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When should I use @classmethod and when def method(self)?
While integrating a Django app I have not used before, I found two different ways used to define functions in classes. The author seems to use them both very intentionally. The first one is one I myself use a lot:
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Rails find_or_create_by more than one attribute?
There is a handy dynamic attribute in active-record called find_or_create_by:
5 Answers
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lock(new object()) — Cargo cult or some crazy “language special case”?
I'm reviewing some code written by a consultant, and while dozens of red flags have already popped up, I can't wrap my head around the following snippet:
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Xcode 4 and Core Data: How to enable SQL Debugging
I'm working on a universal iOS app and I'd like to see the raw SQL in the logs when I'm debugging. There is some info in this blog post about how to enable raw SQL logging for iOS Core Data development. The given example is for Xcode 3 and it's just not clear to me how to enable this in Xcode 4.
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Use of the MANIFEST.MF file in Java
I noticed that JAR, WAR and EAR files have a MANIFEST.MF file under the META-INF folder.
2 Answers
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How can I request the vibrate permission?
How can I request the vibrate permission in my Android application?
2 Answers
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Visual Studio 2013 git, only Master branch listed
I'm using Visual Studio 2013's Git support to work on a private GitHub repository. I have permission to commit to it. I want to switch branches, but when I go to the Branches view, the only branch in any of the lists (branch drop-down, published branches, merge tool) is master. Other branches show u...
How can I output UTF-8 from Perl?
I am trying to write a Perl script using the "utf8" pragma, and I'm getting unexpected results. I'm using Mac OS X 10.5 (Leopard), and I'm editing with TextMate. All of my settings for both my editor and operating system are defaulted to writing files in utf-8 format.
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How to use JavaScript source maps (.map files)?
Recently I have seen files with .js.map extension shipped with some JavaScript libraries (like Angular ), and that just raised few questions in my head:
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WPF Button with Image
I'm trying to attach an image on a button in WPF, however this code fails. Seems strange after similar code would work perfectly in Mozilla XUL.
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