大约有 35,470 项符合查询结果(耗时:0.0502秒) [XML]

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Android and XMPP: Currently available solutions [closed]

... 106 Smack Smack is a open-source XMPP client library. Since version 4.1 it runs natively on Android...
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Constant pointer vs Pointer to constant [duplicate]

...elf but the object pointed to by ptr shall not be modified. const int a = 10; const int* ptr = &a; *ptr = 5; // wrong ptr++; // right While int * const ptr; declares ptr a const pointer to int type. You are not allowed to modify ptr but the object pointed to by ptr can be modified. in...
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What's the best way to iterate over two or more containers simultaneously

... 10 Answers 10 Active ...
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How to append text to a text file in C++?

...:app); // append instead of overwrite outfile << "Data"; return 0; } share | improve this answer | follow | ...
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How do I get the current line number?

... 180 In .NET 4.5 / C# 5, you can get the compiler to do this work for you, by writing a utility metho...
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Check if string contains only whitespace

... | edited Jun 26 at 20:31 AMC 2,22866 gold badges1010 silver badges2828 bronze badges answered Mar ...
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What's the difference between console.dir and console.log?

...dir(/foo/); * /foo/ global: false ignoreCase: false lastIndex: 0 ... You can also see a clear difference with arrays (e.g., console.dir([1,2,3])) which are logged differently from normal objects: > console.log([1,2,3]) [1, 2, 3] > console.dir([1,2,3]) * Array[3] 0: 1 ...
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How to get URL parameter using jQuery or plain JavaScript?

... sPageURL.split('&'), sParameterName, i; for (i = 0; i < sURLVariables.length; i++) { sParameterName = sURLVariables[i].split('='); if (sParameterName[0] === sParam) { return sParameterName[1] === undefined ? true : decodeURIComponent(sParamet...
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Wrap long lines in Python [duplicate]

... def fun(): print(('{0} Here is a really long ' 'sentence with {1}').format(3, 5)) Adjacent string literals are concatenated at compile time, just as in C. http://docs.python.org/reference/lexical_analysis.html#string-literal-concate...
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Is there a standard function to check for null, undefined, or blank variables in JavaScript?

...l evaluate to true if value is not: null undefined NaN empty string ("") 0 false The above list represents all possible falsy values in ECMA-/Javascript. Find it in the specification at the ToBoolean section. Furthermore, if you do not know whether a variable exists (that means, if it was decla...