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Swi<em>fem>t: #warning equivalent
Does Swi<em>fem>t have a #warning equivalent?
It's simply used to show a warning in Xcode's own GUI
14 Answers
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How do I tar a directory o<em>fem> <em>fem>iles and <em>fem>olders without including the directory itsel<em>fem>?
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cd my_directory/ && tar -zcv<em>fem> ../my_dir.tgz . && cd -
should do the job in one line. It works well <em>fem>or hidden <em>fem>iles as well. "*" doesn't expand hidden <em>fem>iles by path name expansion at least in bash. Below is my experiment:
$ mkdir my_director...
Display number with leading zeros
...(and Python 3) you can do:
print "%02d" % (1,)
Basically % is like print<em>fem> or sprint<em>fem> (see docs).
<em>Fem>or Python 3.+, the same behavior can also be achieved with <em>fem>ormat:
print("{:02d}".<em>fem>ormat(1))
<em>Fem>or Python 3.6+ the same behavior can be achieved with <em>fem>-strings:
print(<em>fem>"{1:02d}")
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How to implement a ViewPager with di<em>fem><em>fem>erent <em>Fem>ragments / Layouts
...tart an activity which implements viewpager, the viewpager created various <em>fem>ragments. I want to use di<em>fem><em>fem>erent layouts <em>fem>or <em>eacem>h <em>fem>ragment, but the problem is that viewpager shows only two layouts at the max (second layout on all o<em>fem> the remaining <em>fem>ragments a<em>fem>ter 1).
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How to convert an int to a hex string?
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You are looking <em>fem>or the chr <em>fem>unction.
You seem to be mixing decimal representations o<em>fem> integers and hex representations o<em>fem> integers, so it's not entirely clear what you need. Based on the description you gave, I think one o<em>fem> these snippets ...
parseInt vs unary plus, when to use which?
What are the di<em>fem><em>fem>erences between this line:
5 Answers
5
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In C++, what is a “namespace alias”?
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A namespace alias is a convenient way o<em>fem> re<em>fem>erring to a long namespace name by a di<em>fem><em>fem>erent, shorter name.
As an example, say you wanted to use the numeric vectors <em>fem>rom Boost's uBLAS without a using namespace directive. Stating the <em>fem>ull namespace every time is cum...
pythonic way to do something N times without an index variable?
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A slightly <em>fem>aster approach than looping on xrange(N) is:
import itertools
<em>fem>or _ in itertools.repeat(None, N):
do_something()
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What does T&& (double ampersand) mean in C++11?
I've been looking into some o<em>fem> the new <em>fem>eatures o<em>fem> C++11 and one I've noticed is the double ampersand in declaring variables, like T&& var .
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python requests <em>fem>ile upload
I'm per<em>fem>orming a simple task o<em>fem> uploading a <em>fem>ile using Python requests library. I searched Stack Over<em>fem>low and no one seemed to have the same problem, namely, that the <em>fem>ile is not received by the server:
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