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Find difference between timestamps in seconds in PostgreSQL
I have a table in PostgreSQL 8.3 with 2 timestamp columns. I would like to get the difference between these timestamps in seconds. Could you please help me how to get this done?
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In Laravel, the best way to pass different types of flash messages in the session
...first app in Laravel and am trying to get my head around the session flash messages. As far as I'm aware in my controller action I can set a flash message either by going
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How do I kill background processes / jobs when my shell script exits?
I am looking for a way to clean up the mess when my top-level script exits.
13 Answers
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How to fetch the row count for all tables in a SQL SERVER database [duplicate]
...row count of all tables in a database:
CREATE TABLE #counts
(
table_name varchar(255),
row_count int
)
EXEC sp_MSForEachTable @command1='INSERT #counts (table_name, row_count) SELECT ''?'', COUNT(*) FROM ?'
SELECT table_name, row_count FROM #counts ORDER BY table_name, row_count DESC
DROP ...
How to track child process using strace?
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Submit form on pressing Enter with AngularJS
...ular supports this out of the box. Have you tried ngSubmit on your form element?
<form ng-submit="myFunc()" ng-controller="mycontroller">
<input type="text" ng-model="name" />
<br />
<input type="text" ng-model="email" />
</form>
EDIT: Per the comment rega...
In C, how should I read a text file and print all strings
I have a text file named test.txt
7 Answers
7
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How do I grab an INI value within a shell script?
I have a parameters.ini file, such as:
27 Answers
27
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How do I get the MIN() of two fields in Postgres?
...ATEST and LEAST are not in the SQL standard, but are a common extension. Some other databases make them return NULL if any argument is NULL, rather than only when all are NULL...
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When should I release objects in -(void)viewDidUnload rather than in -dealloc?
...logic behind -viewDidUnload.
One of the most important reasons for implementing it is that UIViewController subclasses commonly also contain owning references to various subviews in the view hierarchy. These properties could have been set through IBOutlets when loading from a nib, or programmati...