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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 ...
Android static object lifecycle
... screen populate in another screen then user can edit search criteria from 3rd screen and goes to 4th screen.
4 Answers
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Rails formatting date
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237
Use
Model.created_at.strftime("%FT%T")
where,
%F - The ISO 8601 date format (%Y-%m-%d)
%T...
How to convert all text to lowercase in Vim
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zoulzoul
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HashSet versus Dictionary w.r.t searching time to find if an item exists
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153
HashSet vs List vs Dictionary performance test, taken from here.
Add 1000000 objects (without c...
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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Make a link use POST instead of GET
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edited Feb 19 '16 at 23:14
Michał Perłakowski
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