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How much size “Null” value takes in SQL Server
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However, a second bit, and a third bit, and all the way up to an eighth bit fit in the same byte.
– Matti Virkkunen
Sep 16 '10 at 22:29
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How do you use “
I just finished reading about scoping in the R intro , and am very curious about the <<- assignment.
6 Answers
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undefined reference to `WinMain@16'
...atch file that I use for that. It only supplies options to make g++ more standard:
C:\test> gnuc x.cpp
C:\test> objdump -x a.exe | findstr /i "^subsystem"
Subsystem 00000003 (Windows CUI)
C:\test> _
This means that the linker by default produced a console subsyste...
How to remove an HTML element using Javascript?
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What's happening is that the form is getting submitted, and so the page is being refreshed (with its original content). You're handling the click event on a submit button.
If you want to remove the element and not submit the form, handle the submit event on the form instead, and ...
You can't specify target table for update in FROM clause
...you should only be selecting the columns you need in that innermost query, and adding a good WHERE clause to limit the results, too.
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Update ViewPager dynamically?
...ter or FragmentStatePagerAdapter, it is best to deal solely with getItem() and not touch instantiateItem() at all. The instantiateItem()-destroyItem()-isViewFromObject() interface on PagerAdapter is a lower-level interface that FragmentPagerAdapter uses to implement the much simpler getItem() interf...
Expand/collapse section in UITableView in iOS
Could somebody tell me the way to perform UITableView expandable/collapsible animations in sections of UITableView as below?
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MySQL - Using COUNT(*) in the WHERE clause
...he clause that They Don't Bother To Teach Properly on sql courses or books and knowing about it generally the sign that the coder has progressed beyond novice level.
– Cruachan
Nov 19 '08 at 12:59
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psql: could not connect to server: No such file or directory (Mac OS X)
...master has exited.).
SOLUTION: This fixed the issue--I deleted this file, and then everything worked!
/usr/local/var/postgres/postmaster.pid
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and here is how I figured out why this needed to be deleted.
I used the following command to see if there were any PG processes running. for me ther...
How to convert a char array back to a string?
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No, that solution is absolutely correct and very minimal.
Note however, that this is a very unusual situation: Because String is handled specially in Java, even "foo" is actually a String. So the need for splitting a String into individual chars and join them bac...