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conditional unique constraint
I have a situation where i need to enforce a unique constraint on a set of columns, but only for one value of a column.
6 A...
Storing R.drawable IDs in XML array
...andom_imgs);
// get resource ID by index
imgs.getResourceId(i, -1)
// or set you ImageView's resource to the id
mImgView1.setImageResource(imgs.getResourceId(i, -1));
// recycle the array
imgs.recycle();
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ASP.NET Temporary files cleanup
...is folder fixed a wrong dependency version detection in a InstallShield LE Setup project. (My main assembly had a reference to EntityFramework 6.4 but IS packaged a 4.4, which was in that folder)
– Jerther
Apr 20 '15 at 19:13
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Manual deployment vs. Amazon Elastic Beanstalk
...s we get by using Elastic Beanstalk over maually creating EC2 instance and setting up tomcat server and deploy etc for a typical java web applicaion. Are load balancing, Monitoring and autoscaling the only advantages?
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What is the difference between JOIN and UNION?
...from queries after each other, while JOIN makes a cartesian product and subsets it -- completely different operations. Trivial example of UNION:
mysql> SELECT 23 AS bah
-> UNION
-> SELECT 45 AS bah;
+-----+
| bah |
+-----+
| 23 |
| 45 |
+-----+
2 rows in set (0.00 sec)
simila...
resizes wrong; appears to have unremovable `min-width: min-content`
...t partly due to this answer.
The fix
In WebKit and Firefox 53+, you just set min-width: 0; on the fieldset to override the default value of min-content.¹
Still, Firefox is a bit… odd when it comes to fieldsets. To make this work in earlier versions, you must change the display property of the ...
How to close Android application?
...ir application. However you can determine with the HOME key is pressed by setting a flag to true in a helper class that assumes that the HOME key has been pressed, then changing the flag to false when an event occurs that shows the HOME key was not pressed and then checking to see of the HOME key p...
How do I comment on the Windows command line?
..., now that I know about it, "&:: misc comment text". For example:
REM SET Token="4C6F72656D20697073756D20646F6C6F" &REM This token is for localhost
SET Token="722073697420616D65742C20636F6E73" &REM This token is for production
This makes it easy to keep track of multiple sets of value...
How to change a Git remote on Heroku
...roku app>
push to new domain
git push -u origin master
The -u will set this up as tracked.
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Remove an onclick listener
...
mTitleView.setOnClickListener(null) should do the trick.
A better design might be to do a check of the status in the OnClickListener and then determine whether or not the click should do something vs adding and clearing click listeners...