大约有 30,000 项符合查询结果(耗时:0.0346秒) [XML]
How to shuffle a std::vector?
...lls to std::shuffle if you intend to generate different permutations every time!
Moreover, if you want your program to create different sequences of shuffles each time it is run, you can seed the constructor of the random engine with the output of std::random_device:
auto rd = std::random_device {...
How to handle Objective-C protocols that contain properties?
...fined in a protocol, you still need an "@synthesize" even in the modern runtime, or you need to duplicate the "@property" in your interface definition to get auto-synthesis.
– Jeffrey Harris
Jun 18 '13 at 16:34
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Why do people hate SQL cursors so much? [closed]
...ss collections. Old C, COBOL, Fortran, etc., had to process rows one at a time because there was no notion of "collection" that could be used widely. Java, C#, Python, etc., have first-class list structures to contain result sets.
The Slow Issue
In some circles, the relational joins are a myster...
Why isn't Python very good for functional programming? [closed]
...o feel free to add links to the various concepts. I will start when I have time later.
– Nathan Shively-Sanders
Jun 9 '11 at 15:27
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Initialize class fields in constructor or at declaration?
... be used with readonly fields, which must be explicitly initialized by the time the constructor is finished.
– yoyo
Jul 10 '14 at 23:39
38
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Google Sheets API Setup · App Inventor 2 中文网
... navigate to https://console.developers.google.com/. If
this is your first time using your Google Developer Account, you will be
prompted to agree to the Terms of Service. Check the box and continue.
Next, you will be on the Developer Dashboard. If you have not created a project
before, you can c...
What's the difference between size_t and int in C++?
... write a patch alone to fix that kind of mistakes when it occurs thousands times in the linux kernel ?
– user2284570
Apr 14 '16 at 20:56
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How to calculate date difference in JavaScript?
...converting milliseconds to years. You must be aware of bissextile year, of timezone, and some days have 23 or 25 hours. Some years have 365,25 days, so there is no simple arithmetic here (still looking for an accurate solution).
– Alexandre Salomé
May 20 '14 a...
Deprecated: mysql_connect()
...the warning but it´s not a good idea because can help you in future save time if an error happens (all of us knows the theory but if you work a lot of hours sometimes... brain is not there ^^ ).
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To underscore or to not to underscore, that is the question
...ost never have private fields due to 3.5 auto property. Generally the only time I have a private field is if I implement lazy loading on non-primitive types.
– Chris Marisic
Jan 17 '09 at 21:16
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