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How to create a CPU spike with a bash command
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You need to EPEL repo for CentOS wget http://dl.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm
– Satish
Dec 16 '14 at 17:50
4
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.htaccess - how to force “www.” in a generic way?
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I would use this rule:
RewriteEngine On
RewriteCond %{HTTP_HOST} !=""
RewriteCond %{HTTP_HOST} !^www\. [NC]
RewriteCond %{HTTPS}s ^on(s)|
RewriteRule ^ http%1://www.%{HTTP_HOST}%{REQUEST_URI} [R=301,L]
The first condition checks whether the Host value is not empty (in case of ...
Uploading both data and files in one form using Ajax?
...pload data and files with one form using ajax.
PHP + HTML
<?php
print_r($_POST);
print_r($_FILES);
?>
<form id="data" method="post" enctype="multipart/form-data">
<input type="text" name="first" value="Bob" />
<input type="text" name="middle" value="James" />
...
How to refresh an IFrame using Javascript?
...here is currently (as of January 2013) a Chromium project bug (code.google.com/p/chromium/issues/detail?id=172859) which causes iframe updates to add to document history.
– Robert Altman
Apr 10 '13 at 16:58
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How to remove not null constraint in sql server using query
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What does `unsigned` in MySQL mean and when to use it?
...gative value?
If the answer is no, then you want an UNSIGNED data type.
A common mistake is to use a primary key that is an auto-increment INT starting at zero, yet the type is SIGNED, in that case you’ll never touch any of the negative numbers and you are reducing the range of possible id's to h...
nginx error “conflicting server name” ignored [closed]
... edited May 23 '17 at 12:26
Community♦
111 silver badge
answered Dec 23 '12 at 13:45
Omar Al-IthawiOmar ...
How to go back to previous opened file in Vim? [duplicate]
... can use gf to go to the file with name under/after cursor, is there any command to go back to the original file without relaunch vim to open it?
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Linux Shell中 if else及大于、小于、等于逻辑表达式写法 - C/C++ - 清泛网...
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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_cache
DAY=`date +"%Y-%m-%d %H:%M"`
NUM=`ls $DIR |wc -l`
DIRNAME=`l...