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Linux iptables防火墙开放mysql、apache的端口 - 操作系统(内核) - 清泛网 ...
Linux iptables防火墙开放mysql、apache的端口vi etc sysconfig iptables 修改配置，添加两条tcp端口允许的记录：[root@iZ23rlmiwviZ ~] cat etc sysconfig iptables sample configuration for iptables service vi /etc/sysconfig/iptables 修改配置，添加两条tcp端口允许...
nginx 基础配置全攻略，入门这一篇就够了！ - 更多技术 - 清泛网 - 专注C/C...
...ingfun.com$1 permanent;
}
# ssl证书地址
ssl_certificate /etc/nginx/ssl/www.tsingfun.com.pem; # pem文件的路径
ssl_certificate_key /etc/nginx/ssl/www.tsingfun.com.key; # key文件的路径
root /var/www/html;
index index.html index.htm;
location / {
proxy_pass ...
How can mixed data types (int, float, char, etc) be stored in an array?
... it has many names (kind of like dictionaries, hashes, associative arrays, etc.).
– Barmar
Sep 2 '13 at 17:40
...
How to set the JDK Netbeans runs on?
... (replace 7.x with your Netbeans version) :
C:\Program Files\NetBeans 7.x\etc\netbeans.conf
Change the following line to point it where your java installation is :
netbeans_jdkhome="C:\Program Files\Java\jdk1.7xxxxx"
You may need Administrator privileges to edit netbeans.conf
...
Using GPU from a docker container?
...1E9
$ sudo sh -c "echo deb https://get.docker.com/ubuntu docker main > /etc/apt/sources.list.d/docker.list"
$ sudo apt-get update && sudo apt-get install lxc-docker
Find your nvidia devices
ls -la /dev | grep nvidia
crw-rw-rw- 1 root root 195, 0 Oct 25 19:37 nvidia0
crw-rw-rw- ...
What is the difference between linear regression and logistic regression?
...nature. For instance, yes/no, true/false, red/green/blue,
1st/2nd/3rd/4th, etc.
Linear regression is used when your response variable is continuous. For instance, weight, height, number of hours, etc.
Equation
Linear regression gives an equation which is of the form Y = mX + C,
means equation w...
mysql_fetch_array()/mysql_fetch_assoc()/mysql_fetch_row()/mysql_num_rows etc… expects parameter 1 to
...been removed in php version 7.
Check $result before passing it to mysql_fetch_array. You'll find that it's false because the query failed. See the mysql_query documentation for possible return values and suggestions for how to deal with them.
$username = mysql_real_escape_string($_POST['username'...
C: Run a System Command and Get Output? [duplicate]
... want the "popen" function. Here's an example of running the command "ls /etc" and outputing to the console.
#include <stdio.h>
#include <stdlib.h>
int main( int argc, char *argv[] )
{
FILE *fp;
char path[1035];
/* Open the command for reading. */
fp = popen("/bin/ls /etc/"...
Is there a command to list all Unix group names? [closed]
I know there is the /etc/group file that lists all users groups.
3 Answers
3
...
Can you run GUI applications in a Docker container?
... echo "deb http://archive.ubuntu.com/ubuntu precise main universe" > /etc/apt/sources.list
RUN apt-get update
# Install vnc, xvfb in order to create a 'fake' display and firefox
RUN apt-get install -y x11vnc xvfb firefox
RUN mkdir ~/.vnc
# Setup a password
RUN x11vnc -storepass...