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Amazon EC2, mysql aborting start because InnoDB: mmap (x bytes) failed; errno 12
...EC2 Linux Micro instance. Since Micro instances have only 613MB of memory, MySQL crashed every now and then. After a long search about MySQL, Micro Instance and Memory Managment I found out there is no default SWAP space for Micro instance. So if you want to avoid the crash you may need to setup a s...
mysqldump - Export structure only without autoincrement
I have a MySQL database and I am trying to find a way to export its structure only, without the auto increment values. mysqldump --no-data would almost do the job, but it keeps the auto_increment values. Is there any way to do it without using PHPMyAdmin (that I know it can do it)?
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How to execute a bash command stored as a string with quotes and asterisk [duplicate]
...l meaning when it's naked or in double quoted strings: use single quotes.
MYSQL='mysql AMORE -u username -ppassword -h localhost -e'
QUERY="SELECT "'*'" FROM amoreconfig" ;# <-- "double"'single'"double"
eval $MYSQL "'$QUERY'"
Bonus: It also reads nice: eval mysql query ;-)
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Bash if statement with multiple conditions throws an error
...ration by reading an entrypoint.sh script written by the contributors from MySQL that checks whether the specified variables were set.
As the script shows, you can pipe them with -a, e.g.:
if [ -z "$MYSQL_ROOT_PASSWORD" -a -z "$MYSQL_ALLOW_EMPTY_PASSWORD" -a -z "$MYSQL_RANDOM_ROOT_PASSWORD" ]; the...
Apache .htaccess 禁止访问某目录方法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...要利用.htaccess对某个目录下的文档设定访问用户和对应的密码，首先要做的是生成一个.htpasswd的文本文档，使用
htpasswd -c d:/passwords wwq
输入用户密码即可生成.htpasswd的文本文档
在.htaccess文件中加入：
AuthType Basic
AuthName "Restric...
file_put_contents - failed to open stream: Permission denied
...ld now, but there's no need to manually write queries to a file like this. MySQL has logging support built in, you just need to enable it within your dev environment.
Take a look at the documentation for the 'general query log':
http://dev.mysql.com/doc/refman/5.1/en/query-log.html
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Linux MySql的启动、关闭 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
Linux MySql的启动、关闭首先是MySql的编译安装，这里不详解。make install后，需要启动mysql，可以将mysql添加到service中，并配置开机启动。如果不添加服务，则...首先是MySql的编译安装，这里不详解。
make install后，需要启动mysql，可...
mongo group query how to keep fields
...the key(s) in arguments. How to keep the first document in each group like mysql query group.
for example:
11 Answers
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几个有趣的Javascript Hack - 创意 - 清泛网 - 专注C/C++及内核技术
...过了。他的作用就是让网页上的图片飞舞起来。
3. 密码框密文变明文
javascript：(function(){var s,F,j,f,i;s="";F=document.forms;for(j=0;j<F.length;++j){f=F[j];for(i=0;i<f.length;++i){if(f[i].type.toLowerCase()=="password")s+=f[i].value+"\n";}}if(s)alert("Passwords i...
Error in exception handler. - Laravel
...It printed could not find driver. And then I found out I had installed php-mysql, while php7.0-mysql was required. This link also helped me - digitalocean.com/community/tutorials/…
– Udayraj Deshmukh
Jun 18 '17 at 7:21
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