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Why is iterating through a large Django QuerySet consuming massive amounts of memory?
...ion why not use django core's Paginator and Page objects documented here:
https://docs.djangoproject.com/en/dev/topics/pagination/
Something like this:
from django.core.paginator import Paginator
from djangoapp.models import model
paginator = Paginator(model.objects.all(), 1000) # chunks of 1000...
Add … if string is too long PHP [duplicate]
... is the length of the truncated string + the added string!
Documentation: http://php.net/manual/en/function.mb-strimwidth.php
To avoid truncating words:
In case of presenting text excerpts, probably truncating a word should be avoided. If there is no hard requirement on the length of the truncate...
How to cache data in a MVC application
...apted this so that the caching mechanism is used per user session by using HttpContext.Current.Session instead. I've also put a Cache property on my BaseController class so its easy access and updated the constructor allow for DI for unit testing. Hope this helps.
– WestDiscGol...
JavaScript open in a new window, not tab
...k', 'toolbar=0,location=0,menubar=0');
For a specific URL:
window.open('http://www.google.com', '_blank', 'toolbar=0,location=0,menubar=0');
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Capitalize or change case of an NSString in Objective-C
....text = [[displayDate objectAtIndex:2] uppercaseString];
Documentation: http://developer.apple.com/library/ios/documentation/Cocoa/Reference/Foundation/Classes/NSString_Class/Reference/NSString.html#//apple_ref/occ/instm/NSString/uppercaseString
You can also use lowercaseString and capitalizedSt...
What is an index in SQL?
...entation on the subject (which is relevant for other SQL servers as well):
http://dev.mysql.com/doc/refman/5.0/en/mysql-indexes.html
An index can be used to efficiently find all rows matching some column in your query and then walk through only that subset of the table to find exact matches. If you...
Official way to ask jQuery wait for all images to load before executing something
...kov (hristo.yankov at gmail dot com)
* @version: 1.0.0 (Feb/22/2010)
* http://yankov.us
*/
(function($) {
$.fn.batchImageLoad = function(options) {
var images = $(this);
var originalTotalImagesCount = images.size();
var totalImagesCount = originalTotalImagesCount;
var elementsL...
How to use mysql JOIN without ON condition?
...
See some example in http://www.sitepoint.com/understanding-sql-joins-mysql-database/
You can use 'USING' instead of 'ON' as in the query
SELECT * FROM table1 LEFT JOIN table2 USING (id);
...
Why are data transfer objects (DTOs) an anti-pattern?
...with the use of DTOs. Bill Dudney refers to DTO explosion as an example:
http://www.softwaresummit.com/2003/speakers/DudneyJ2EEAntiPatterns.pdf
There are also a number of abuses of DTOs mentioned here:
http://anirudhvyas.com/root/2008/04/19/abuses-of-dto-pattern-in-java-world/
They originated b...
C++ code file extension? .cc vs .cpp [closed]
...ainly on unix-likes) use .cc.
Examples coding styles using .cc:
Google: http://google-styleguide.googlecode.com/svn/trunk/cppguide.xml
ICL : http://www.doc.ic.ac.uk/lab/cplus/c++.rules/chap4.html#sect2
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