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How to create a private class method?
... answered Feb 10 '11 at 3:26
tjwallacetjwallace
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How do I hide a menu item in the actionbar?
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Get a MenuItem pointing to such item, call setVisible on it to adjust its visibility and then call invalidateOptionsMenu() on your activity so the ActionBar menu is adjusted accordingly.
Update: A MenuItem is not a regular view that's part of your layout. Its som...
What underlies this JavaScript idiom: var self = this?
...s article on alistapart.com. (Ed: The article has been updated since originally linked)
self is being used to maintain a reference to the original this even as the context is changing. It's a technique often used in event handlers (especially in closures).
Edit: Note that using self is now discour...
How to get nice formatting in the Rails console
...he y method is a handy way to get some pretty YAML output.
y ProductColor.all
Assuming you are in script/console
As jordanpg commented, this answer is outdated. For Rails 3.2+ you need to execute the following code before you can get the y method to work:
YAML::ENGINE.yamler = 'syck'
From rub...
Subscripts in plots in R
... How to load "2" from the variable? I have a loop and need to plot x_[1] x_[2] x_[3] ...
– 0x2207
Dec 11 '14 at 11:38
6
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Convert character to ASCII code in JavaScript
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Fun fact: you don’t really need the 0 (first argument value) — just "\n".charCodeAt() will do.
– Mathias Bynens
Oct 17 '11 at 9:40
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How to include view/partial specific styling in AngularJS
...with a better solution.
UPDATE 1: Since posting this answer, I have added all of this code to a simple service that I have posted to GitHub. The repo is located here. Feel free to check it out for more info.
UPDATE 2: This answer is great if all you need is a lightweight solution for pulling in s...
What are the differences between delegates and events?
... the delegate from resetting the delegate and its invocation list and only allows adding or removing targets from the invocation list.
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Good ways to sort a queryset? - Django
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Ulysses Simpson (474)
Harry Truman (471)
And now the combined order_by call:
>>> myauths = Author.objects.order_by('-score', 'last_name')[:5]
>>> for x in myauths: print x
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James Monroe (487)
Ulysses Simpson (474)
Harry Truman (471)
Benjamin Harrison (467)
Gerald Rudolph (4...
How can I perform a `git pull` without re-entering my SSH password?
...use the key!
Neither do I! Thankfully, there’s a nifty little tool called
ssh-agent that can save your passphrase securely so you don’t have
to re-enter it. If you’re on OSX Leopard or later your keys can be
saved in the system’s keychain to make your life even easier. Most
linu...