大约有 4,900 项符合查询结果(耗时:0.0366秒) [XML]

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string.ToLower() and string.ToLowerInvariant()

What's the difference and when to use what? What's the risk if I always use ToLower() and what's the risk if I always use ToLowerInvariant() ? ...
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Evaluating a mathematical expression in a string

...rbitrary commands eval("9**9**9**9**9**9**9**9", {'__builtins__': None}) # CPU, memory Note: even if you use set __builtins__ to None it still might be possible to break out using introspection: eval('(1).__class__.__bases__[0].__subclasses__()', {'__builtins__': None}) Evaluate arithmetic expr...
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how to show progress bar(circle) in an activity having a listview before loading the listview with d

... edited Sep 18 '14 at 18:10 Sébastien 10.1k1111 gold badges4545 silver badges6565 bronze badges answered Sep 18 '14 at 18:07 ...
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What is DOCTYPE?

... edited May 8 at 21:35 Léa Gris 7,59633 gold badges1616 silver badges2929 bronze badges answered Jan 6 '09 at 0:06 ...
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How to compare strings ignoring the case

...ed May 16 '12 at 18:42 Marc-André Lafortune 70.6k1414 gold badges150150 silver badges162162 bronze badges answered May 16 '10 at 16:33 ...
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Why was the switch statement designed to need a break?

... edited Jun 14 '12 at 2:41 José 12855 bronze badges answered Oct 31 '08 at 3:03 FlySwatFlySwat ...
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What's the proper way to install pip, virtualenv, and distribute for Python?

In my answer to SO question 4314376 , I recommended using ez_setup so that you could then install pip and virtualenv as follows: ...
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Proper use of 'yield return'

...t not being select(o => o)). – Soleil - Mathieu Prévot Sep 14 at 13:06 add a comment  |  ...
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Big-oh vs big-theta [duplicate]

... oh I prefer bépo – kokociel Aug 7 '18 at 10:31 add a comment  |  ...
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What does it mean to hydrate an object?

... for your current operations. So there's no reason to waste bandwidth and CPU cycles loading, transferring, and setting this data when it's not going to be used. Additionally, there are some ORM's, such as Doctrine, which do not hydrate objects when they are instantiated, but only when the data is...