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Small Haskell program compiled with GHC into huge binary
...braries are copied in verbatim.
Aside: since this is a graphics-intensive app, I'd definitely compile with ghc -O2
There's two things you can do.
Stripping symbols
An easy solution: strip the binary:
$ strip A
$ du -hs A
5.8M A
Strip discards symbols from the object file. They are generall...
How to Test a Concern in Rails
Given that I have a Personable concern in my Rails 4 application which has a full_name method, how would I go about testing this using RSpec?
...
Django filter queryset __in for *every* item in list
...ld not be a problem for small set of categories.
There is the aggregation approach. This query would be shorter and perhaps quicker for a large set of categories.
You also have the option of using custom queries.
Some examples
Test setup:
class Photo(models.Model):
tags = models.ManyToMan...
Android RatingBar change star colors [closed]
...Create your own LayerDrawable XML resources for the RatingBar, pointing to appropriate images to use for the bar. The original styles will point you to the existing resources that you can compare with. Then, adjust your style to use your own LayerDrawable resources, rather than built-in ones.
...
Find mouse position relative to element
I want to make a little painting app using canvas. So I need to find the mouse's position on the canvas.
23 Answers
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Iterate over model instance field names and values in template
...chaelB Hmm. I have not been able to get "field.value" to work; the fields appear to be database fields, not the actual column data. I had to use a filter which called getattr(object, name). Which version of Django does that work for you?
– Dr. Ernie
Apr 1 '1...
How to uninstall Python 2.7 on a Mac OS X 10.6.4?
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Do not attempt to remove any Apple-supplied system Python which are in /System/Library and /usr/bin, as this may break your whole operating system.
NOTE: The steps listed below do not affect the Apple-supplied system Python 2.7; they only remove a thi...
How do I break a string across more than one line of code in JavaScript?
...ed:
alert ( "Please Select file\
to delete");
Note that this backslash approach is not necessarily preferred, and possibly not universally supported (I had trouble finding hard data on this). It is not in the ECMA 5.1 spec.
When working with other code (not in quotes), line breaks are ignored, ...
Failed to load the JNI shared Library (JDK)
... Explaination: Imagine native code (DLL) being loaded into an application. Now imagine a 32bit function wants to call a 64bit one, or alike. Same with alignment and datasizes and everything. I guess I dont have to tell anything more =P
– imacake
Ma...
org.hibernate.MappingException: Could not determine type for: java.util.List, at table: College, for
... field instead of getter property
@OneToMany(targetEntity=Student.class, mappedBy="college", fetch=FetchType.EAGER)
private List<Student> students;
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