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Add primary key to existing table
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Joe G JosephJoe G Joseph
21k44 gold badges4444 silver badges5353 bronze badges
add a comm...
How to filter SQL results in a has-many-through relation
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146
+50
I was cu...
Can media queries resize based on a div element instead of the screen?
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edited Sep 4 at 7:09
answered Sep 7 '12 at 13:39
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JavaScript to scroll long page to DIV
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4
For people looking for animation or smooth scroll: document.getElementById('#something').scrollIntoView({ behavior: 'smooth', block: 'center...
Fastest method of screen capturing on Windows
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14 Answers
14
Active
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how to access iFrame parent page using jquery?
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496
To find in the parent of the iFrame use:
$('#parentPrice', window.parent.document).html();
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Modify table: How to change 'Allow Nulls' attribute from not null to allow null
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-- replace NVARCHAR(42) with the actual type of your column
ALTER TABLE your_table
ALTER COLUMN your_column NVARCHAR(42) NULL
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Mockito How to mock and assert a thrown exception?
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74
BDD Style Solution (Updated to Java 8)
Mockito alone is not the best solution for handling exce...
How to declare variable and use it in the same Oracle SQL script?
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SQL> select ename, sal
2 from emp
3 where deptno = &p_dno
4 /
old 3: where deptno = &p_dno
new 3: where deptno = 20
ENAME SAL
---------- ----------
CLARKE 800
ROBERTSON 2975
RIGBY 3000
KULASH 1100
GASPAROTTO 3000
SQ...
How do you add swap to an EC2 instance?
...nstance you type:
sudo /bin/dd if=/dev/zero of=/var/swap.1 bs=1M count=1024
sudo /sbin/mkswap /var/swap.1
sudo chmod 600 /var/swap.1
sudo /sbin/swapon /var/swap.1
If you need more than 1024 then change that to something higher.
To enable it by default after reboot, add this line to /etc/fstab:
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