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Using a BOOL property
...s used with heap allocated NSObjects like NSString*, NSNumber*, UIButton*, and etc, because memory managed accessors are created for free. When you create a BOOL, the value is always allocated on the stack and does not require any special accessors to prevent memory leakage. isWorking is simply th...
How to pass parameters on onChange of html select
I am a novice at JavaScript and jQuery. I want to show one combobox-A, which is an HTML <select> with its selected id and contents at the other place on onChange().
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How do you print in Sublime Text 2
...eems like a great editor. I just started using it a week ago in eval mode and it doesn't seem to have any printing functionality. This seems preposterous to me, but I can't find it anywhere.
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How to bind 'touchstart' and 'click' events but not respond to both?
...t to mousedown... maybe the long delay is the difference between mousedown and mouseup which is how a click is determined.
– Mottie
Aug 11 '11 at 0:38
7
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No module named MySQLdb
I am using Python version 2.5.4 and install MySQL version 5.0 and Django. Django is working fine with Python, but not MySQL. I am using it in Windows Vista.
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Difference between Observer, Pub/Sub, and Data Binding
...hat is the difference between the Observer Pattern , Publish/Subscribe , and Data Binding ?
4 Answers
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Selecting multiple columns in a pandas dataframe
...1 = df[['a', 'b']]
Alternatively, if it matters to index them numerically and not by their name (say your code should automatically do this without knowing the names of the first two columns) then you can do this instead:
df1 = df.iloc[:, 0:2] # Remember that Python does not slice inclusive of the ...
Bundler not including .min files
...tweaked behaviour has changed in Microsoft.AspNet.Web.Optimization package and the tweak does not work anymore, as pointed out by many commenters. Right now I cannot reproduce the issue at all with the version 1.1.3 of the package.
Please see sources of System.Web.Optimization.BundleCollection (you...
Fastest way to remove first char in a String
...foo" instead of "//foo".
The first option needs a bit more work to understand than the third - I would view the Substring option as the most common and readable.
(Obviously each of them as an individual statement won't do anything useful - you'll need to assign the result to a variable, possibly d...
Installing older version of R package
I am trying to use Rpy2 and ggplot2 but I get an error. After some searching for the error online, I found that the error occurs because there are changes in the ggplot2 package that are not yet reflected in Rpy2 (for example, see this post (Edit: Link is now dead)).
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