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What is a elegant way in Ruby to tell if a variable is a Hash or an Array?
To check what @some_var is, I am doing a
9 Answers
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How do I use reflection to call a generic method?
...tatic method, pass null as the first argument to Invoke. That's nothing to do with generic methods - it's just normal reflection.
As noted, a lot of this is simpler as of C# 4 using dynamic - if you can use type inference, of course. It doesn't help in cases where type inference isn't available, su...
How do I fix PyDev “Undefined variable from import” errors?
...ing that you expected that -- possibly protected by an if False so that it doesn't execute (the static code-analysis only sees what you see, not runtime info -- if you opened that module yourself, you'd have no indication that main was expected).
To overcome this there are some choices:
If it is ...
How can I do DNS lookups in Python, including referring to /etc/hosts?
dnspython will do my DNS lookups very nicely, but it entirely ignores the contents of /etc/hosts .
6 Answers
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How can I get all the request headers in Django?
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According to the documentation request.META is a "standard Python dictionary containing all available HTTP headers". If you want to get all the headers you can simply iterate through the dictionary.
Which part of your code to do this depend...
How do I view an older version of an SVN file?
... @sillyMunky Try svn cat | vim -. If vim's syntax highlighting doesn't automatically kick in, do :set syntax=java (or whichever language).
– John Kugelman
Nov 27 '12 at 4:10
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How do you sort a list in Jinja2?
I am trying to do this:
3 Answers
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How do I Disable the swipe gesture of UIPageViewController?
...t swipes are handled as if they belong to page view controller. I tried to do this both programmatically and via xib but with no result.
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Is there a way to reduce the size of the git folder?
...-d -f -x deletes files listed in .gitignore and such. E.g. workspaces that don't belong in git, Pods folder, etc.
– Kalle
Jun 14 '13 at 20:02
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How do I type using my keyboard on the iphone simulator?
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Don't trash the iPhone simulator preference files. There's no need to do this.
Look in the simulator's menu Hardware ➔ Keyboard. The menu options are:
iOS Uses Same Layout as OS X
Connect Hardware Keyboard ⇧⌘K...