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When to use Hadoop, HBase, Hive and Pig?
...ties of data; therefore the response time is not immediate.
It complements Online Transaction Processing and Online Analytical Processing. However, it is not a replacement for a RDBMS.
It is not good when work cannot be parallelized or when there are dependencies within the data.
It is not good for ...
Prevent any form of page refresh using jQuery/Javascript
...access the second window because you're denying them.
In fact, my bank's online system tries real hard to do #2, and the situation described above happens all the time. I usually have to wait until the server-side session expires before I can use the banking system again.
...
How should I choose an authentication library for CodeIgniter? [closed]
...le-owned) reCAPTCHA service, but it really isn't secure enough
Very sparse online documentation (minor issue here, since the code is nicely documented and intuitive)
Download Tank Auth here
Original answer:
I've implemented my own as well (currently about 80% done after a few weeks of work). I tr...
Best ways to teach a beginner to program? [closed]
...is MIT's A Gentle Introduction to Programming Using Python. It's all free online, and you don't have to be an MIT uberstudent to understand it.
Edit [Justin Standard]
This course uses this free online book: How To Think Like a Computer Scientist
I'm definitely finding it quite useful.
...
Enable access control on simple HTTP server
...ost the same as ngrok
now: when running now, it uploads your static assets online and deploy them to https://$random.now.sh. They remain online forever unless you decide otherwise. Deployment is fast (except the first one) thanks to diffing. Now is suitable for production frontend/SPA code deploymen...
How to securely store access token and secret in Android?
...ition:
This class provides access to a centralized registry of the user's
online accounts. The user enters credentials (username and password)
once per account, granting applications access to online resources
with "one-click" approval.
For detailed guide on how to use AccountManager:
Udi Cohen t...
What is an AngularJS directive?
...ge (DSL) for building your application. E.g., if your application runs an online shopping site, you can extend HTML to have "shopping-cart", "coupon", "specials", etc. directives -- whatever words or objects or concepts are more natural to use within the "online shopping" domain, rather than "div"s...
搭建高可用mongodb集群（二）—— 副本集 - 大数据 & AI - 清泛网 - 专注C/...
...出成功
{
"info" : "Config now saved locally. Should come online in about a minute.",
"ok" : 1
}
#查看日志，副本集启动成功后，138为主节点PRIMARY，136、137为副本节点SECONDARY。
Sun Dec 29 20:26:13.842 [conn3] replSet replSetInitiate admin c...
Is there a PHP Sandbox, something like JSFiddle is to JS? [closed]
...
If you are just looking for an online site to play around with PHP code, try
http://phpfiddle.org/
http://ideone.com/
https://codeanywhere.net/
http://www.tehplayground.com/
http://sandbox.onlinephpfunctions.com/
http://codepad.org/
https://eval.in/
htt...
Protect .NET code from reverse engineering?
...ition as only qualifying for community support and put up a user-moderated online forum for that purpose. Your support knowledge base is self-generating, and advanced users will shepherd those who need extra hand-holding on your behalf. Even more importantly, this will allow you to identify and corr...