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Difference between dispatch_async and dispatch_sync on serial queue?
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410
Yes. Using serial queue ensure the serial execution of tasks. The only difference is that dispa...
Name of this month (Date.today.month as name)
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196
Date::MONTHNAMES[Date.today.month] would give you "January". (You may need to require 'date' f...
How to use a custom comparison function in Python 3?
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edited Feb 6 '19 at 6:19
caot
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answered Mar 28 '10 ...
How to open multiple pull requests on GitHub
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116
Pull requests are based on a branch.
The only way to open up a pull request for multiple commi...
XPath: select text node
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187
Having the following XML:
<node>Text1<subnode/>text2</node>
How d...
Find element's index in pandas Series
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10 Answers
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Haskell: Where vs. Let
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1: The problem in the example
f :: State s a
f = State $ \x -> y
where y = ... x ...
is the parameter x. Things in the where clause can refer only to the parameters of the function f (there are none) and things in o...
How to find out if an installed Eclipse is 32 or 64 bit version?
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210
Hit Ctrl+Alt+Del to open the Windows Task manager and switch to the processes tab.
32-bit prog...
How to find the length of a string in R
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See ?nchar. For example:
> nchar("foo")
[1] 3
> set.seed(10)
> strn <- paste(sample(LETTERS, 10), collapse = "")
> strn
[1] "NHKPBEFTLY"
> nchar(strn)
[1] 10
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GraphViz - How to connect subgraphs?
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197
The DOT user manual gives the following example of a graph with clusters with edges between cl...