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Ruby: require vs require_relative - best practice to workaround running in both Ruby =1.
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answered Dec 2 '10 at 9:44
TheoTheo
122k1717 gold badges130130 silver badges172172 bronze badges
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Run a callback only if an attribute has changed in Rails
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10
Try this
after_validation :do_something, if: ->(obj){ obj.status_id.present? and obj.status...
Efficient SQL test query or validation query that will work across all (or most) databases
...ATION_SCHEMA.SYSTEM_USERS
or
CALL NOW()
HSQLDB (tested with version 1.8.0.10)
Note: I tried using a WHERE 1=0 clause on the second query, but it didn't work as a value for Apache Commons DBCP's validationQuery, since the query doesn't return any rows
VALUES 1 or SELECT 1 FROM SYSIBM.SYSDUMMY1
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(Mac) -bash: __git_ps1: command not found
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On OSX 10.9 with git 1.8.5.3 installed via Homebrew, both git-prompt.sh and git-completion.bash are found in `brew --prefix git`/etc/bash_completion.d/.
– dokkaebi
Feb 10 '14 at 22:02
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How to output loop.counter in python jinja template?
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answered Jan 10 '19 at 2:52
Daniel ButlerDaniel Butler
1,16599 silver badges1818 bronze badges
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Python how to write to a binary file?
...rray(b'{\x03\xff\x00d')
>>> bytes(newFileBytes)
'[123, 3, 255, 0, 100]'
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Sequence contains no matching element
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edited Oct 22 '10 at 6:22
answered Oct 22 '10 at 6:14
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Possible Loss of Fraction
...ne of the items to a float, you won't get this error.
So for example turn 10 into a 10.0
double returnValue = (myObject.Value / 10.0);
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SQL - many-to-many table primary key
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answered Feb 3 '10 at 7:20
paxdiablopaxdiablo
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How do I get Month and Date of JavaScript in 2 digit format?
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Cool, but: function addZ(n){return n<10? '0'+n:''+n;} is a bit more generic.
– RobG
May 18 '11 at 6:19
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