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PostgreSQL LIKE query performance variations
...text indexes is not for the LIKE operator at all, it has its own operators and doesn't work for arbitrary strings. It operates on words based on dictionaries and stemming. It does support prefix matching for words, but not with the LIKE operator:
Get partial match from GIN indexed TSVECTOR column
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I need a Nodejs scheduler that allows for tasks at different intervals [closed]
...* * * * *' - runs every 5 seconds
'10,20,30 * * * * *' - run at 10th, 20th and 30th second of every minute
'0 * * * * *' - runs every minute
'0 0 * * * *' - runs every hour (at 0 minutes and 0 seconds)
But also more complex schedules e.g.
'00 30 11 * * 1-5' - Runs every weekday (Monday through Fr...
How do I get the directory that a program is running from?
Is there a platform-agnostic and filesystem-agnostic method to obtain the full path of the directory from where a program is running using C/C++? Not to be confused with the current working directory. (Please don't suggest libraries unless they're standard ones like clib or STL.)
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Get notified when UITableView has finished asking for data?
...asking for data?
I've been playing with this problem for a couple of days and think that subclassing UITableView's reloadData is the best approach :
- (void)reloadData {
NSLog(@"BEGIN reloadData");
[super reloadData];
NSLog(@"END reloadData");
}
reloadData doesn't end before the ...
What's the absurd function in Data.Void useful for?
...little bit hard, since Haskell is non strict. The general use case is to handle impossible paths. For example
simple :: Either Void a -> a
simple (Left x) = absurd x
simple (Right y) = y
This turns out to be somewhat useful. Consider a simple type for Pipes
data Pipe a b r
= Pure r
| A...
What is fastest children() or find() in jQuery?
...f performance is truly an issue, then experiment to find the best solution and use that (or see some of the benchmarks in the other answers here).
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Difference between console.log() and console.debug()?
...nsole.debug" just brings up a bunch of pages that have the words "console" and "debug" on them.
6 Answers
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Jump into interface implementation in Eclipse IDE
...w, the method should already be selected. In its toolbar, click "Lock view and show members in hierarchy" (should be the leftmost toolbar icon).
In the upper part of the view, you can browse through all implementations of the method.
The procedure isn't very quick, but it gives you a good overview...
django templates: include and extends
..., dependent on a parent template. Django will look at your child template and use its content to populate the parent.
Everything that you want to use in a child template should be within blocks, which Django uses to populate the parent. If you want use an include statement in that child template,...
SetUnhandledExceptionFilter and the C/C++ Runtime Library - C/C++ - 清泛网 - 专注IT技能提升
SetUnhandledExceptionFilter and the C/C++ Runtime LibrarySetUnhandledExceptionFilter-and-the-C-C-Runtime-LiSetUnhandledExceptionFilter Runtime LibraryThis article presents a fix for SetUnhandledExceptionFilter to work with the CRT.Download source code - 30.9 KBInt...This article presents a fix for S...