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Fastest way to flatten / un-flatten nested JSON objects

...d more speed out of your implementation by replacing the regex.exec() with string.split() and simplifying the key format. I'll give it a few days before I award you the pts, but I think the 'wall of meaningful optimization' has been reached. – Louis Ricci Oct 5...
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Turn a string into a valid filename?

I have a string that I want to use as a filename, so I want to remove all characters that wouldn't be allowed in filenames, using Python. ...
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What is the use of the %n format specifier in C?

... Oh my - this is a character-based version of computing the pixel size of string in a given font! – user3458 Aug 4 '10 at 12:41 ...
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Why do I get a segmentation fault when writing to a “char *s” initialized with a string literal, but

... Q: What is the difference between these initializations? char a[] = "string literal"; char *p = "string literal"; My program crashes if I try to assign a new value to p[i]. A: A string literal (the formal term for a double-quoted string in C source) can be used in two slightly ...
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Case-insensitive string comparison in C++ [closed]

What is the best way of doing case-insensitive string comparison in C++ without transforming a string to all uppercase or all lowercase? ...
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Discuz! X3 论坛标题字数突破80的限制 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...模板中写死的字符限制数: template\default\forum\post_editor_extra.htm (一共5处) 修改后代码: <div class="z"> <!--{if $_GET[action] == 'reply' && !empty($_GET['addtrade']) || $_GET[action] == 'edit' && $thread['special'] == 2 && !$postinfo['first']...
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What's the need of array with zero elements?

...u would use it like this: struct bts_action *var = kmalloc(sizeof(*var) + extra, GFP_KERNEL); This used to be not standard and was considered a hack (as Aniket said), but it was standardized in C99. The standard format for it now is: struct bts_action { u16 type; u16 size; u8 data...
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What is the strict aliasing rule?

...nts of buff could change at anytime from anywhere by anybody. So to get an extra performance edge, and assuming most people don't type-pun pointers, the strict aliasing rule was introduced. Keep in mind, if you think the example is contrived, this might even happen if you're passing a buffer to anot...
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.NET / C# - Convert char[] to string

What is the proper way to turn a char[] into a string? 7 Answers 7 ...
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SQL injection that gets around mysql_real_escape_string()

Is there an SQL injection possibility even when using mysql_real_escape_string() function? 4 Answers ...