大约有 30,000 项符合查询结果(耗时:0.0516秒) [XML]

https://stackoverflow.com/ques... 

How to configure postgresql for the first time?

I have just installed postgresql and I specified password x during installation. When I try to do createdb and specify any password I get the message: ...
https://stackoverflow.com/ques... 

Apache VirtualHost 403 Forbidden

...ite must run under domain www.mytest.com . I always get a 403 Forbidden error. I am on Ubuntu 10.10 server edition. The doc root is under dir /var/www . The following are my settings: ...
https://stackoverflow.com/ques... 

Floating point vs integer calculations on modern hardware

...; # else struct timeval tv; if(gettimeofday(&tv, 0) < 0) { perror("oops"); } return (double)tv.tv_sec + (0.000001 * (double)tv.tv_usec); # endif } template< typename Type > void my_test(const char* name) { Type v = 0; // Do not use constants or repeating values // t...
https://www.tsingfun.com/it/cpp/762.html 

Linux Shell中 if else及大于、小于、等于逻辑表达式写法 - C/C++ - 清泛网...

....tgz" cd /data/nginx/logs if [ -f "$FILE" ];then echo "OK" else echo "error $FILE" > error.log mail -s "$FILE backup fail" test@tsingfun.com <error.log fi 2、清除相关文件,并按时间段记录日志 #!/bin/sh # 清除相关文件,并按时间段记录日志 # DIR=/data/img_c...
https://stackoverflow.com/ques... 

What is more efficient? Using pow to square or just multiply it with itself?

...clear. – KillianDS May 30 '10 at 23:05 41 Excess use of bold and italics, not easy on the eyes. ...
https://stackoverflow.com/ques... 

Java string to date conversion

...ormat.parse – drorw Jun 4 '18 at 16:05 ...
https://stackoverflow.com/ques... 

Search and replace in Vim across all the project files

...eral times on a same line (g flag) with user confirmation (c flag) without error if no pattern found (e flag) :cnf ⇒ jump to next file in the list created by the vim command q ⇒ stop recording macro 1000@a ⇒ play macro stored in register a 1000 times :wa ⇒ save all modified buffers * EDIT...
https://stackoverflow.com/ques... 

How to recursively find and list the latest modified files in a directory with subdirectories and ti

...made the following changes (to the 'fast' one) so I didn't have to see the errors in my final output. find ${1} -type f | xargs stat --format '%Y :%y %n' 2>/dev/null | sort -nr | cut -d: -f2- – TJ L Dec 14 '12 at 14:13 ...
https://stackoverflow.com/ques... 

How to flip windows in vim? [duplicate]

If I have 2 horizontally split windows, how to rotate them to get 2 vertically split windows? 4 Answers ...
https://stackoverflow.com/ques... 

python setup.py uninstall

...ws.s3==0.1.1dev ttr.aws.utils.s3==0.3.0 ttr.utcutils==0.1.1dev Edit 2015-05-20 All what is written above still applies, anyway, there are small modifications available now. Install pip in python 2.7.9 and python 3.4 Recent python versions come with a package ensurepip allowing to install pip ev...