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Want to find records with no associated records in Rails
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answered Mar 16 '11 at 0:33
UnixmonkeyUnixmonkey
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How to continue a task when Fabric receives an error
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edited Jun 20 at 9:12
Community♦
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answered Oct 6 '10 at 22:14
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What is the difference between Normalize.css and Reset CSS?
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808
I work on normalize.css.
The main differences are:
Normalize.css preserves useful defaults r...
What does “./” (dot slash) refer to in terms of an HTML file path location?
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10 Answers
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Active
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Best practices for overriding isEqual: and hash
...ery primitive you do
result = prime * result + var
For objects you use 0 for nil and otherwise their hashcode.
result = prime * result + [var hash];
For booleans you use two different values
result = prime * result + ((var)?1231:1237);
Explanation and Attribution
This is not tcurdt's ...
Which C++ idioms are deprecated in C++11?
...mentioned earlier. Explicit operators of C++11 obviate this very common C++03 idiom.
Shrink-to-fit: Many C++11 STL containers provide a shrink_to_fit() member function, which should eliminate the need swapping with a temporary.
Temporary Base Class: Some old C++ libraries use this rather complex idi...
How to close current tab in a browser window?
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520
You will need Javascript to do this. Use window.close():
close();
Note: the current tab is im...
Remove a cookie
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Waqas Bukhary
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answered Nov 14 '13 at 7:54
Nikunj K.Nikunj K.
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Shuffling a list of objects
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1270
random.shuffle should work. Here's an example, where the objects are lists:
from random import...
How to urlencode data for curl command?
...p://example.com
See the man page for more info.
This requires curl 7.18.0 or newer (released January 2008). Use curl -V to check which version you have.
You can as well encode the query string:
curl -G \
--data-urlencode "p1=value 1" \
--data-urlencode "p2=value 2" \
http://example...