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How to 'bulk update' with Django?
...e it won't be triggered).
No django signals will be emitted.
You can't perform an .update() on a sliced QuerySet, it must be on an original QuerySet so you'll need to lean on the .filter() and .exclude() methods.
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PHP shell_exec() vs exec()
...ot what you want, as you'll need to post-process the input into some other form, so in that case use shell_exec.
It's also worth pointing out that shell_exec is an alias for the backtic operator, for those used to *nix.
$out = `ls`;
var_dump($out);
exec also supports an additional parameter that...
Intellij IDEA Java classes not auto compiling on save
...d Jun 18 '19 at 12:41
informatik01
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answered Oct 5 '12 at 10:35
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Haskell testing workflow
...ck properties all from one harness.
Code coverage is built into GHC in the form of the HPC tool.
Criterion provides some pretty great benchmarking machinery
I'll use as a running example a package that I just started enabling with unit testing, code coverage, and benchmarks:
http://github.com/ekm...
Proper Linq where clauses
...aximum). Basically it's worth considering readability before any slight performance difference.
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How to play with Control.Monad.Writer in haskell?
...ate the MonadWriter type class at all? The reason is to do with monad transformers. As you correctly realised, the simplest way to implement Writer is as a newtype wrapper on top of a pair:
newtype Writer w a = Writer { runWriter :: (a,w) }
You can declare a monad instance for this, and then writ...
Is .NET Remoting really deprecated?
...ine communication in WCF you use named pipes- using it should give good performance in virtually all realistic scenarios.
For a performance comparison of various distributed communication technologies see here.
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What is the purpose of global.asax in asp.net
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Can we add global.asax file for windows form?
– Jeeva Jsb
Oct 7 '15 at 5:13
@JeevaJ...
Can I change the viewport meta tag in mobile safari on the fly?
...xchange.using('gps', function() { StackExchange.gps.track('embedded_signup_form.view', { location: 'question_page' }); });
$window.unbind('scroll', onScroll);
}
};
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Android Preferences: How to load the default values when the user hasn't used the preferences-screen
...manifest) it will only be called once per application start anyway. For performance it would be more relevant (if at all) to not do the parsing each time the app starts (instead only on it's first start) and this is what false does. So it is more a question of whether you need a check on each start ...