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How do I change bash history completion to complete what's already on the line?
...Readline library.
#
# Arrow keys in keypad mode
#
"\C-[OD" backward-char
"\C-[OC" forward-char
"\C-[OA" previous-history
"\C-[OB" next-history
#
# Arrow keys in ANSI mode
#
"\C-[[D" backward-char
"\C-[[C" forward-char
"\C-[[A" previous-history
"\C-[[B...
Best implementation for hashCode method for a collection
...has only one multiplier, while non-prime has at least two. That creates an extra combination for multiplication operator to result the same hash, i.e. cause collision.
– dma_k
Feb 15 '13 at 14:08
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How to convert byte array to string and vice versa?
I have to convert a byte array to string in Android, but my byte array contains negative values.
22 Answers
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How much is too much with C++11 auto keyword?
...se auto everywhere you can". Does this mean I should write auto str = std::string(); instead of std::string str;?
– Calmarius
Mar 23 '19 at 18:42
5
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Which iomanip manipulators are 'sticky'?
I recently had a problem creating a stringstream due to the fact that I incorrectly assumed std::setw() would affect the stringstream for every insertion, until I changed it explicitly. However, it is always unset after the insertion.
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How to print time in format: 2009‐08‐10 18:17:54.811
...ot want the space between the day and hour, just remove it from the format string.
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Boolean Field in Oracle
... guess i should say double length twos complement floating point), Binary, string, etc. all assume a value is provided but database implementations always add a null value option Boolean isn't any different
– MikeT
Oct 7 '13 at 8:50
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How do you determine the size of a file in C?
...is:
#include <sys/stat.h>
#include <sys/types.h>
#include <string.h>
#include <stdio.h>
#include <errno.h>
off_t fsize(const char *filename) {
struct stat st;
if (stat(filename, &st) == 0)
return st.st_size;
fprintf(stderr, "Cannot determine ...
[since C++11] std::array的使用 - C/C++ - 清泛网 - 专注C/C++及内核技术
...。array的出现代表着C++的代码更进一步现代化，就像std::string的出现代替了c风格字符串并且能和STL配合工作一样，array的 #前言
本文总结了STL中的序列式容器array的用法及注意事项。array的出现代表着C++的代码更进一步“现代...
Unicode Processing in C++
...Make sure you are always using your unicode library for mundane tasks like string length, capitalization status, etc. Never use standard library builtins like is_alpha unless that is the definition you want.
I can't say it enough: never iterate over the indices of a string if you care about correctn...