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Add support library to Android Studio project
I just installed the new Android Studio and I'm looking for a way to import the support library for Android.
6 Answers
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What does map(&:name) mean in Ruby?
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It's shorthand for tags.map(&:name.to_proc).join(' ')
If foo is an object with a to_proc method, then you can pass it to a method as &foo, which will call foo.to_proc and use that as the method's block.
The Symbol#to_proc meth...
Hash Map in Python
... The second example just builds a dict in the same ways as before and then copies it. The other use dict, which would be more appopriate in this context, is dict(key1=value1, key2=value2, ...) but that requires the keys to strings which are also valid Python identifiers (and internally, thi...
PostgreSQL: Modify OWNER on all tables simultaneously in PostgreSQL
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See REASSIGN OWNED command
Note: As @trygvis mentions in the answer below, the REASSIGN OWNED command is available since at least version 8.2, and is a much easier method.
Since you're changing the ownership for all tables, you likely want view...
How to print struct variables in console?
...poses you have an instance of Project (in 'yourProject')
The article JSON and Go will give more details on how to retrieve the values from a JSON struct.
This Go by example page provides another technique:
type Response2 struct {
Page int `json:"page"`
Fruits []string `json:"fruits"`...
Is XSLT worth it? [closed]
...formed into HTML via XSLT. I played around (struggled) with it for a while and got it to a very basic level but then was too annoyed by the limitations I was encountering (which may well have been limitations of my knowledge) and when I read a blog suggesting to ditch XSLT and just write your own XM...
socket.io rooms or namespacing?
I am investigating nodejs/socket.io for real time chat, and I need some advice for implementing rooms.
5 Answers
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Visual Studio: How can I see the same file in two separate tab groups?
...you have two copies of the same file. Then you can right-click the tab bar and select New Vertical Tab Group (or New Horizontal Tab Group, the one you like more).
Hope I understood you question..
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How do you create a toggle button?
...ml using css. I want it so that when you click on it , it stays pushed in and than when you click it on it again it pops out.
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How to apply a Git patch to a file with a different name and path?
...ories. In one, I make changes to file ./hello.test . I commit the changes and create a patch from that commit with git format-patch -1 HEAD . Now, I have a second repository that contains a file that has the same contents as hello.test but is placed in a different directory under a different name:...