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How do I return rows with a specific value first?
I want my query to return the rows of the table where a column contains a specific value first, and then return the rest of the rows alphabetized.
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SVN encrypted password store
I installed SVN on a Ubuntu machine and I can't get my head around something.
3 Answers
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How to empty a redis database?
I've been playing with redis (and add some fun with it) during the last fews days and I'd like to know if there is a way to empty the db (remove the sets, the em>x m>isting key....) easily.
During my tests, I created several sets with a lot of members, even created sets that I do not remember the name ...
How can I have linked dependencies in a git repo?
In my scripts, I often use libraries (mine or others') that have their own repos. I don't want to duplicate those in my repo and get stuck with updating them every time a new version comes out.
However, when somebody clones the repo, it should still work locally and not have broken links.
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Force add despite the .gitignore file
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See man git-add:
-f, --force
Allow adding otherwise ignored files.
So run this
git add --force my/ignore/file.foo
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“Width equals height” constraint in Interface Builder
I can't find a way to create a 'square' constraint, meaning 'width equals height' in Interface Builder. I guess it's possible to add such constraint programmatically. Is there something I can do in IB? Maybe I just don't see it? It seems trivial, yet I can't find it.
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Difference between make and build in Android Studio
The Android Studio Build menu has options including
3 Answers
3
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How to change owner of PostgreSql database?
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ALTER DATABASE name OWNER TO new_owner;
See the Postgresql manual's entry on this for more details.
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Subset of rows containing NA (missing) values in a chosen column of a data frame
We have a data frame from a CSV file. The data frame DF has columns that contain observed values and a column ( VaR2 ) that contains the date at which a measurement has been taken. If the date was not recorded, the CSV file contains the value NA , for missing data.
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How to find an element by matching em>x m>act tem>x m>t of the element in Capybara
I have following two elements in HTML
6 Answers
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