大约有 2,800 项符合查询结果（耗时：0.0200秒） [XML]
How to install mongoDB on windows?
..., it’s not an installation it’s just Downloading…
I. Download the zip file http://www.mongodb.org/downloads
II. Extract it and copy the files into your desired location.
III. Start the DB engine.
IV. Test the installation and use it.
That's it! So simple, right? Ok let’s start
1. Downlo...
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...
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...
Sorting 1 million 8-decimal-digit numbers with 1 MB of RAM
...W3520. You can verify that the program works using the following Python script, assuming a program name of sort1mb.exe.
from subprocess import *
import random
sequence = [random.randint(0, 99999999) for i in xrange(1000000)]
sorter = Popen('sort1mb.exe', stdin=PIPE, stdout=PIPE)
for value in sequ...
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...ly outdated.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...
C++STL容器使用经验总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
...。vector<bool>来自一个雄心勃勃的试验，代理对象在C＋＋软件开发中经常会很有用。C＋＋标准委员会的人很清楚这一点，所以他们决定开发vector<bool>，以演示STL如果支持 “通过代理对象来存取其元素的的容器”。他们说，C＋＋...
用户界面（UI）组件 · App Inventor 2 中文网
...通过防止在你的资产中使用来自 JavaScript 的异步请求访问网络来提供更高的安全性。
属性
当前页标题
返回当前正在查看的页面的标题。
当前网址
返回当前正在查看的 URL。如果已通过链接跳转访问新页面，就可能与 首...
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...