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How is the undo tree used in Vim?
...igured I'd mention that I wrote an undo tree visualization plugin for Vim: http://bitbucket.org/sjl/gundo.vim/
Personally I found that graphing the tree like this was the only way I could make sense of it.
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PHP: How to send HTTP response code?
I have a PHP script that needs to make responses with HTTP response codes (status-codes), like HTTP 200 OK, or some 4XX or 5XX code.
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How to install pip with Python 3?
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Python ≤ 2.7.8 and Python ≤ 3.3
Follow my detailed instructions at https://stackoverflow.com/a/12476379/284795 . Essentially
Official instructions
Per https://pip.pypa.io/en/stable/installing.html
Download get-pip.py, being careful to save it as a .py file rather than .txt. Then, run it f...
Installed Java 7 on Mac OS X but Terminal is still using version 6
...ling it to a different location than I was used to.
Download from Oracle: http://java.com/en/download/mac_download.jsp?locale=en
Verify that it's installed properly by looking in System Prefs:
Command-Space to open Spotlight, type 'System Preferences', hit enter.
Click Java icon in bottom row....
Reliable way for a Bash script to get the full path to itself [duplicate]
...ry to run this script from a PIPE it will not work
wget -o /dev/null -O - http://host.domain/dir/script.sh |bash
Technically speaking, it is undefined. Practically speaking, there is no sane way to detect this. (A co-process can not access the environment of the parent.)
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raw_input function in Python
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raw_input() was renamed to input() in Python 3.
From http://docs.python.org/dev/py3k/whatsnew/3.0.html
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Download File Using Javascript/jQuery
...uery:
$('a#someID').attr({target: '_blank',
href : 'http://localhost/directory/file.pdf'});
Whenever that link is clicked, it will download the file in a new tab/window.
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What is the purpose of @SmallTest, @MediumTest, and @LargeTest annotations in Android?
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
Where does Scala look for implicits?
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
Is a colon `:` safe for friendly-URL use?
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I recently wrote a URL encoder, so this is pretty fresh in my mind.
http://site/gwturl#user:45/comments
All the characters in the fragment part (user:45/comments) are perfectly legal for RFC 3986 URIs.
The relevant parts of the ABNF:
fragment = *( pchar / "/" / "?" )
pchar = ...