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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 ...
How do I get the list of keys in a Dictionary?
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313
List<string> keyList = new List<string>(this.yourDictionary.Keys);
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IDEA: javac: source release 1.7 requires target release 1.7
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edited Apr 30 '17 at 22:40
answered Oct 15 '12 at 17:26
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Coding Practices which enable the compiler/optimizer to make a faster program
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32 Answers
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Active
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“Diff” an image using ImageMagick
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322
My own favorites are these two:
compare image1 image2 -compose src diff.png
compare image1 ...
How to RedirectToAction in ASP.NET MVC without losing request data
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Markus Safar
5,60155 gold badges2323 silver badges4040 bronze badges
answered Aug 5 '08 at 5:43
Matt MitchellMatt Mitchell
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comparing 2 strings alphabetically for sorting purposes
...ons/6909126/…
– dsdsdsdsd
Aug 5 '13 at 0:38
4
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What is the right way to POST multipart/form-data using curl?
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edited May 20 '15 at 18:35
evandrix
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answered O...
How can I print variable and string on same line in Python?
...ding, fill, alignment,width, set precision etc
>>> print "{:d} {:03d} {:>20f}".format(1,2,1.1)
1 002 1.100000
^^^
0's padded to 2
Demo:
>>> births = 4
>>> print "If there was a birth every 7 seconds, there would be: ",births,"births"
If there was a birt...