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List columns with indexes in PostgreSQL
... WHERE tablename='mytablename' AND indexdef LIKE '%mycolumnname%' ; and verify indexcount>0. mySQL: SHOW INDEX FROM mytablename WHERE Column_name='mycolumnname' ; and verify result set not empty.
– zerobandwidth
Feb 2 '18 at 16:43
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Index (zero based) must be greater than or equal to zero
... answered Feb 6 '18 at 4:23
Kashif FarazKashif Faraz
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Start service in Android
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Probably you don't have the service in your manifest, or it does not have an <intent-filter> that matches your action. Examining LogCat (via adb logcat, DDMS, or the DDMS perspective in Eclipse) should turn up some warnings that may help.
More likely, you should s...
How make Eclipse/EGit recognize existing repository information after update?
...jects again using "use or create repository".
The second step won't work if the repo isn't available in the repository view. So, after an eclipse upgrade, do the following:
Add the (already existing) local repository to EGit's Git Repositories view
Open the Git Repositories view:
Hit the "add"...
Multiple lines of input in
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If you need textarea with auto height, Use follows with pure javascript,
function auto_height(elem) { /* javascript */
elem.style.height = "1px";
elem.style.height = (elem.scrollHeight)+"px";
}
.auto_height...
Doctrine2: Best way to handle many-to-many with extra columns in reference table
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what is the different between foreach ($album->getTracklist() as $track) { echo $track->getTrack()->getTitle(); } provided by @Crozin and consider the relationship as an entity? I think what he want to ask is how to skip the ...
Difference between .keystore file and .jks file
I have tried to find the difference between .keystore files and .jks files, yet I could not find it. I know jks is for "Java keystore" and both are a way to store key/value pairs.
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How to insert a new line in Linux shell script? [duplicate]
...ble, as the -e flag doesn't work consistently in all systems. A better way if you really want to do this is using printf:
printf "Create the snapshots\n\nSnapshot created\n"
This works more reliably in many systems, though it's not POSIX compliant. Notice that you must manually add a \n at the en...
difference between offsetHeight and clientHeight
In the javascript dom - what is the difference between offsetHeight and clientHeight of an element?
2 Answers
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PostgreSQL wildcard LIKE for any of a list of words
...ig 's solution (so +1), when checking 3 options at least, they execute significantly slower on large tables (91.5 million records in my case). I was seeing a time increase of about 2x when using either of these. Any idea why that might be?
– sage88
Sep 7 '17 at...