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How to perform Callbacks in Objective-C
How to perform call back functions in Objective-C?
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How do I change the background color of a plot made with ggplot2
By default, ggplot2 produces plots with a grey background. How do I change the color of the background of the plot?
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How to check if an object is a certain type
I am passing various objects to a subroutine to run the same process but using a different object each time. For example, in one case I am using a ListView and in another case I am passing a DropDownList.
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Java Enum definition
I thought I understood Java generics pretty well, but then I came across the following in java.lang.Enum:
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how do I work around log4net keeping changing publickeytoken
We have an asp.net 4.0 project which uses a couple of frameworks which is dependent on log4net version 1.2.10.0. Today I tried to include a new framework which is dependent on log4net version 1.2.11.0, I've been stuck ever since:
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Is there an equivalent to CTRL+C in IPython Notebook in Firefox to break cells that are running?
I've started to use the IPython Notebook and am enjoying it. Sometimes, I write buggy code that takes massive memory requirements or has an infinite loop. I find the "interrupt kernel" option sluggish or unreliable, and sometimes I have to restart the kernel, losing everything in memory.
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Compiling dynamic HTML strings from database
Nested within our Angular app is a directive called Page, backed by a controller, which contains a div with an ng-bind-html-unsafe attribute. This is assigned to a $scope var called 'pageContent'. This var gets assigned dynamically generated HTML from a database. When the user flips to the next page...
Difference between fold and reduce?
Trying to learn F# but got confused when trying to distinguish between fold and reduce . Fold seems to do the same thing but takes an extra parameter. Is there a legitimate reason for these two functions to exist or they are there to accommodate people with different backgrounds? (E.g.: String ...
How to redirect cin and cout to files?
How can I redirect cin to in.txt and cout to out.txt ?
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How can I access “static” class variables within class methods in Python?
If I have the following python code:
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