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ruby on rails f.select options with custom attributes
... the docs, but by reading the rails source. https://web.archive.org/web/20130128223827/http://www.pogodan.com/blog/2011/02/24/custom-html-attributes-in-options-for-select
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Edit the root commit in Git?
... you can do the following.
# checkout the root commit
git checkout <sha1-of-root>
# amend the commit
git commit --amend
# rebase all the other commits in master onto the amended root
git rebase --onto HEAD HEAD master
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Differences between Line and Branch coverage
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168
Line coverage measures how many statements you took (a statement is usually a line of code, no...
List goals/targets in GNU make that contain variables in their definition
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16 Answers
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Ruby on Rails patterns - decorator vs presenter
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104
A decorator is more of a "let's add some functionality to this entity". A presenter is more of...
Pass parameter to fabric task
.../latest/concepts/invoking-tasks.html#task-command-line-arguments
Fabric 1.X uses the following syntax for passing arguments to tasks:
fab task:'hello world'
fab task:something='hello'
fab task:foo=99,bar=True
fab task:foo,bar
You can read more about it in Fabric docs.
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Difference between git checkout --track origin/branch and git checkout -b branch origin/branch
... need git checkout -B abranch origin/abranch)
Note: with Git 2.23 (Q3 2019), that would use the new command git switch:
git switch -c <branch> --track <remote>/<branch>
If the branch exists in multiple remotes and one of them is named by the checkout.defaultRemote configur...
Django: Set foreign key using integer?
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edited Jan 9 '17 at 20:51
answered May 17 '10 at 3:44
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Convert from java.util.date to JodaTime
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481
java.util.Date date = ...
DateTime dateTime = new DateTime(date);
Make sure date isn't null, t...
How to find out the number of CPUs using python
... machine using Python. The result should be user/real as output by time(1) when called with an optimally scaling userspace-only program.
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