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iOS 7 parallax effect in my view controller
...ndView.addMotionEffect(group)
Also, you can find a bunch of libraries to do this easier or to add this functionality to older iOS versions:
NGAParallaxMotion (requires iOS 7).
DVParallaxView (requires iOS 5.0 or higher and ARC).
MKParallaxView (tested with iOS 6.0, requires ARC).
UIView-MWParall...
Benefits of inline functions in C++?
...y was scarce and everything had to fit in 100KB of memory) what advantages do they really have today?
14 Answers
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postgres: upgrade a user to be a superuser?
In postgres, how do I change an existing user to be a superuser? I don't want to delete the existing user, for various reasons.
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DistutilsOptionError: must supply either home or prefix/exec-prefix — not both
...ew? The Homebrew python page https://github.com/Homebrew/brew/blob/master/docs/Homebrew-and-Python.md calls out a known issue with pip and a work around.
Worked for me.
You can make this "empty prefix" the default by adding a
~/.pydistutils.cfg file with the following contents:
[install]
pr...
Storing time-series data, relational or non?
...the columns identified in the WHERE clause, it is very fast, and the query does not depend on the size of the table (grabbing 1,000 rows from a 16 billion row table is instantaneous).
Your table has one serious impediment. Given your description, the actual PK is (Device, Metric, DateTime). (Pleas...
How to comment out a block of Python code in Vim
...way to uncomment these lines? Shift-I # <ESC> didn't work (maybe I'm doing it wrong).
– Rishabh Manocha
Apr 1 '10 at 16:14
42
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How to resize a tableHeaderView of a UITableView?
I'm having trouble resizing a tableHeaderView. It simple doesn't work.
19 Answers
19
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What is SuppressWarnings (“unchecked”) in Java?
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Sometimes Java generics just doesn't let you do what you want to, and you need to effectively tell the compiler that what you're doing really will be legal at execution time.
I usually find this a pain when I'm mocking a generic interface, but there are...
How to save MailMessage object to disk as *.eml or *.msg file
How do I save MailMessage object to the disk? The MailMessage object does not expose any Save() methods.
5 Answers
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How can I select random files from a directory in bash?
I have a directory with about 2000 files. How can I select a random sample of N files through using either a bash script or a list of piped commands?
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