大约有 42,000 项符合查询结果（耗时：0.0420秒） [XML]
How does facebook, gmail send the real time notification?
I have read some posts about this topic and the answers are comet, reverse ajax, http streaming, server push, etc.
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Should C# methods that *can* be static be static? [closed]
Should C# methods that can be static be static?
21 Answers
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How do I sort a list of dictionaries by a value of the dictionary?
I have a list of dictionaries and want each item to be sorted by a specific property values.
18 Answers
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Why should I care about lightweight vs. annotated tags?
I switched from Subversion to Git as my day-to-day VCS last year and am still trying to grasp the finer points of "Git-think".
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In Python, what happens when you import inside of a function? [duplicate]
What are the pros and cons of importing a Python module and/or function inside of a function, with respect to efficiency of speed and of memory?
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Listing all permutations of a string/integer
A common task in programming interviews (not from my experience of interviews though) is to take a string or an integer and list every possible permutation.
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How do pointer to pointers work in C?
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14 Answers
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Get a list of URLs from a site [closed]
I'm deploying a replacement site for a client but they don't want all their old pages to end in 404s. Keeping the old URL structure wasn't possible because it was hideous.
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What is sharding and why is it important?
I think I understand sharding to be putting back your sliced up data (the shards) into an easy to deal with aggregate that makes sense in the context. Is this correct?
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Why are elementwise additions much faster in separate loops than in a combined loop?
Suppose a1 , b1 , c1 , and d1 point to heap memory and my numerical code has the following core loop.
10 Answers
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