大约有 22,000 项符合查询结果(耗时:0.0414秒) [XML]

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Why do I have to access template base class members through the this pointer?

...s) has to be qualified. Inside of Foo, you'd have to write: typename std::string s = "hello, world"; because std::string would be a dependent name, and hence assumed to be a non-type unless specified otherwise. Ouch! A second problem with allowing your preferred code (return x;) is that even if ...
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What's the difference between a Python “property” and “attribute”?

... @martineau: Well, there's one extra function call, but most likely the extra work and time will depend on how much the property is doing (general advice: do /not/ use properties to hide I/O). – Ethan Furman Jun 25 '...
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Using member variable in lambda capture list inside a member function

... The solution might make an unnecessary extra copy of grid though it probably gets optimized out. Shorter and better is: auto& tmp = grid; etc. – Tom Swirly Aug 10 '15 at 17:49 ...
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What is the combinatory logic equivalent of intuitionistic type theory?

...uction we know.) Combinator Syntax and Normalization Anyhow, we have two extra symbols, Pi and Set, so we might perhaps manage a combinatory translation with S, K and two extra symbols: I chose U for the universe and P for the product. Now we can define the untyped combinatory syntax (with free v...
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How do I tell git-svn about a remote branch created after I fetched the repo?

... This will fetch ALL the remote branches that have not been fetched yet. Extra tip: if you checked out only the trunk at first, and later you want to track ALL branches, then edit .git/config to look like this and re-run git svn fetch: [svn-remote "svn"] url = https://svn/path_to_repo_roo...
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How to use clock() in C++

...0; int min = 0; int hr = 0; //cout << "Press any key to start:"; //char start = _gtech(); for (;;) { newline(); if(msec == 1000) { ++sec; msec = 0; } if(sec == 60) ...
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What are metaclasses in Python?

...ell, I guess it's a matter of consistency with str, the class that creates strings objects, and int the class that creates integer objects. type is just the class that creates class objects. You see that by checking the __class__ attribute. Everything, and I mean everything, is an object in Python. ...
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Export query result to .csv file in SQL Server 2008

..., this does not properly quote text for CSV. A comma or new line within a CHAR/VARCHAR should be quoted, but is not. That causes data to shift into new columns or into a new line. – Eric J. Dec 7 '14 at 22:08 ...
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What is state-of-the-art for text rendering in OpenGL as of version 4.1? [closed]

...x Pulling (D. Rákos, "OpenGL Insights", pp. 239), there is no significant extra latency or overhead associated with pulling vertex data programmatically from the shader on the newest generations of GPUs, as compared to doing the same using the standard fixed function. Also, the latest generations o...
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Concatenating two one-dimensional NumPy arrays

... the input list in various ways before hand. np.stack for example adds an extra dimension to all input arrays. Look at their source code. Only concatenate is compiled. – hpaulj May 26 '17 at 16:45 ...