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How to tell whether a point is to the right or left side of a line
... ( a and b ) and draw an imaginary line between them. Now I want to have all points that are left from this line in one set and those that are right from this line in the other set.
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How to calculate UILabel width based on text length?
...Font fontWithName:yourLabel.font size:yourLabel.fontSize]}];
You can add all the attributes you want in sizeWithAttributes.
Other attributes you can set:
- NSForegroundColorAttributeName
- NSParagraphStyleAttributeName
- NSBackgroundColorAttributeName
- NSShadowAttributeName
and so on. But pro...
Clean way to launch the web browser from shell script?
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If the user has Python installed... But thanks for mentioning the webbrowser module !
– nicoulaj
Jun 26 '10 at 17:41
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Library not loaded: libmysqlclient.16.dylib error when trying to run 'rails server' on OS X 10.6 wit
...and that I used to make it work for me. This way you don't need to use install_name_tool every time you update your mysql
sudo ln -s /usr/local/mysql/lib/libmysqlclient.18.dylib /usr/lib/libmysqlclient.18.dylib
share
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Rank items in an array using Python/NumPy, without sorting array twice
... I did some testing with timeit, and this method is slightly slower for small arrays. On my machine they're equal when the array has 2,000 elements. At 20,000 elements, your method is about 25% faster.
– joshayers
Mar 12 '11 at 20:33
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Image resizing client-side with JavaScript before upload to the server
I am looking for a way to resize an image client-side with JavaScript (really resize, not just change width and height).
I know it's possible to do it in Flash but I would like to avoid it if possible.
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How to make zsh run as a login shell on Mac OS X (in iTerm)?
.... This can happen if you're changing, for example, to a version of zsh installed by homebrew, which puts it in /usr/local/bin/zsh.
– shovavnik
Oct 30 '14 at 20:32
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Use 'class' or 'typename' for template parameters? [duplicate]
...about this here. I thought it was interesting.
Summary: Stroustrup originally used class to specify types in templates to avoid introducing a new keyword. Some in the committee worried that this overloading of the keyword led to confusion. Later, the committee introduced a new keyword typename to ...
MySQL select one column DISTINCT, with corresponding other columns
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The DISTINCT keyword doesn't really work the way you're expecting it to. When you use SELECT DISTINCT col1, col2, col3 you are in fact selecting all unique {col1, col2, col3} tuples.
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How to set auto increment primary key in PostgreSQL?
...hould always be using a primary key on your table because postgresql internally uses hash table structures to increase the speed of inserts, deletes, updates and selects. If a primary key column (which is forced unique and non-null) is available, it can be depended on to provide a unique seed for t...