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Is there a good Valgrind substitute for Windows?
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How do you delete a column by name in data.table?
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286
Any of the following will remove column foo from the data.table df3:
# Method 1 (and preferre...
csv.Error: iterator should return strings, not bytes
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222
You open the file in text mode.
More specifically:
ifile = open('sample.csv', "rt", encodi...
Rails: How does the respond_to block work?
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http://ruby-metaprogramming.rubylearning.com/html/ruby_metaprogramming_2.html
The Responder class uses its method_missing as a kind of registration. When we call 'json', we are telling it to respond to requests with the .json extension by serializing to json. We need to call html with no argum...
How can I get the DateTime for the start of the week?
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Rails: How to change the title of a page?
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249
In your views do something like this:
<% content_for :title, "Title for specific page" %&g...
How to close TCP and UDP ports via windows command line
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Ian Kemp
21.9k1414 gold badges9393 silver badges116116 bronze badges
answered Jan 31 '13 at 13:08
huntharohunt...
MySQL table is marked as crashed and last (automatic?) repair failed
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261
If your MySQL process is running, stop it. On Debian:
sudo service mysql stop
Go to your da...
How can I wrap text to some length in Vim?
... typing gq. (textwidth can be abbreviated as tw, thus :set tw=30.)
Option 2 can be toggled by running :set wrap / :set nowrap. This will wrap lines which are too long for the window.
Both are independent.
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