大约有 48,000 项符合查询结果(耗时:0.0590秒) [XML]

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Should I always return IEnumerable instead of IList?

...t;T>: IndexOf(T item) Insert(int index, T item) RemoveAt(int index) and Properties: T this[int index] { get; set; } If you need these methods in any way, then by all means return IList<T>. Also, if the method that consumes your IEnumerable<T> result is expecting an IList<T...
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Best ways to teach a beginner to program? [closed]

...ad to work with several beginner (never wrote a line of code) programmers, and I'll be doing an after school workshop with high school students this fall. This is the closest thing I've got to documentation. It's still a work in progress, but I hope it helps. 1) FizzBuzz. Start with command line pr...
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Any way to properly pretty-print ordered dictionaries?

I like the pprint module in Python. I use it a lot for testing and debugging. I frequently use the width option to make sure the output fits nicely within my terminal window. ...
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How to calculate an angle from three points? [closed]

... Only a handful of languages use a caret for 'power of', so if you don't want to call it arcos, please just type cos⁻¹. (If you're using a commercial operating system that makes it difficult to type exponents, I expect there would ...
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How do I disable the “Press ENTER or type command to continue” prompt in Vim?

Is there any way to disable the "Press ENTER or type command to continue" prompt that appears after executing an external command? ...
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Mongoose's find method with $or condition does not work properly

...ibe why this solution works with words? thanks – Alexander Mills Nov 22 '15 at 23:21 This looks like a solution to a r...
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Exporting a function in shell

... place all your functions. If FPATH is set on an interactive interpreter, and a command or function is not found in the current shell environment or the PATH, the directories listed there are searched for the existence of a file named after the missing command. If one is found, it is sourced in th...
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What is java interface equivalent in Ruby?

Can we expose interfaces in Ruby like we do in java and enforce the Ruby modules or classes to implement the methods defined by interface. ...
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How do CUDA blocks/warps/threads map onto CUDA cores?

...ns. The programmer divides work into threads, threads into thread blocks, and thread blocks into grids. The compute work distributor allocates thread blocks to Streaming Multiprocessors (SMs). Once a thread block is distributed to a SM the resources for the thread block are allocated (warps and sha...
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HTTP Error 500.19 and error code : 0x80070021

... Got precisely the same error and came to this question. As @SpaceBison mentioned in comments, this answer describes the solution - https://stackoverflow.com/a/12867753/404099. I spotted it too late and it misses some steps. This is what worked for me: W...