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Difference between Pig and Hive? Why have both? [closed]

...y background - 4 weeks old in the Hadoop world. Dabbled a bit in Hive, Pig and Hadoop using Cloudera's Hadoop VM. Have read Google's paper on Map-Reduce and GFS ( PDF link ). ...
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Modifying location.hash without page scrolling

We've got a few pages using ajax to load in content and there's a few occasions where we need to deep link into a page. Instead of having a link to "Users" and telling people to click "settings" it's helpful to be able to link people to user.aspx#settings ...
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How do I associate a Vagrant project directory with an existing VirtualBox VM?

...irtualBox VM, so that when I vagrant up Vagrant will import the base-box and create a new virtual machine. 10 Answers ...
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How do you test functions and closures for equality?

The book says that "functions and closures are reference types". So, how do you find out if the references are equal? == and === don't work. ...
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How do I deserialize a JSON string into an NSDictionary? (For iOS 5+)

... Thanks...this one helped! and +1 – Jayprakash Dubey Jan 27 '14 at 9:07 ...
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Calculate distance between two points in google maps V3

... Shouldn't it be var R = 6371; for Km? – Alexander Fradiani Aug 25 '16 at 16:30 5 The p1....
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How can you get the Manifest Version number from the App's (Layout) XML variables?

...ds that could be done. The version could be stored in a resource string, and placed into the manifest by: <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.somepackage" android:versionName="@string/version" android:versionCode="20"> One could creat...
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select、poll、epoll之间的区别总结[整理] - C/C++ - 清泛网 - 专注C/C++及内核技术

...1、select实现 select的调用过程如下所示: (1)使用copy_from_user从用户空间拷贝fd_set到内核空间 (2)注册回调函数__pollwait (3)遍历所有fd,调用其对应的poll方法(对于socket,这个poll方法是sock_poll,sock_poll根据情况会调用到...
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Why is there “data” and “newtype” in Haskell? [duplicate]

...ata definition that obeys some restrictions (e.g., only one constructor), and that due to these restrictions the runtime system can handle newtype s more efficiently. And the handling of pattern matching for undefined values is slightly different. ...
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Export database schema into SQL file

... Right click the database you want to generate scripts for (not the table) and select tasks - generate scripts Next, select the requested table/tables, views, stored procedures, etc (from select specific database objects) Click advanced - select the types of data to script Click Next and finish ...