大约有 40,000 项符合查询结果(耗时:0.0696秒) [XML]

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bool operator ++ and --

... and 2 or more [true]). So as a short-hand ++ worked, and -- didn't. ++ is allowed on bools for compatibility with this, but its use is deprecated in the standard and it was removed in C++17. This assumes that I only use x as an boolean, meaning that overflow can't happen until I've done ++ often e...
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Ignore modified (but not committed) files in git?

... Can you list all your ignored files somehow ? – Zitrax Apr 7 '10 at 10:10 21 ...
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What are good grep tools for Windows? [closed]

Any recommendations on grep tools for Windows? Ideally ones that could leverage 64-bit OS. 28 Answers ...
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How to convert current date into string in java?

...d the answer right below for the timestring. C: – php_coder_3809625 Jul 13 '16 at 13:54 @Ian Purton Is string date in ...
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How do I get AWS_ACCESS_KEY_ID for Amazon?

I'm totally new to AWS. 5 Answers 5 ...
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When to create a new app (with startapp) in Django?

... I tend to create new applications for each logically separate set of models. e.g.: User Profiles Forum Posts Blog posts share | improve this answer | ...
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Efficiency of purely functional programming

...ssible asymptotic slowdown that can happen when programming purely functionally as opposed to imperatively (i.e. allowing side-effects)? ...
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Is the safe-bool idiom obsolete in C++11?

...ned conversions and explicit user-defined conversion operators were practically invented because of this problem and to replace all the safe-bool stuff with something a lot cleaner and more logical. share | ...
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What is the benefit of using Fragments in Android, rather than Views?

...tom views are more light weight and simpler to implement. At first, I actually tried to build a phone/tablet app using custom views. Everything appeared to work across phones AND tablets, even switching from single panel to split panel. Where I ran into trouble was with the back button and life c...
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Remove duplicated rows using dplyr

... @hadley I like the unique() and distinct() function, however, they all remove the 2nd duplicate from the data frame. what if I want to have all 1st encounters of the duplicate value removed? How could this be done? Thanks for any help! – FlyingDutch Feb...