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lua和c/c++互相调用实例分析 - C/C++ - 清泛网 - 专注C/C++及内核技术

...te(void) ; //加载lua脚本文件 int luaL_loadfile(lua_State *L, const char *filename); lua和c/c++的数据交互通过"栈"进行 ,操作数据时,首先将数据拷贝到"栈"上,然后获取数据,栈中的每个数据通过索引值进行定位,索引值为正时表示相对于...
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各编程语言读写文件汇总 - C/C++ - 清泛网 - 专注C/C++及内核技术

...puts简单读写,一般用于处理文本文件。 int main(int argc, char* argv[]) { FILE *fp = NULL; /*打开文件*/ if((fp = fopen("test.txt", "w+")) == NULL) { printf("文件打开出错,请检查文件是否存在!\n"); return -1; } else { printf("文件已经...
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How to use the same C++ code for Android and iOS?

...laration that receives the desired text: #include <iostream> const char *concatenateMyStringWithCppString(const char *myString); And the CPP implementation: #include <string.h> #include "Core.h" const char *CPP_BASE_STRING = "cpp says hello to %s"; const char *concatenateMyStringW...
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What does 'COLLATE SQL_Latin1_General_CP1_CI_AS' do?

...e a SQL_Latin1_General_CI_AS. Rather, there is a Latin1_General_CI_AS. See SELECT * FROM fn_helpcollations() where name IN ('SQL_Latin1_General_CP1_CI_AS','Latin1_General_CI_AS','SQL_Latin1_General_CI_AS');. There are subtle differences regarding sorting and comparison as between the two collations....
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How to split a string in Haskell?

...n of words is, words :: String -> [String] words s = case dropWhile Char.isSpace s of "" -> [] s' -> w : words s'' where (w, s'') = break Char.isSpace s' So, change it for a function that takes a predicate: words...
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What are the mechanics of short string optimization in libc++?

...th: 1 bit goes to the long/short flag. 7 bits goes to the size. Assuming char, 1 byte goes to the trailing null (libc++ will always store a trailing null behind the data). This leaves 3 words minus 2 bytes to store a short string (i.e. largest capacity() without an allocation). On a 32 bit mach...
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Removing trailing newline character from fgets() input

... The slightly ugly way: char *pos; if ((pos=strchr(Name, '\n')) != NULL) *pos = '\0'; else /* input too long for buffer, flag error */ The slightly strange way: strtok(Name, "\n"); Note that the strtok function doesn't work as expected ...
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Command-line Unix ASCII-based charting / plotting tool

Is there a good command-line UNIX charting / graphing / plotting tool out there? I'm looking for something that will plot xy points on an ASCII graph. ...
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How to trim a string to N chars in Javascript?

...ted, i.e. it will return the string up to it's end if there are not enough characters for the given end! – centic Feb 11 '15 at 14:53 ...
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How to escape JSON string?

... edited Jun 6 '17 at 23:57 Richard Ev 47.6k5353 gold badges179179 silver badges271271 bronze badges answered Jan 30 '14 at 11:40 ...