大约有 40,000 项符合查询结果（耗时：0.0493秒） [XML]
How to clear the interpreter console?
Like most Python developers, I typically keep a console window open with the Python interpreter running to test commands, dir() stuff, help() stuff , etc.
...
How many GCC optimization levels are there?
..., the default if no optimization level is specified)
-O1 (optimize minimally)
-O2 (optimize more)
-O3 (optimize even more)
-Ofast (optimize very aggressively to the point of breaking standard compliance)
-Og (Optimize debugging experience. -Og enables optimizations that do not interfere...
Timeout a command in bash without unnecessary delay
...y, Bash does not support floating point arithmetic (sleep does),
therefore all delay/time values must be integers.
EOF
}
# Options.
while getopts ":t:i:d:" option; do
case "$option" in
t) timeout=$OPTARG ;;
i) interval=$OPTARG ;;
d) delay=$OPTARG ;;
*) printUsage...
Code Golf: Lasers
...is sitting on top of now. Since the laser emitter is to be treated like a wall, set this to be a wall to begin with.
if (tr/v<^/>v</) {
my $o;
$o .= "\n" while s/.$/$o .= $&, ""/meg;
tr,/\\,\\/, for $o, $s;
$_ = $o;
}
If the laser beam is pointing any way except right, rotate...
MIN and MAX in C
Where are MIN and MAX defined in C, if at all?
14 Answers
14
...
.a: error adding symbols: File format not recognized 原因 - 操作系统(...
...版本Linux/GCC上编译工程时链接了高版本Linux/GCC上编译出来的库文件，导致不能识别报错。
一般地，高版本可以链接成功低版本的，反之则不能。
解决：apache2.service: Failed to run \'start\' task: No such file or d...
... file or directory。原因是：& 39; var tmp& 39;目录被删掉了导致的。mkdir var tmp 搞定。今天 systemctl reload apache2.service 重启apache2时，出现一个错误：apache2.service: Failed to run 'start' task: No such file or directory。
原因是：'/var/tmp'目录被删掉了...
2014年腾讯代码报告—累计代码行14亿 - 创意 - 清泛网 - 专注C/C++及内核技术
...C++语言稳坐冠军宝座，接近1.5亿行，而Object-C凭借iOS应用的强势而日益强盛。
另外，根据图表，腾讯的程序猿男女比例为9:1，男生每月3400行，女生每月2300行。就毕业院校而言，总代码行最多的5所高校为：华中科技大学、华南...
开心一刻 - 轻松一刻 - 清泛网 - 专注C/C++及内核技术
...前经济热点。小明：我家小区 那一带，一路上 全是炒股的。“一带一路”
老师：请用“一带一路”造句，切中当前经济热点。
小明：我家小区 那一带，一路上 全是炒股的。
开心一刻
我就这么想到了C# - 轻松一刻 - 清泛网 - 专注C/C++及内核技术
我就这么想到了C#今天一位同事问我新建文件夹的时候，能不能包含 字符于是，我就想到了C#。今天一位同事问我新建文件夹的时候，能不能包含“#”字符
于是，我就想到了C#。
C# .net