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Creating C formatted strings (not printing them)

...ee snprintf for a safer version). A terminating null character is automatically appended after the content. After the format parameter, the function expects at least as many additional arguments as needed for format. Parameters: str Pointer to a buffer where the resulting C-string is stored. The ...
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MongoDB数据导出导入工具:mongoexport,mongoimport - 大数据 & AI - 清泛...

...个students集合,集合中数据如下: > db.students.find() { "_id" : ObjectId("5031143350f2481577ea81e5"), "classid" : 1, "age" : 20, "name" : "kobe" } { "_id" : ObjectId("5031144a50f2481577ea81e6"), "classid" : 1, "age" : 23, "name" : "nash" } { "_id" : ObjectId("5031145a50f2481577ea81...
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Why does @foo.setter in Python not work for me?

...operty def x(self): print 'called getter' return self._x @x.setter def x(self, value): print 'called setter' self._x = value It works: >>> k = testDec() >>> k.x called getter Traceback (most recent call last): File "<stdin>"...
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Why are function pointers and data pointers incompatible in C/C++?

...ry but C doesn't limit itself to only certain types of architectures if at all possible. share | improve this answer | follow | ...
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How can I scale an image in a CSS sprite

...http://css-tricks.com/css-sprites/ , it talks about how can I crop off a smaller image from 1 bigger image. Can you please tell me if it is possible/how I can crop off a smaller image and then scale the cropped off region before I lay it out? ...
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Insert, on duplicate update in PostgreSQL?

...it would be much slower, because each upsert would be its' own individual call into the database. – baash05 Mar 1 '12 at 0:27 ...
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Ruby : How to write a gem? [closed]

...r Ruby and make it available as a gem. What are the tools, steps and pitfalls ? Are there any good tutorials, screencasts, etc., which helped you learning how to do it ? ...
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libunwind链接时报错:undefined reference to `_Ux86_64_init_local\' - ...

libunwind链接时报错:undefined reference to `_Ux86_64_init_local'编译安装libunwind后,代码编译链接时报错:undefined reference to `_Ux86_64_init_local& 39;,链接选项加了 -lunwind,仍然报错。原因:编译出来的libunwind拆分成了很多个 编译安装libunwi...
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How do I tidy up an HTML file's indentation in VI?

How do I fix the indentation of his huge html files which was all messed up? 11 Answers ...
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GCC compile error with >2 GB of code

...inv2 - 32*s.x12pow2*s.x15*s.x35*s.x45*s.mWpowinv2 -... right? If all your functions have a similar "format" (multiply n numbers m times and add the results - or something similar) then I think you can do this: change the generator program to output offsets instead of strings (i.e. instea...