大约有 11,642 项符合查询结果（耗时：0.0195秒） [XML]
Convert string to nullable type (int, double, etc…)
...ately, much of the data is in strings, where it should be int's or double, etc...
16 Answers
...
Apache shows PHP code instead of executing it
...able php! Check the folder mods-enabled in the Apache directory (default: /etc/apache2/) to see if you find a file named php. I don't remember the extension but I think it's .so.
Also check in /var/log/apache2/error.log to see if you have any other errors.
...
How to see log files in MySQL?
...yslog).
To Enable them just follow below steps:
step1: Go to this file (/etc/mysql/conf.d/mysqld_safe_syslog.cnf) and remove or comment those line.
step2: Go to mysql conf file (/etc/mysql/my.cnf) and add following lines
To enable error log add following
[mysqld_safe]
log_error=/var/log/mysql/...
Run automatically program on startup under linux ubuntu [closed]
...
sudo mv /filename /etc/init.d/
sudo chmod +x /etc/init.d/filename
sudo update-rc.d filename defaults
Script should now start on boot. Note that this method also works with both hard links and symbolic links (ln).
Edit
At this point in the bo...
How to check for file existence [duplicate]
...rry chris you are wrong true and false => false ` >> File.file?('/etc/passwd') => true >> File.file?('/etc/') => false >> File.exists?('/etc/') => true >> File.exists?('/etc/passwd') => true >> File.file?('/etc/passwd') and File.exists?('/etc/passwd')`
...
Disable password authentication for SSH [closed]
...
In file /etc/ssh/sshd_config
# Change to no to disable tunnelled clear text passwords
#PasswordAuthentication no
Uncomment the second line, and, if needed, change yes to no.
Then run
service ssh restart
...
如何让Finder显示出根目录的/usr和/etc等隐藏文件夹 - 更多技术 - 清泛网 -...
如何让Finder显示出根目录的/usr和/etc等隐藏文件夹两种方法都可以，好坏自己体会：方法一：终端输入：defaults write com.apple.finder AppleShowAllFiles TRUE2 killall Finder同理将...两种方法都可以，好坏自己体会：
方法一：
终端输入：
...
How can I tell where mongoDB is storing data? (its not in the default /data/db!)
...
@user2384994 mine was located at /etc/mongod.conf
– basickarl
Mar 28 '15 at 2:44
1
...
iReport not starting using JRE 8
... Extract the iReport and in the extracted folder that contains the bin and etc folders throw in the jre. For example if you unpack twice the jre-7u67-windows-x64.tar.gz you end up with a folder named jre1.7.0_67. Put that folder in the iReport-5.6.0 directory:
and then go into the etc folder and ...
Node.js + Nginx - What now?
... is what I have done in my Ubuntu box:
Create the file yourdomain.com at /etc/nginx/sites-available/:
vim /etc/nginx/sites-available/yourdomain.com
In it you should have something like:
# the IP(s) on which your node server is running. I chose port 3000.
upstream app_yourdomain {
server 12...