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How do I check the difference, in seconds, between two dates?
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536
if you want to compute differences between two known dates, use total_seconds like this:
impor...
SQL Server - When to use Clustered vs non-Clustered Index?
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edited Dec 6 '13 at 0:43
Zain Rizvi
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How to export revision history from mercurial or git to cvs?
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3 Answers
3
Active
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Ruby send vs __send__
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243
Some classes (for example the standard library's socket class) define their own send method whic...
What do REFRESH and MERGE mean in terms of databases?
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chaoschaos
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Convert command line arguments into an array in Bash
...nto the $@ value, use set:
$ set -- apple banana "kiwi fruit"
$ echo "$#"
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$ echo "$@"
apple banana kiwi fruit
Understanding how to use the argument structure is particularly useful in POSIX sh, which has nothing else like an array.
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How do I create a SHA1 hash in ruby?
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require 'digest/sha1'
Digest::SHA1.hexdigest 'foo'
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Can I create a named default constraint in an add column statement in SQL Server?
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230
This should work:
ALTER TABLE t_tableName
ADD newColumn VARCHAR(50)
CONSTRAINT YourCo...
How to check if an object is a certain type
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edited Aug 3 '17 at 12:08
Sebastian Brosch
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What should I use Android AccountManager for?
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edited May 23 '17 at 10:31
Community♦
111 silver badge
answered Dec 23 '11 at 10:07
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