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How do I update a formula with Homebrew?
How do I update a formula?
6 Answers
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How to rollback just one step using rake db:migrate
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For starters
rake db:rollback will get you back one step
then
rake db:rollback STEP=n
Will roll you back n migrations where n is the number of recent migrations you want to rollback.
More references here.
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Git push rejected after feature branch rebase
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The problem is that git push assumes that remote branch can be fast-forwarded to your local branch, that is that all the difference between local and remote branches is in local having some new commits at the end like that:
Z--X--R <- origin/some-branch (can be fast-forwarded to Y...
handlerbars.js check if list is empty
...ebars.js templating to check if the collection or list is null or empty, before going and iterating through the list/collection?
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Named routes _path vs _url
... to the app on the server. They should mainly be used when providing links for external use. (Think email links, RSS, and things like the copy and paste URL field under a YouTube video's "Share" section.)
share
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Align inline-block DIVs to top of container element
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Vertical align is used for font alignment, since fonts have baseline, it's just logical that the default resolves to baseline. In other occasions like this one, you have to overwrite it.
– ceed
Jan 10 '18 at 1...
Why do you program in assembly? [closed]
I have a question for all the hardcore low level hackers out there. I ran across this sentence in a blog. I don't really think the source matters (it's Haack if you really care) because it seems to be a common statement.
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return query based on date
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You probably want to make a range query, for example, all items created after a given date:
db.gpsdatas.find({"createdAt" : { $gte : new ISODate("2012-01-12T20:15:31Z") }});
I'm using $gte (greater than or equals), because this is often used for date-only queries...
Grep not as a regular expression
I need to search for a PHP variable $someVar . However, Grep thinks that I am trying to run a regex and is complaining:
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Delete from the current cursor position to a given line number in vi editor
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Excellent. I was able to do ":.,63d" to perform the deletion example above. Thanks borrible!
– seanhodges
Jun 17 '11 at 10:45
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