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Difference between Pig and Hive? Why have both? [closed]
..., and it also gives you metastore for information about your data (schema, etc) which is useful as a central information about your data.
I use both Hive and Pig, for different queries (I use that one where I can write query faster/easier, I do it this way mostly ad-hoc queries) - they can use the ...
Select random row from a sqlite table
...it, as you still won't be able to optimize the OFFSET for joins, order by, etc... (and without ORDER BY the order is undefined.)
– Yakov Galka
Jun 13 '16 at 14:57
add a commen...
Getting time elapsed in Objective-C
...on of the output on my iPhone 6 (perhaps this was not an issue on iPhone 4/etc or I just never noticed it). Note that by not performing that division first, there is some risk of overflow if the numerator of the timebase is quite large. If anybody is curious, there is a link with much more informati...
How to “log in” to a website using Python's Requests module?
...ormally, it simply adds persistence, allowing you to store and use cookies etc.
Assuming your login attempt was successful, you can simply use the session instance to make further requests to the site. The cookie that identifies you will be used to authorise the requests.
Example
import requests
...
How do you implement a class in C? [closed]
...uct Queue Queue;
void push(Queue* q, int element);
void pop(Queue* q);
// etc.
///
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Bypass popup blocker on window.open when JQuery event.preventDefault() is set
...tOpenAPopup) So I can't open a window before hand (to keep its reference, etc) if later on I won't be using it, right?
– Luiz
May 11 '16 at 13:50
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How do you use vim's quickfix feature?
...own, [<Space> and ]<Space> insert blank lines above and below, etc. I was surprised nobody mentioned it here before; that's probably because it didn't exist until January 2010, though the question was asked in 2009.
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How do I clear the terminal screen in Haskell?
...s functions for clearing the screen, displaying colors, moving the cursor, etc. Using it to clear the screen is easy: (this is with GHCI) import System.Console.ANSIclearScreen
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Trying to add adb to PATH variable OSX
... Much, MUCH better then trying to fiddle with PATH, .bash_profile etc.. Thanks!
– smets.kevin
Sep 25 '15 at 8:22
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Are email addresses case sensitive?
...nsitive manner" Especially when checking for duplicates in user-databases, etc.
– Geert-Jan
Nov 16 '13 at 23:00
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