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What's the recommended approach to resetting migration history using Django South?
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121
EDIT - I'm putting a comment below at the top of this as it's important to read it before th...
Is it possible to clone html element objects in JavaScript / JQuery?
...ipt using the cloneNode() method:
// Create a clone of element with id ddl_1:
let clone = document.querySelector('#ddl_1').cloneNode( true );
// Change the id attribute of the newly created element:
clone.setAttribute( 'id', newId );
// Append the newly created element on element p
document.quer...
Cannot delete or update a parent row: a foreign key constraint fails
...references. This:
ALTER TABLE `advertisers`
ADD CONSTRAINT `advertisers_ibfk_1` FOREIGN KEY (`advertiser_id`)
REFERENCES `jobs` (`advertiser_id`);
...is actually the opposite to what it should be. As it is, it means that you'd have to have a record in the jobs table before the advertis...
How do you rename a MongoDB database?
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210
No there isn't. See https://jira.mongodb.org/browse/SERVER-701
Unfortunately, this is not ...
OS X10.9 环境下部署 QT5.3.1 常见的编译问题 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...件中加入对应的SDK版本:
1
QMAKE_MAC_SDK = macosx10.9
3、:-1: error: [ui_mainwindow.h] Trace/BPT trap: 5
dyld: Library not loaded: /work/build/______________________________PADDING______________________________/lib/QtCore.framework/Versio...
Using logging in multiple modules
...ave a logger defined like this:
import logging
logger = logging.getLogger(__name__)
near the top of the module, and then in other code in the module do e.g.
logger.debug('My message with %s', 'variable data')
If you need to subdivide logging activity inside a module, use e.g.
loggerA = loggin...
Disable cache for some images
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HexagonHexagon
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88
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Samples of Scala and Java code where Scala code looks simpler/has fewer lines?
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answered Jun 1 '10 at 20:21
Esko LuontolaEsko Luontola
70.3k1313 gold badges106106 silver badges124124 bronze badges
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Easiest way to convert int to string in C++
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2182
C++11 introduces std::stoi (and variants for each numeric type) and std::to_string, the count...
Can I set an opacity only to the background image of a div?
...h is the css3 option. Heres quite good trick for older ie.. css-tricks.com/2151-rgba-browser-support
– Joonas
Aug 30 '11 at 12:33
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