大约有 40,000 项符合查询结果(耗时:0.0567秒) [XML]

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What is “entropy and information gain”?

...: female | | ends-vowel=0: male length>=7 | length=5: male basically each node represent a test performed on a single attribute, and we go left or right depending on the result of the test. We keep traversing the tree until we reach a leaf node which contains the class prediction (m or f)...
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Tools for JPEG optimization? [closed]

Do you know of any tools (preferrably command-line) to automatically and losslessly optimize JPEGs that I could integrate into our build environment? For PNGs I'm currently using PNGOUT , and it generally saves around 40% bandwidth/image size. ...
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How do I match any character across multiple lines in a regular expression?

...P it is: /(.*)<FooBar>/s The s at the end causes the dot to match all characters including newlines. share | improve this answer | follow | ...
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URLEncoder not able to translate space character

... @congliu that's incorrect - you're probably thinking of replaceAll() which works with regex - replace() is simple character sequence replacement. – CupawnTae Sep 25 '13 at 13:57 ...
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Best way to get child nodes

...ference between childNodes and children, which is that childNodes contains all nodes, including text nodes consisting entirely of whitespace, while children is a collection of just the child nodes that are elements. That's really all there is to it. There is nothing unpredictable about either colle...
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How to print a number with commas as thousands separators in JavaScript

... console.log(`${failures} test(s) failed`); } else { console.log("All tests passed"); } .as-console-wrapper { max-height: 100% !important; } The regex uses 2 lookahead assertions: a positive one to look for any point in the string that has a multiple of 3 digits in a row...
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What is boilerplate code?

...her hand, anyone can say that it's a piece of reusable code. The term actually came from the steel industries. For a little bit of history, according to Wikipedia: In the 1890s, boilerplate was actually cast or stamped in metal ready for the printing press and distributed to newspapers around ...
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How to prevent robots from automatically filling up a form?

... to come up with a good enough anti-spamming mechanism to prevent automatically generated input. I've read that techniques like captcha, 1+1=? stuff work well, but they also present an extra step impeding the free quick use of the application (I'm not looking for anything like that please). ...
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What is the difference between currying and partial application?

...ints that other peoples examples of currying are not currying, but are actually just partial application. 14 Answers ...
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What does a Ajax call response like 'for (;;); { json data }' mean? [duplicate]

I found this kind of syntax being used on Facebook for Ajax calls. I'm confused on the for (;;); part in the beginning of response. What is it used for? ...