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Check if value exists in Postgres array
Using Postgres 9.0, I need a way to test if a value exists in a given array. So far I came up with something like this:
7 A...
Stop setInterval call in JavaScript
...the scope is risky because functions are there too. For example, "function test(){}" is accessible via window.test, which is the same as not using a scope at all, because it's a shorthand. Hope this helps.
– Schien
Jan 19 '14 at 6:05
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Use cases for the 'setdefault' dict method
...t: {1: 5, 2: 6}
In: d.setdefault(2, 0)
Out: 6
In: d.setdefault(2, print('test'))
test
Out: 6
As you can see, print was also executed even though 2 already existed in the dictionary. This becomes particularly important if you are planning to use setdefault for example for an optimization like mem...
Case insensitive 'Contains(string)'
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To test if the string paragraph contains the string word (thanks @QuarterMeister)
culture.CompareInfo.IndexOf(paragraph, word, CompareOptions.IgnoreCase) >= 0
Where culture is the instance of CultureInfo describing the lan...
How to scroll HTML page to given anchor?
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In the latest Chrome release this is the only method I have found that consistently works. Thanks for the tip!
– gaborous
Jun 6 at 9:36
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How can I deploy/push only a subdirectory of my git repo to Heroku?
...ee if all went wine
plays nice with jenkins too :D (automatic code push to test servers after successful tests)
Works very very nice in the wild with minimal (no?) problems 6 months now
Here's the script https://gist.github.com/bbozo/fafa2bbbf8c7b12d923f
Update 1
@AdamBuczynski, it's never so s...
How to get a key in a JavaScript object by its value?
...s[ prop ] === value )
return prop;
}
}
}
var test = {
key1: 42,
key2: 'foo'
};
test.getKeyByValue( 42 ); // returns 'key1'
One word of caution: Even if the above works, its generally a bad idea to extend any host or native object's .prototype. I did it here be...
Regular Expressions and negating a whole character group [duplicate]
...is approach is slower than the one given in Peter's answer. I've run some tests since then, and found that it's really slightly faster. However, the reason to prefer this technique over the other is not speed, but simplicity.
The other technique, described here as a tempered greedy token, is su...
SQL Server loop - how do I loop through a set of records
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Just another approach if you are fine using temp tables.I have personally tested this and it will not cause any exception (even if temp table does not have any data.)
CREATE TABLE #TempTable
(
ROWID int identity(1,1) primary key,
HIERARCHY_ID_TO_UPDATE int,
)
--create some testing data
--...
Django filter versus get for single object?
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That test is pretty unfair. A large part of the overhead in throwing an exception is the handling of the stack trace. That test had a stack length of 1 which is much lower than you would usually find in an application.
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