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Memcache Vs. Memcached [duplicate]
...r (memcache).
More information about memcached can
be found at »
http://www.danga.com/memcached/.
The frustration here is caused by the author of the PHP extension which was badly named memcached, since it shares the same name as the actual daemon called memcached. Notice also that in th...
Are JavaScript strings immutable? Do I need a “string builder” in JavaScript?
...to StringBuilderConcat, StringBuilderArrayPush and StringBuilderArrayIndex http://jsperf.com/string-concat-without-sringbuilder/5 Please go there and run tests so we can get a nice sample. Note that I fixed a small bug, so the data for the tests got wiped, I will update the table once there's enough...
How to fire AJAX request Periodically?
...advanced technique that I learned from this excellent video by Paul Irish: http://paulirish.com/2010/10-things-i-learned-from-the-jquery-source/
For periodic tasks that might end up taking longer than the repeat interval (like an HTTP request on a slow connection) it's best not to use setInterval()...
How can I add remote repositories in Mercurial?
...xample of a section that would go in the .hg/hgrc file:
[paths]
remote1 = http://path/to/remote1
remote2 = http://path/to/remote2
You can then use commands like hg push remote1 to send changesets to that repo. If you want that remote repo to update is working directory you'd need to put a change...
What does the `#` operator mean in Scala?
...
Basically, it's a way of referring to classes within other classes.
http://jim-mcbeath.blogspot.com/2008/09/scala-syntax-primer.html (search for "pound")
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...
Change font size of UISegmentedControl
...:13.0], UITextAttributeFont, nil] forState:UIControlStateNormal];
Links:
http://developer.apple.com/library/ios/#documentation/UIKit/Reference/UIAppearance_Protocol/Reference/Reference.html#//apple_ref/doc/uid/TP40010906
http://www.raywenderlich.com/4344/user-interface-customization-in-ios-5
...
Python Selenium accessing HTML source
...from selenium import webdriver
browser = webdriver.Firefox()
browser.get("http://example.com")
html_source = browser.page_source
if "whatever" in html_source:
# do something
else:
# do something else
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How to get text box value in JavaScript
...use this function encoding strings/arrays
function urlencode( str )
{
// http://kevin.vanzonneveld.net3.
// + original by: Philip Peterson4.
// + improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)5.
// * example 1: urlencode('Kevin van Zonneveld!');
// * retur...
How to compare dates in datetime fields in Postgresql?
...;
If the user enters timestamps then you don't need the ::date + 1 part
http://www.postgresql.org/docs/9.2/static/rangetypes.html
http://www.postgresql.org/docs/9.2/static/functions-range.html
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UCenter实现各系统通信的原理 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...”：
$discuz_auth_key= md5($_DCACHE['settings']['authkey'].$_SERVER['HTTP_USER_AGENT']);
也就是不同用户加密cookie的密钥可能不同；
三、检查用户是否已登录（无论是那个应用下登录）：
discuz的include目录中common.inc.php中有这样的代码：
...