大约有 15,000 项符合查询结果（耗时：0.0318秒） [XML]
Git for beginners: The definitive practical guide
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Impossible to Install PG gem on my mac with Mavericks
...t a note that you can still use bundler by setting a config env variable: export CONFIGURE_ARGS="with-pg-config=/Applications/Postgres.app/Contents/MacOS/bin/pg_config"
– film42
Nov 16 '13 at 17:47
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How to pick a new color for each plotted line within a figure in matplotlib?
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matplotlib 1.5+
You can use axes.set_prop_cycle (example).
matplotlib 1.0-1.4
You can use axes.set_color_cycle (example).
matplotlib 0.x
You can use Axes.set_default_color_cycle.
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What is a “cache-friendly” code?
... can move data around in single clock cycles. However, registers are very expensive and most computer cores have less than a few dozen registers. At the other end of the memory spectrum (DRAM), the memory is very cheap (i.e. literally millions of times cheaper) but takes hundreds of cycles after a ...
When should std::move be used on a function return value? [duplicate]
... to the return value of meh is required to be the move constructor if one exists.
Adding move does have a potential effect, though: it prevents the move being elided, because return std::move(foo); is not eligible for NRVO.
As far as I know, 12.8/32 lays out the only conditions under which a copy ...
How can I start PostgreSQL server on Mac OS X?
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Open multiple Eclipse workspaces on the Mac
... the officially supported way to do this as of 10.5. Earlier version of OS X and even 10.5 and up should still work using the following instructions though.
Open the command line (Terminal)
Navigate to your Eclipse installation folder, for instance:
cd /Applications/eclipse/
cd /Developer/Ecl...
Way to ng-repeat defined number of times instead of repeating over array?
...ou to do this with only a variable (no function needed):
<li ng-repeat="x in [].constructor(number) track by $index">
<span>{{ $index+1 }}</span>
</li>
$scope.number = 5;
This was not possible at the time the question was first asked. Credit to @Nikhil Nambiar from his...
Python list sort in descending order
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In one line, using a lambda:
timestamp.sort(key=lambda x: time.strptime(x, '%Y-%m-%d %H:%M:%S')[0:6], reverse=True)
Passing a function to list.sort:
def foo(x):
return time.strptime(x, '%Y-%m-%d %H:%M:%S')[0:6]
timestamp.sort(key=foo, reverse=True)
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How do I compile C++ with Clang?
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Also, for posterity -- Clang (like GCC) accepts the -x switch to set the language of the input files, for example,
$ clang -x c++ some_random_file.txt
This mailing list thread explains the difference between clang and clang++ well: Difference between clang and clang++
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