大约有 46,000 项符合查询结果（耗时：0.0675秒） [XML]
Why does python use 'else' after for and while loops?
...ght change in
syntax, programmers who want this syntax can have it right now:
for item in sequence:
process(item)
else: # no break
suite
* Bonus quote from that part of the video: "Just like if we called lambda makefunction, nobody would ask, 'What does lambda do?'"
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How to assign name for a screen? [closed]
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Much appreciated. Even though I know you can start with a name, I often start without naming, then wish I could later. Thanks!
– Ketzak
Jul 31 '17 at 18:40
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Are there console commands to look at whats in the queue and to clear the queue in Sidekiq?
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This is the approach that works right now (August 2016). The accepted answer is outdated as of ~2013.
– Jan Klimo
Aug 5 '16 at 5:37
add a ...
Quickly create large file on a Windows system
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It's not a sparse file (as far as I know) and the file is empty.
– Joey
Jan 4 '12 at 10:39
1
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Accessing localhost:port from Android emulator
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Not working for me right now, but here's the link to the Android docs and it's clear that this is what sould do it (10.0.2.2); developer.android.com/tools/devices/emulator.html
– Stuart Hallows
May 17 '14 at 7:0...
How to call getClass() from a static method in Java?
... reformat and shorten FQ names.
Change the context to Java: declaration.
Now if you type log<tab> it'll automatically expand to
private static final Logger logger = LoggerFactory.getLogger(ClassName.class);
And automatically reformat and optimize the imports for you.
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Why does .NET foreach loop throw NullRefException when collection is null?
...I think of it, returning null for a collection is an error. The way it is now, the runtime gives you a meaningful exception in this case, but it's easy to work around (ie: above) if you don't like this behavior. If the compiler hid this from you, you'd lose the error checking at runtime, but there...
What's the point of NSAssert, actually?
...orce that:
void gimme_positive_ints(int i) {
assert(i > 0);
}
And now you'll see something like this in the error log (or STDERR):
Assertion i > 0 failed: file example.c, line 2
So not only does it safe-guard against potentially bad inputs but it logs them in a useful, standard way. ...
How to create a temporary directory/folder in Java?
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This is dangerous. Java is known not to delete files immediately, so mkdir may fail sometimes
– Demiurg
Dec 1 '10 at 8:15
4
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Ruby on Rails and Rake problems: uninitialized constant Rake::DSL
... to retain that feature? What is Rake trying to do, and what should I use now?
– Ryanmt
Jul 21 '11 at 0:38
@Arrumaco,...