping stdout in Python, but I could not get these example to work.
Following example code makes the output aware of your target charset.
# -*- coding: utf-8 -*-
import sys
print sys.stdout.encoding
print u"Stöcker".encode(sys.stdout.encoding, errors='replace')
print u"Стоескер"...
How can I get file extensions with JavaScript?
...information in wallacer's revised answer as well as VisioN's excellent breakdown
Edit: Just because this is the accepted answer; wallacer's answer is indeed much better:
return filename.split('.').pop();
My old answer:
return /[^.]+$/.exec(filename);
Should do it.
Edit: In response to Ph...
How can I change the color of a Google Maps marker?
I'm using the Google Maps API to build a map full of markers, but I want one marker to stand out from the others. The simplest thing to do, I think, would be to change the color of the marker to blue, instead of red. Is this a simple thing to do or do I have to create a whole new icon somehow? If I ...
How can I check if a Perl array contains a particular value?
I am trying to figure out a way of checking for the existence of a value in an array without iterating through the array.
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Why would iterating over a List be faster than indexing through it?
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In a linked list, each element has a pointer to the next element:
head -> item1 -> item2 -> item3 -> etc.
To access item3, you can see clearly that you need to walk from the head through every node until you reach item...
Generic List - moving an item within the list
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I know you said "generic list" but you didn't specify that you needed to use the List(T) class so here is a shot at something different.
The ObservableCollection(T) class has a Move method that does exactly what you want.
pub...
MySQL Error 1215: Cannot add foreign key constraint
...erything I've found has said to either set the db engine to Innodb or to make sure the keys I'm trying to use as a foreign key are primary keys in their own tables. I have done both of these things, if I'm not mistaken. Any other help you guys could offer?
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Set keyboard caret position in html textbox
Does anybody know how to move the keyboard caret in a textbox to a particular position?
9 Answers
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