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What's the point of having pointers in Go?
I know that pointers in Go allow mutation of a function's arguments, but wouldn't it have been simpler if they adopted just references (with appropriate const or mutable qualifiers). Now we have pointers and for some built-in types like maps and channels implicit pass by reference.
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$PHP_AUTOCONF errors on mac os x 10.7.3 when trying to install pecl extensions
...-s /usr/local/Cellar/autoconf/2.69/bin/autoheader /usr/bin/autoheader
I know that this question was for 10.7, but I hope my answer is useful for someone on 10.8. :)
Updated: Also works on 10.10 Yosemite.
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Static variables in member functions
...only to those types. e.g. template<typename T> void foo (T t) {...}. Now for foo<int> there will be a static int i (say foo<int>::i) and separate for foo<string> there will be a separate static int i (say foo<string>::i) and so on. i will be incremented separately for f...
How to properly assert that an exception gets raised in pytest?
...nstantly evolves and with one of the nice changes in the recent past it is now possible to simultaneously test for
the exception type (strict test)
the error message (strict or loose check using a regular expression)
Two examples from the documentation:
with pytest.raises(ValueError, match='mu...
Pandas selecting by label sometimes return Series, sometimes returns DataFrame
... Ah, why selecting a single row returns a Series, I don't really know.
– joris
Dec 4 '13 at 19:24
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How to sparsely checkout only one single file from a git repository?
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btw we can use git archive now.
– Jared Forsyth
Sep 10 '13 at 7:14
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Ruby: extend self
...ways helps to think of extend as include inside the singleton class (also known as meta or eigen class).
You probably know that methods defined inside the singleton class are basically class methods:
module A
class << self
def x
puts 'x'
end
end
end
A.x #=> 'x'
Now th...
Why is  appearing in my HTML? [duplicate]
... i open it with notepad no unusual character was there and i save it now i have three character at the top . hooray ! :)
– mehdi
Mar 13 '12 at 20:56
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How to delete an old/unused Data Model Version in Xcode
...al 8". For me it appeared on two separate lines. I removed these lines and now it's completely removed from Xcode.
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How do I vertically align text in a div?
... cause the second link uses just one row of text or an image of which you know the height. What if you have 2 or 3 rows of text or if you don't know the height of your text, cause it varies. How would that work with line-height? So to sum up. I tested the first version and it works on IE, Firefox AN...