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How do you set the max number of characters for an EditText in Android?
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edited May 3 '15 at 12:36
Joop
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answered Aug 2 '...
How do I find out what keystore my JVM is using?
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Your keystore will be in your JAVA_HOME---> JRE -->lib---> security--> cacerts. Yo...
What's the best way to make a d3.js visualisation layout responsive?
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There's another way to do this that doesn't require redrawing the graph, and it involves modif...
How do you debug PHP scripts? [closed]
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30 Answers
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Generating random number between 1 and 10 in Bash Shell Script [duplicate]
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$(( ( RANDOM % 10 ) + 1 ))
EDIT. Changed brackets into parenthesis according to the comment...
How to check if a variable is not null?
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edited Jan 23 '13 at 0:25
answered Dec 5 '10 at 22:22
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NULL values inside NOT IN clause
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Query A is the same as:
select 'true' where 3 = 1 or 3 = 2 or 3 = 3 or 3 = null
Since 3 = 3 is true, you get a result.
Query B is the same as:
select 'true' where 3 <> 1 and 3 <> 2 and 3 <> null
When ansi_nulls is on, 3 <> null is UNKNOWN,...
How to disable an input type=text?
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If you know this when the page is rendered, which it sounds like you do because the database has...
Caveats of select/poll vs. epoll reactors in Twisted
... sets you can use with select (read, write, exception). Compared to those 384 bytes max, epoll is sort of a pig. Each file descriptor is represented by a multi-byte structure. However, in absolute terms, it's still not going to use much memory. You can represent a huge number of file descriptors...