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Difference between CMAKE_CURRENT_SOURCE_DIR and CMAKE_CURRENT_LIST_DIR
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The variables CMAKE_CURRENT_SOURCE_DIR and CMAKE_CURRENT_LIST_DIR may refer to different directories for a CMake list file that is included by another file with the include command. E.g., if a CMakeLists.txt is present in a directory project and contains the foll...
Better way to revert to a previous SVN revision of a file?
I accidentally committed too many files to an SVN repository and changed some things I didn't mean to. (Sigh.) In order to revert them to their prior state, the best I could come up with was
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How can I sort a List alphabetically?
...ator.getInstance());
Solution with a TreeSet
If you are free to decide, and if your application might get more complex, then you might change your code to use a TreeSet instead. This kind of collection sorts your entries just when they are inserted. No need to call sort().
Collection<String&g...
Android: How to stretch an image to the screen width while maintaining aspect ratio?
...to download an image (of unknown size, but which is always roughly square) and display it so that it fills the screen horizontally, and stretches vertically to maintain the aspect ratio of the image, on any screen size. Here is my (non-working) code. It stretches the image horizontally, but not vert...
Rails filtering array of objects by attribute value
So I perform a query to the db and I have a complete array of objects:
5 Answers
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How to do date/time comparison
... options in doing date comparison in Go? I have to sort data based on date and time - independently. So I might allow an object that occurs within a range of dates so long as it also occurs within a range of times. In this model, I could not simply just select the oldest date, youngest time/latest d...
How do PHP sessions work? (not “how are they used?”)
Session files are usually stored in, say, /tmp/ on the server, and named sess_{session_id} . I have been looking at the contents and cannot figure out how they really work.
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Use C++ with Cocoa Instead of Objective-C?
I would like to write applications that use C++ and the Cocoa frameworks because Apple is not making Carbon 64-bit capable. C++ seems to be pretty vanilla in its implementation on Linux and Windows but on Mac OS X it seems like additional Apple specific pieces of code are required (like an Obj-C wra...
Creating and throwing new exception
How I can create and throw a new exception in PowerShell?
1 Answer
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Can I access constants in settings.py from templates in Django?
...quently-used settings constants to the template such as settings.MEDIA_URL and some of the language settings if you use django's built in generic views or pass in a context instance keyword argument in the render_to_response shortcut function. Here's an example of each case:
from django.shortcuts ...