大约有 46,000 项符合查询结果(耗时:0.0515秒) [XML]

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What is the best Battleship AI?

... +450 I second the motion to do a lot more games per match. Doing 50 games is just flipping a coin. I needed to do 1000 games to get any r...
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How to install a previous exact version of a NPM package?

I used nvm to download node v0.4.10 and installed npm to work with that version of node. 10 Answers ...
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Rename specific column(s) in pandas

... 30 A much faster implementation would be to use list-comprehension if you need to rename a single c...
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What does |= (ior) do in Python?

... Here we apply merge (|) and update (|=) to dicts: >>> d1 = {"a": 0, "b": 1, "c": 2} >>> d2 = {"c": 20, "d": 30} >>> # Merge, | >>> d1 | d2 {"a": 0, "b": 1, "c": 20, "d": 30} >>> d1 {"a": 0, "b": 1, "c": 2} >>> # Update, |= >>> d1 |=...
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Javascript regex returning true.. then false.. then true.. etc [duplicate]

... /^[^-_]([a-z0-9-_]{4,20})[^-_]$/gi; You're using a g (global) RegExp. In JavaScript, global regexen have state: you call them (with exec, test etc.) the first time, you get the first match in a given string. Call them again and you get...
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How to test multiple variables against a value?

... +500 You misunderstand how boolean expressions work; they don't work like an English sentence and guess that you are talking about the sam...
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Returning an array using C

...t (shouldn't) do this: char *returnArray(char array []){ char returned [10]; //methods to pull values from array, interpret them, and then create new array return &(returned[0]); //is this correct? } returned is created with automatic storage duration and references to it will become inva...
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How to initialize array to 0 in C?

...are automatically initialized to zero. If you have simply char ZEROARRAY[1024]; at global scope it will be all zeros at runtime. But actually there is a shorthand syntax if you had a local array. If an array is partially initialized, elements that are not initialized receive the value 0 of the ap...
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Capturing Groups From a Grep RegEx

I've got this little script in sh (Mac OSX 10.6) to look through an array of files. Google has stopped being helpful at this point: ...
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What is the best way to programmatically detect porn images? [closed]

... This was written in 2000, not sure if the state of the art in porn detection has advanced at all, but I doubt it. http://www.dansdata.com/pornsweeper.htm PORNsweeper seems to have some ability to distinguish pictures of people from pictures of t...