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How to convert an entire MySQL database characterset and collation to UTF-8?

...ytes, so MySQL converts the data type to MEDIUMTEXT, which is the smallest string type for which the length bytes can record a value of 196,605. Similarly, a VARCHAR column might be converted to MEDIUMTEXT." Changing the Character Set – jabbascript Oct 21 '19 a...
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node.js execute system command synchronously

...re("node-ffi"); var libc = new FFI.Library(null, { "system": ["int32", ["string"]] }); var run = libc.system; run("echo $USER"); [EDIT Jun 2012: How to get STDOUT] var lib = ffi.Library(null, { // FILE* popen(char* cmd, char* mode); popen: ['pointer', ['string', 'string']], // voi...
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深入浅出计算机字符集编码 - C/C++ - 清泛网 - 专注C/C++及内核技术

...台采用的是JAVA编程,问题便很容易解决直接用destStr = new String(sourceStr.getByte(“UTF-8”), “EUC-JP”)就可以进行编码的转换,不过C++就没那么幸运了,除非按照一定的逻辑自行实现一套编码转换的方法,当然从各方面限制来看是不...
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LINQ Aggregate algorithm explained

...6. Then adds 6 and 4 to make 10. Example 2. create a csv from an array of strings var chars = new []{"a","b","c", "d"}; var csv = chars.Aggregate( (a,b) => a + ',' + b); Console.WriteLine(csv); // Output a,b,c,d This works in much the same way. Concatenate a a comma and b to make a,b. Then co...
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Does C have a “foreach” loop construct?

... GNU C99. #include <stdio.h> #include <stdlib.h> #include <string.h> #include <stdbool.h> #define FOREACH_COMP(INDEX, ARRAY, ARRAY_TYPE, SIZE) \ __extension__ \ ({ \ bool ret = 0; \ if (__builtin_types_compatible_p (const char*, ARRAY_TYPE)) \ ret = INDEX ...
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Converting bool to text in C++

...s is a dumb question, but is there any way to convert a boolean value to a string such that 1 turns to "true" and 0 turns to "false"? I could just use an if statement, but it would be nice to know if there is a way to do that with the language or standard libraries. Plus, I'm a pedant. :) ...
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What is the difference between const and readonly in C#?

...nforce this. The runtime also happens not to enforce that you don't change string.Empty to "Hello, world!", but I still wouldn't claim that this makes string.Empty modifiable, or that code shouldn't assume that string.Empty will always be a zero-length string. – user743382 ...
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Why declare a struct that only contains an array in C?

... You can use struct to make a new type of data like string. you can define : struct String { char Char[MAX]; }; or you can create a List of data that you can use it by argument of functions or return it in your methods. The struct is more flexible than an array, because...
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Use String.split() with multiple delimiters

I need to split a string base on delimiter - and . . Below are my desired output. 13 Answers ...
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What's the best way to check if a file exists in C?

...e file exists. Stat() can have a large overheard if you don't need all the extra info. – Martin Beckett Oct 23 '08 at 15:16 4 ...