大约有 19,000 项符合查询结果（耗时：0.0314秒） [XML]
Single Line Nested For Loops
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The best source of information is the official Python tutorial on list comprehensions. List comprehensions are nearly the same as for loops (certainly any list comprehension can be written as a for-loop) but they are often faster than using a fo...
Open multiple Eclipse workspaces on the Mac
...ifesaver.
– iTrout
Jan 30 '13 at 19:01
2
This is the better answer IMHO because Eclipse still sta...
Is HTML considered a programming language? [closed]
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answered Sep 28 '08 at 4:01
brian d foybrian d foy
117k3131 gold badges190190 silver badges529529 bronze badges
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Effects of the extern keyword on C functions
...rstand that a header is only needed when other source files will use the information; the header is (ab)used to store declaration information for one source file and no other file is expected to include it. Occasionally, it occurs for more contorted reasons.
– Jonathan Leffler
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What does “#define _GNU_SOURCE” imply?
...ammer for the porting of strfry memfrob and similar amenities to other platforms and tool-chains.
– Massimo
May 19 at 21:38
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When I catch an exception, how do I get the type, file, and line number?
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Simplest form that worked for me.
import traceback
try:
print(4/0)
except ZeroDivisionError:
print(traceback.format_exc())
Output
Traceback (most recent call last):
File "/path/to/file.py", line 51, in <module>
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How do you execute an arbitrary native command from a string?
...xchange.using('gps', function() { StackExchange.gps.track('embedded_signup_form.view', { location: 'question_page' }); });
$window.unbind('scroll', onScroll);
}
};
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In WPF, what are the differences between the x:Name and Name attributes?
...rty of a FrameworkElement, listed as any other wpf element property in the form of a xaml attribute.
As a consequence, this also means x:Name can be used on a wider range of objects. This is a technique to enable anything in xaml to be referenced by a given name.
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How do I alias commands in git?
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edited May 19 '16 at 14:01
Warren P
55.9k3636 gold badges162162 silver badges293293 bronze badges
ans...
Java `final` method: what does it promise?
...r of reasons to prevent something from being customizable, including:
Performance -- Some compilers can analyse and optimise the operation, especially the one without side-effects.
Obtain encapsulated data -- look at immutable Objects where their attributes are set at the construction time and sho...