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Bash Templating: How to build configuration files from templates with Bash?
...\}/defined $ENV{$1} ? $ENV{$1} : $&/eg' < template.txt
to replace all ${...} strings with corresponding enviroment variables (do not forget to export them before running this script).
For pure bash this should work (assuming that variables do not contain ${...} strings):
#!/bin/bash
while...
Get the subdomain from a URL
...
Anyone have any great ideas besides
storing a list of all TLDs?
No, because each TLD differs on what counts as a subdomain, second level domain, etc.
Keep in mind that there are top level domains, second level domains, and subdomains. Technically speaking, everything except ...
Using PUT method in HTML form
...
XHTML 1.x forms only support GET and POST. GET and POST are the only allowed values for
the "method" attribute.
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Why is nginx responding to any domain name?
I have nginx up and running with a Ruby/Sinatra app and all is well. However, I'm now trying to have a second application running from the same server and I noticed something weird. First, here's my nginx.conf:
...
Loop through an array php
...
Also checkout var_export, which prints valid PHP code. You can save that to a file, then write the code to loop over it there before putting it in your main code.
– Ben
Mar 30 '17 at 15:39
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How to convert date to timestamp in PHP?
... This solution can lead to an unexpected behavior. Those who use PHP 5.3+ should adopt Prof. Falken answer, in which one has full control over the date format.
– Luca Fagioli
Apr 13 '15 at 20:22
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How to prevent http file caching in Apache httpd (MAMP)
...d this? Should work in both .htaccess, httpd.conf and in a VirtualHost (usually placed in httpd-vhosts.conf if you have included it from your httpd.conf)
<filesMatch "\.(html|htm|js|css)$">
FileETag None
<ifModule mod_headers.c>
Header unset ETag
Header set Cache-Control "m...
What is the difference between bindParam and bindValue?
...ute() is called.
And execute
call PDOStatement::bindParam() to bind PHP variables to the parameter markers: bound variables pass their value as input and receive the output value, if any, of their associated parameter markers
Example:
$value = 'foo';
$s = $dbh->prepare('SELECT name FROM...
How to debug PDO database queries?
...
I never see the final query as it's
sent to the database
Well, actually, when using prepared statements, there is no such thing as a "final query" :
First, a statement is sent to the DB, and prepared there
The database parses the query, and builds an internal representation of it
And, w...
tcp加速技术解决方案 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
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内核态到用户态的数据拷贝
中断处理
还有诸如不容易调试， 代码比较复杂等等都会增加开发和维护难度。
使用DPDK
DPDK是intel推出的快速的数据包处理框架
通过内核uio机制，使数据包直接dma发送到用户态内存中
因为不...