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Lambda Expression and generic method
...e method in the functional interface has type parameters. See section §15.27.3 in JLS8:
A lambda expression is compatible [..] with a target type T if T is a functional interface type (§9.8) and the expression is congruent with the function type of [..] T. [..] A lambda expression is congruent...
Ignore Xcode warnings when using Cocoapods
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answered Nov 3 '12 at 12:11
alloyalloy
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Google Authenticator implementation in Python
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2 Answers
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PEP 8, why no spaces around '=' in keyword argument or a default parameter value?
...gnment.
For example, there is plenty of code like this:
kw1 = some_value
kw2 = some_value
kw3 = some_value
some_func(
1,
2,
kw1=kw1,
kw2=kw2,
kw3=kw3)
As you see, it makes complete sense to assign a variable to a keyword argument named exactly the same, so it improves readabilit...
What does $(function() {} ); do?
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what if $(function() { }); is already in $(document).ready() ?
– jwchang
Oct 4 '11 at 1:43
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How to force a SQL Server 2008 database to go Offline
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Search and replace in bash using regular expressions
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Use sed:
MYVAR=ho02123ware38384you443d34o3434ingtod38384day
echo "$MYVAR" | sed -e 's/[a-zA-Z]/X/g' -e 's/[0-9]/N/g'
# prints XXNNNNNXXXXNNNNNXXXNNNXNNXNNNNXXXXXXNNNNNXXX
Note that the subsequent -e's are processed in order. Also, the g fla...
Limit ggplot2 axes without removing data (outside limits): zoom
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172
Hadley explains this on pp. 99; 133 of his ggplot2 book (1st edition), or pp. 160 - 161 if you h...
How do I uniquely identify computers visiting my web site?
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