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How to tell which colorscheme a Vim session currently uses
You can set the Vim color scheme by issuing
3 Answers
3
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XPath query to get nth instance of an element
...an HTML file (whose contents I do not control) that has several input elements all with the same fixed id attribute of "search_query" . The contents of the file can change, but I know that I always want to get the second input element with the id attribute "search_query" .
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How can I view the shared preferences file using Android Studio?
...Android Device Monitor, go to File Explorer, and browse "/data/data/< name of your package >/shared_prefs/". You will find the XML there... and also you can copy it for inspection.
If you have a non-rooted device it's not possible to do that directly from Android Studio. However, you can acce...
Most common C# bitwise operations on enums
For the life of me, I can't remember how to set, delete, toggle or test a bit in a bitfield. Either I'm unsure or I mix them up because I rarely need these. So a "bit-cheat-sheet" would be nice to have.
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Go to particular revision
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git checkout -b <new_branch_name> <sha1> : to check out the commit to a branch.
– Loganathan
Jul 16 at 13:50
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What is “export default” in javascript?
... ES6 module system, described here. There is a helpful example in that documentation, also:
If a module defines a default export:
export default function() { console.log("hello!") }
then you can import that default export by omitting the curly braces:
import foo from "foo";
foo(); // hel...
What is the best way to iterate over a dictionary?
...ch(KeyValuePair<string, string> entry in myDictionary)
{
// do something with entry.Value or entry.Key
}
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How can I use PHP to dynamically publish an ical file to be read by Google Calendar?
...Google Calendar does not require the *.ics-extension (which will require some URL rewriting in the server).
$ical = "BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//hacksw/handcal//NONSGML v1.0//EN
BEGIN:VEVENT
UID:" . md5(uniqid(mt_rand(), true)) . "@yourhost.test
DTSTAMP:" . gmdate('Ymd').'T'. gmdate('His'...
What exactly are “spin-locks”?
I always wondered what they are: every time I hear about them, images of futuristic flywheel-like devices go dancing (rolling?) through my mind...
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Using 'return' in a Ruby block
...call'
from (irb):2:in `thing'
from (irb):6
from /home/mirko/.rvm/rubies/ruby-1.9.1-p378/bin/irb:15:in `<main>'
irb(main):009:0> thing { break 6 * 7 }
=> 42
irb(main):011:0> thing { next 6 * 7 }
value=42
=> nil
return always returns from method, but if you...