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How to execute a raw update sql with dynamic binding in rails
...e.connection.raw_connection.prepare("update table set f1=? where f2=? and f3=?")
st.execute(f1, f2, f3)
st.close
I'm not sure if there are other ramifications to doing this (connections left open, etc). I would trace the Rails code for a normal update to see what it's doing aside from the actual q...
How can I see which Git branches are tracking which remote / upstream branch?
...or scripting:
git branch -vv # doubly verbose!
Note that with git 1.8.3, that upstream branch is displayed in blue (see "What is this branch tracking (if anything) in git?")
If you want clean output, see arcresu's answer - it uses a porcelain command that I don't believe existed at the time ...
“git diff” does nothing
...diff # (1)
$ git diff --cached # (2)
$ git diff HEAD # (3)
Diff the working copy with the index
Diff the index with HEAD
Diff the working copy with HEAD
Outside your workspace, as you guessed, git won't know what to diff, so you have to explicitly specify two paths to compar...
How to compare if two structs, slices or maps are equal?
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answered Jul 2 '14 at 14:53
OneOfOneOneOfOne
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How can I permanently enable line numbers in IntelliJ?
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1396
IntelliJ 14.X Onwards
From version 14.0 onwards, the path to the setting dialog is slightly d...
Hidden features of WPF and XAML?
...for v5
– Simon_Weaver
Aug 11 '10 at 3:45
5
This is great, but I'd be tempted NOT to do it. If I n...
How to make a phone call programmatically?
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edited Oct 9 '13 at 15:17
The Alpha
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Difference between 3NF and BCNF in simple terms (must be able to explain to an 8-year old)
...ata depends on the key [1NF], the whole key [2NF] and nothing but the key [3NF] .
6 Answers
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Single Page Application: advantages and disadvantages [closed]
...d about SPA and it advantages. I find most of them unconvincing. There are 3 advantages that arouse my doubts.
11 Answers
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How do I fix the indentation of an entire file in Vi?
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1235
=, the indent command can take motions. So, gg to get the start of the file, = to indent, G to ...