大约有 41,000 项符合查询结果(耗时:0.0340秒) [XML]

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Single quotes vs. double quotes in C or C++

...s also implement an extension, that allows multi-character constants. The C99 standard says: 6.4.4.4p10: "The value of an integer character constant containing more than one character (e.g., 'ab'), or containing a character or escape sequence that does not map to a single-byte execution ...
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HTTP status code for a partial successful request

...tatus xmlns:D='DAV:'> <D:response> <D:user>user-123</D:user> <D:status>success</D:status> </D:response> <D:response> <D:user>user-789</D:user> <D:status>failure</D:status> </D:resp...
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What is the most efficient way to deep clone an object in JavaScript?

...e(JSON.stringify(object)) const a = { string: 'string', number: 123, bool: false, nul: null, date: new Date(), // stringified undef: undefined, // lost inf: Infinity, // forced to 'null' re: /.*/, // lost } console.log(a); console.log(typeof a.date); // Date obje...
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Check synchronously if file/directory exists in Node.js

... 123 Looking at the source, there's a synchronous version of path.exists - path.existsSync. Looks ...
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How do I verify/check/test/validate my SSH passphrase?

... 123 You can verify your SSH key passphrase by attempting to load it into your SSH agent. With Open...
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Splitting string into multiple rows in Oracle

...racle's database object naming conventions. It will hurl on a string like '123,456,789' for instance. – APC Jan 23 '18 at 7:09 add a comment  |  ...
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How to handle initializing and rendering subviews in Backbone.js?

...ers:</div> <div id="phone_numbers"> <div>#1: 123-456-7890</div> <div>#2: 456-789-0123</div> </div> </div> Hopefully it's pretty obvious how the HTML matches up with the diagram. The ParentView holds 2 child views, InfoView a...
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Match multiline text using regular expression

...ntire string. Pattern p = Pattern.compile("xyz"); Matcher m = p.matcher("123xyzabc"); System.out.println(m.find()); // true System.out.println(m.matches()); // false Matcher m = p.matcher("xyz"); System.out.println(m.matches()); // true Furthermore, MULTILINE doesn't mean what you think it d...
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Is PowerShell ready to replace my Cygwin shell on Windows? [closed]

... 123 grep Select-String cmdlet and -match operator work with regexes. Also you can directly ma...
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bool to int conversion

...ted to one. As for C, as far as I know there is no bool in C. (before 1999) So bool to int conversion is relevant in C++ only. In C, 4<5 evaluates to int value, in this case the value is 1, 4>5 would evaluate to 0. EDIT: Jens in the comment said, C99 has _Bool type. bool is a macro defi...