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How do I use valgrind to find memory leaks?

...ok at the C code I wrote too: #include <stdlib.h> int main() { char* string = malloc(5 * sizeof(char)); //LEAK: not freed! return 0; } Well, there were 5 bytes lost. How did it happen? The error report just says main and malloc. In a larger program, that would be seriously trouble...
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Find the nth occurrence of substring in a string

... risk here of course is that the string to search for will contain special characters that will cause the regex to do something you didn't want. Using re.escape should solve this. – Mark Byers Dec 10 '09 at 21:43 ...
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Meaning of acronym SSO in the context of std::string

... a pointer to the free store ("the heap"), which gives similar performance characteristics as if you were to call new char [size]. This prevents a stack overflow for very large strings, but it can be slower, especially with copy operations. As an optimization, many implementations of std::string cre...
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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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INT 10H 中断介绍 - C/C++ - 清泛网 - 专注C/C++及内核技术

...始行列   BH = 页号   AL = 0,BL = 属性   串:Charchar,……,char   AL = 1,BL = 属性   串:Charchar,……,char   AL = 2   串:Char,attr,……,char,attr   AL = 3   串:Char,attr,……,char...
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How to increment a pointer address and pointer's value?

... ---------- let me give an example, this might help; char **str; str = (char **)malloc(sizeof(char*)*2); // allocate mem for 2 char* str[0]=(char *)malloc(sizeof(char)*10); // allocate mem for 10 char str[1]=(char *)malloc(sizeof(char)*10); // allocate m...
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Is there a limit to the length of a GET request? [duplicate]

... as there is no specified limit in the RFC. It'd be safe to use up to 2000 characters (IE's limit.) If you are anywhere near this length, you should make sure you really need URIs that long, maybe an alternative design could get around that. URIs should be readable, even when used to send data. ...
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Convert a char to upper case using regular expressions (EditPad Pro)

...ssion in hope that I will be able to replace every match (that is just one char) to upper case char. I am using EditPad Pro (however I am willing to use any other tool that would allow me to do this, as long as it is free to try, since I only need to do this once). ...
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How to profile a bash shell script slow startup?

...e set -x later and set +x earlier (or bracket several sections of interest selectively). Although it's not as fine-grained as GNU date's nanoseconds, Bash 5 includes a variable which gives the time in microseconds. Using it saves you from spawning an external executable for every line and works on ...
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Regular expression to match a word or its prefix

... Because the person who posted the question selected the first answer that came in, and didn't bother to switch to mine when my vastly superior answer came in later. You can ask the questioner via comment under the question to change their answer selection to this one...