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Is a RelativeLayout more expensive than a LinearLayout?
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In a talk at Google I/O 2013 (Writing Custom Views for Android), Romain Guy clarified the misunderstanding that caused everyone to start using RelativeLayouts for everything. A RelativeLayout always has to do two measure passes. Overall it is negligi...
How to check if a function exists on a SQL database
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208
This is what SSMS uses when you script using the DROP and CREATE option
IF EXISTS (SELECT *
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Having a private branch of a public repo on GitHub?
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mj1531mj1531
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1
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How to set child process' environment variable in Makefile
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answered May 24 '14 at 13:06
MadScientistMadScientist
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How to sort an array of hashes in ruby
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answered Mar 30 '11 at 8:48
GarethGareth
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How do I simply create a patch from my latest git commit?
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302
In general,
git format-patch -n HEAD^
(check help for the many options), although it's reall...
How can I set Image source with base64
...ById('img')
.setAttribute(
'src', 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAAHElEQVQI12P4//8/w38GIAXDIBKE0DHxgljNBAAO9TXL0Y4OHwAAAABJRU5ErkJggg=='
);
Real answer:
(And make sure you remove the line-breaks in the base64.)
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How do I declare an array of weak references in Swift?
...AnyObject> {
mutating func reap () {
self = self.filter { nil != $0.value }
}
}
The use of AnyObject above should be replaced with T - but I don't think the current Swift language allows an extension defined as such.
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PostgreSQL - max number of parameters in “IN” clause?
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According to the source code located here, starting at line 850, PostgreSQL doesn't explicitly limit the number of arguments.
The following is a code comment from line 870:
/*
* We try to generate a ScalarArrayOpExpr from IN/NOT IN, but this is only
* possible if the inputs are all ...
What is mattr_accessor in a Rails module?
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answered Oct 9 '08 at 1:49
AvdiAvdi
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