大约有 41,000 项符合查询结果(耗时:0.0513秒) [XML]

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Single script to run in both Windows batch and Linux Bash?

...rite a single script file which executes in both Windows (treated as .bat) and Linux (via Bash)? 11 Answers ...
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Why doesn't .NET/C# optimize for tail-call recursion?

...ugh analysis to keep the application competitive in the long term with a standard ahead-of-time compilation. Interestingly the NGen compilation steps are not targeted to being more aggressive in their optimizations. I suspect this is because they simply don't want to have bugs where the behaviour i...
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jQuery Mobile: document ready vs. page events

I am using jQuery Mobile, and I am having trouble understanding differences between classic document ready and jQuery Mobile page events. ...
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Volatile vs. Interlocked vs. lock

...he point of volatile is that multiple threads running on multiple CPUs can and will cache data and re-order instructions. If it is not volatile, and CPU A increments a value, then CPU B may not actually see that incremented value until some time later, which may cause problems. If it is volatile, th...
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Seeking clarification on apparent contradictions regarding weakly typed languages

I think I understand strong typing , but every time I look for examples for what is weak typing I end up finding examples of programming languages that simply coerce/convert types automatically. ...
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Maintain/Save/Restore scroll position when returning to a ListView

... Try this: // save index and top position int index = mList.getFirstVisiblePosition(); View v = mList.getChildAt(0); int top = (v == null) ? 0 : (v.getTop() - mList.getPaddingTop()); // ... // restore index and position mList.setSelectionFromTop(in...
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Is there a difference between “==” and “is”?

...> b == a True # Make a new copy of list `a` via the slice operator, # and assign it to variable `b` >>> b = a[:] >>> b is a False >>> b == a True In your case, the second test only works because Python caches small integer objects, which is an implementation detail...
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How to install Xcode Command Line Tools

How do I get the command-line build tools installed with the current Xcode/Mac OS X v10.8 (Mountain Lion) or later? 13 Answ...
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Android Min SDK Version vs. Target SDK Version

When it comes to developing applications for Android, what is the difference between Min and Target SDK version? Eclipse won't let me create a new project unless Min and Target versions are the same! ...
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Rails migration for has_and_belongs_to_many join table

...ow do I do a script/generate migration to create a join table for a has_and_belongs_to_many relationship? 6 Answers ...