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使用App Inventor扩展实现多点触控：Rotation Detector · App Inventor 2 中文网
...ar hm = document.createElement("script"); hm.src = "https://hm.baidu.com/hm.js?8d287b854d737bdc880e8ddeac1b309d"; var s = document.getElementsByTagName("script")[0]; s.parentNode.insertBefore(hm, s); })();
使用App Inventor扩展实...
What is the performance of Objects/Arrays in JavaScript? (specifically for Google V8)
...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
Can someone explain the dollar sign in Javascript?
...ariables and functions.
https://web.archive.org/web/20160529121559/http://www.authenticsociety.com/blog/javascript_dollarsign
That has a clear explanation of what the dollar sign is for.
Here's an alternative explanation: http://www.vcarrer.com/2010/10/about-dollar-sign-in-javascript.html
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How to use php serialize() and unserialize()
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A PHP array or object or other complex data structure cannot be transported or stored or otherwise used outside of a running PHP script. If you want to persist such a complex data structure beyond a single run of a script, you need to serialize it. That ju...
TDD/BDD screencast/video resources [closed]
...s I've gotten some great videos off of:
http://confreaks.net/videos
http://www.bestechvideos.com/
http://www.engineyard.com/blog/community/scotland-on-rails/
Oh, and don't forget Google videos.
And here's a great little blog post with links to 20 articles on Cucumber:
http://www.robbyonrails.com...
Random alpha-numeric string in JavaScript? [duplicate]
...nd for random() is excluded and chars.length will be no reached: w3schools.com/jsref/jsref_random.asp
– axelbrz
Apr 6 '15 at 10:33
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Where is the itoa function in Linux?
...ses ;-)
As itoa() is indeed non-standard, as mentioned by several helpful commenters, it is best to use sprintf(target_string,"%d",source_int) or (better yet, because it's safe from buffer overflows) snprintf(target_string, size_of_target_string_in_bytes, "%d", source_int). I know it's not quite a...
Find region from within an EC2 instance
...ONE\" | sed 's/[a-z]$//'`"
Hope this helps.
EDIT: Improved sed based on comments
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Single Sign On across multiple domains [closed]
...rent are the host names?
These hosts can share cookies:
mail.xyz.com
www.xyz.com
logon.xyz.com
But these cannot:
abc.com
xyz.com
www.tre.com
In the former case you can bang out a cookie-based solution. Think GUID and a database session table.
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Shiro vs. SpringSecurity [closed]
...iro:
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd>
<...