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Different floating point result with optimization enabled - compiler bug?
...finite precision, or if you were working with a device that used a decimal-based rather than binary-based floating point representation. But, you aren't. Most computers use the binary IEEE floating point standard.
As Maxim Yegorushkin already noted in his answer, part of the problem is that intern...
Quora如何在快速开发中保持高品质代码 - 项目管理 - 清泛网 - 专注C/C++及内核技术
...降低因维护高质量代码而产生的间接成本。
注重代码库编码一致性——虽就局部而言，有的代码还可以更好，但保持整个代码库的一致性仍然有意义。代码风格不一会加大阅读和理解难度（见第一点），编写及使用自动工具优...
Simplest two-way encryption using PHP
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Since PHP 7 the mcrypt function is remove from php codebase. So when using the latest version of php (which should be standard) you are not able to use this deprecated function anymore.
– Alexander Behling
Sep 12 '19 at 13:09
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Missing include “bits/c++config.h” when cross compiling 64 bit program on 32 bit in Ubuntu
...it version of Ubuntu 10.10 and trying to cross compile to a 64 bit target. Based on my research, I have installed the g++-multilib package.
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Swift Beta performance: sorting arrays
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static const uint64_t NANOS_PER_SEC = 1000ULL * NANOS_PER_MSEC;
mach_timebase_info_data_t timebase_info;
uint64_t abs_to_nanos(uint64_t abs) {
if ( timebase_info.denom == 0 ) {
(void)mach_timebase_info(&timebase_info);
}
return abs * timebase_info.numer / timebase_info.de...
Hexadecimal To Decimal in Shell Script
... external program:
With bash:
$ echo $((16#FF))
255
with bc:
$ echo "ibase=16; FF" | bc
255
with perl:
$ perl -le 'print hex("FF");'
255
with printf :
$ printf "%d\n" 0xFF
255
with python:
$ python -c 'print(int("FF", 16))'
255
with ruby:
$ ruby -e 'p "FF".to_i(16)'
255
with node....
64-bit version of Boost for 64-bit windows
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Can't start Eclipse - Java was started but returned exit code=13
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Your version of Eclipse is 64-bit, based on the paths and filenames.
However, the version of Java that it's picking up is 32-bit, as indicated by where it is coming from, on this line:
-vm C:\Program Files (x86)\Java\jre7\bin\javaw.exe
Program Files (x86) i...
Conditionally use 32/64 bit reference when building in Visual Studio
...d script that copies apropriate DLLs (x86/x64) into the referenced folder, based on $(PlatformName).
xcopy /s /e /y "$(SolutionDir)..\component\v3_NET4\$(PlatformName)\*" "$(SolutionDir)..\component\v3_NET4"
Works for me.
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How to printf uint64_t? Fails with: “spurious trailing ‘%’ in format”
...0;
fmt::print("test uint64_t : {}\n", ui64);
}
The formatting facility based on this library is proposed for standardization in C++20: P0645.
Disclaimer: I'm the author of {fmt}.
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