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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...
...门这一篇就够了！nginx_basenginx 基础配置，包括ssl配置，http自动转https配置，自动加www的配置。
1、基础配置如下：
server {
listen 80;
listen [::]:80;
location / {
rewrite ^(.*)$ https://www.tsingfun.com$1 permanent;
}
}
server {
listen 443 ss...
Amazon EC2, mysql aborting start because InnoDB: mmap (x bytes) failed; errno 12
...P space:
$ swapon -s
$ free -k
$ swapoff -a
$ swapon -a
References:
http://www.thegeekstuff.com/2010/08/how-to-add-swap-space/
http://cloudstory.in/2012/02/getting-the-best-out-of-amazon-ec2-micro-instances/
http://cloudstory.in/2012/02/adding-swap-space-to-amazon-ec2-linux-micro-instance-to-...
What is an unsigned char?
... +1. But there are four distinct character types in C++, wchar_t is one of them.
– Eric Z
Aug 24 '13 at 9:19
12
...
SPA best practices for authentication and session management
...n this is famous, but the lessons contained therein are pretty important:
https://www.nccgroup.trust/us/about-us/newsroom-and-events/blog/2011/august/javascript-cryptography-considered-harmful/
To summarize:
A man-in-the-middle attack can trivially replace your crypto code with <script>
f...
Android Lint contentDescription warning
...
Another option is to suppress the warning individually:
xmlns:tools="http://schemas.android.com/tools" (usually inserted automatically)
tools:ignore="contentDescription"
Example:
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas....
What is an abstract class in PHP?
...mpose requirements upon the exhibiting class.
Example below :
class Non_Abstract_Class
{
abstract protected function getValue();
public function printOut() {
echo "Hello how are you?";
}
}
$obj=new Non_Abstract_Class();
$obj->printOut();
//Fatal error: Class Non_Abstract_...
Android: How can I validate EditText input?
... edited May 23 '17 at 11:47
Community♦
111 silver badge
answered May 18 '10 at 9:28
NiksNiks
...
What are the differences between a HashMap and a Hashtable in Java?
...re using Hashtable.
Since synchronization is not an issue for you, I'd recommend HashMap. If synchronization becomes an issue, you may also look at ConcurrentHashMap.
share
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improve this answer
...
Retrieving the output of subprocess.call() [duplicate]
...derr, stdout, and/or stdin parameters and read from the pipes by using the communicate() method:
from subprocess import Popen, PIPE
p = Popen(['program', 'arg1'], stdin=PIPE, stdout=PIPE, stderr=PIPE)
output, err = p.communicate(b"input data that is passed to subprocess' stdin")
rc = p.returncode
...
Python Flask Intentional Empty Response
...
You are responding to a request, your HTTP server must return something. The HTTP 'empty response' response is 204 No Content:
return ('', 204)
Note that returning a file to the browser is not an empty response, just different from a HTML response.
...