大约有 15,640 项符合查询结果(耗时:0.0437秒) [XML]

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Why must wait() always be in synchronized block

... that the x-level caches are responsible for most non-reproducible runtime errors. That's because the developers usually don't learn the low-level stuff, like how CPU's work or how the memory hierarchy affects the running of applications: http://en.wikipedia.org/wiki/Memory_hierarchy It remains a r...
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Event system in Python

...el is basically a bag-of-handlers with more features related to threading, error handling, ... python-dispatch requires the even source classes to derive from pydispatch.Dispatcher. buslane is class-based, supports single- or multiple handlers and facilitates extensive type hints. Pithikos' Observer...
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Variable number of arguments in C++?

...would be variadic functions although they are not type-safe and in general error prone and can be unsafe to use but the only other potential alternative would be to use default arguments, although that has limited use. The example below is a modified version of the sample code in the linked referenc...
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Why use softmax as opposed to standard normalization?

...orrect itself quickly. Note that this is not the case for the Mean Squared Error for example. Long Explanation If the softmax still seems like an arbitrary choice to you, you can take a look at the justification for using the sigmoid in logistic regression: Why sigmoid function instead of anythin...
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New Array from Index Range Swift

... cast would use the as operator: numbers as Array which would result in an error. – j b Jun 10 '14 at 9:04 The languag...
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Replace a value if null or undefined in JavaScript

... if i is undefined, this will throw an error. seems useless to me thus.. (?) – phil294 Apr 28 '18 at 3:01 ...
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Git: which is the default configured remote for branch?

...itory hub . I work only in the master branch. The last sentence of this error message below makes me wonder: How do I find out which is the "default configured remote for your current branch" ? And how do I set it? ...
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How to redirect output with subprocess in Python?

... size = 'ffprobe -v error -show_entries format=size -of default=noprint_wrappers=1:nokey=1 dump.mp4 > file' proc = subprocess.Popen(shlex.split(size), shell=True) time.sleep(1) proc.terminate() #proc.kill() modify it by a suggestion size = ""...
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Save PL/pgSQL output from PostgreSQL to a CSV file

... IMHO the first option is error prone, because it doesn't include proper escaping of comma in exported data. – Piohen May 6 '13 at 21:07 ...
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Copy file remotely with PowerShell

... None of the above answers worked for me. I kept getting this error: Copy-Item : Access is denied + CategoryInfo : PermissionDenied: (\\192.168.1.100\Shared\test.txt:String) [Copy-Item], UnauthorizedAccessException> + FullyQualifiedErrorId : ItemExistsUnauthorizedAccessE...