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Hidden Features of MySQL
... access. For example:
--datadir will specify the data directory and
--skip-innodb will turn off the inno option and save you 10-20M
More here
http://dev.mysql.com/tech-resources/articles/mysql-c-api.html
Download Chapter 7 - Free
InnoDB is transactional but there is a performance overhead that...
Create an index on a huge MySQL production table without table locking
...SQL is really, really stupid about this (and a few other things).
Test Script:
(
for n in {1..50}; do
#(time mysql -uroot -e 'select * from website_development.users where id = 41225\G'>/dev/null) 2>&1 | grep real;
(time mysql -uroot -e 'update website_development.users set...
What is Node.js? [closed]
...pose you have a Node.js program that does a variety of tasks, listens on a TCP port for commands, encodes some images, whatever. With five lines of code, you can add in an HTTP based web management portal that shows the current status of active tasks. This is EASY to do:
var http = require('http');...
Dokan虚拟磁盘开发实战 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...的单元文件里，连接远程服务端则采用IndyTCPClient实现，传输采用了JSON，以便于和服务端的Python脚本通讯。
附录部分是实现的代码，Dokan.pas及superobject.pas等代码请自己搜索下载。
附录（代码部分）：
//Mirror Drive （从 Mirror Dri...
Daylight saving time and time zone best practices [closed]
...Perl, use DateTime.
If using Python, use pytz or dateutil.
If using JavaScript, use moment.js with the moment-timezone extension.
If using PHP > 5.2, use the native time zones conversions provided by DateTime, and DateTimeZone classes. Be careful when using DateTimeZone::listAbbreviations() - see...
RESTful Authentication
...REST. Since we allow communication not only over HTTP/1.1, but also named pipes or GDI messages (locally), we tried to implement a truly RESTful authentication pattern, and not rely on HTTP specificity (like header or cookies).
Later Note: adding a signature in the URI can be seen as bad practice (...
Cross-browser testing: All major browsers on ONE machine
...ly outdated. For this reason, I refer to Usage share of web browsers on Wikipedia, and the following sites for the latest browser version information. Each site is suffixed by a brief usage guide.
Can I use - Browser usage table, based on data from StatCounter and other sources.
StatCounter - Stat...
How to choose an AES encryption mode (CBC ECB CTR OCB CFB)?
... client side. You will encrypt it of course so the user cannot read and manipulate the data. So what mode should you use? Coming here you read the top answer (sorry for singling you out myforwik). The first one covered - ECB - is not for you, you want to encrypt more than one block, the next one - C...
What is the maximum length of a URL in different browsers?
...ngth are found in
practice. It is RECOMMENDED that all HTTP senders and recipients
support, at a minimum, request-line lengths of 8000 octets.
...and the reality
That's what the standards say. For the reality, there was an article on boutell.com (link goes to Internet Archive backup) that discussed...