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How do you 'redo' changes after 'undo' with Emacs?
...Short version: by undoing the undo. If you undo, and then do a non-editing command such as C-f, then the next undo will undo the undo, resulting in a redo.
Longer version:
You can think of undo as operating on a stack of operations. If you perform some command (even a navigation command such as C-...
How to set or change the default Java (JDK) version on OS X?
...u’re using, and the configuration you have in place, so I can’t give a complete solution for that…
– markhellewell
Nov 14 '14 at 2:25
12
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Can an Android NFC phone act as an NFC tag?
... not as simple as creating a regular NFC android app.
More details here:
http://www.mail-archive.com/android-developers@googlegroups.com/msg152222.html
A real question would be: why are you trying to emulate a simple old nfc tag? Is there some application I'm not thinking of? Usually, you'd wan...
Keyboard shortcut to change font size in Eclipse?
...riginal question was posted, but for future reference:
check this project, https://github.com/gkorland/Eclipse-Fonts
I have used it, and it's very simple and efficient.
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How to run a python script from IDLE interactive shell?
...e dir:
exec(open('./app/filename.py').read())
See https://stackoverflow.com/a/437857/739577 for passing global/local variables.
In deprecated Python versions
Python2
Built-in function: execfile
execfile('helloworld.py')
It normally cannot be called with arguments. But here's a workaround:
...
Is there any difference between DECIMAL and NUMERIC in SQL Server?
...eUploader: {
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How can I multiply and divide using only bit shifting and adding?
...
To multiply in terms of adding and shifting you want to decompose one of the numbers by powers of two, like so:
21 * 5 = 10101_2 * 101_2 (Initial step)
= 10101_2 * (1 * 2^2 + 0 * 2^1 + 1 * 2^0)
= 10101_2 * 2^2 + 10101_2 * 2^0
= 10101_2 <<...
C# pattern to prevent an event handler hooked twice [duplicate]
... Contains is an extension method that lets you query a list. It comes with LINQ because it's a query aid. It's related to EventHandlers and invocation lists because those are things are lists that can be queried.
– Judah Gabriel Himango
Nov 11 '11 at...
Where to find extensions installed folder for Google Chrome on Mac?
...
The default locations of Chrome's profile directory are defined at http://www.chromium.org/user-experience/user-data-directory. For Chrome on Mac, it's
~/Library/Application\ Support/Google/Chrome/Default
The actual location can be different, by setting the --user-data-dir=path/to/directo...
jQuery AJAX cross domain
.... Setting it to * will accept cross-domain AJAX requests from any domain. (https://developer.mozilla.org/en/http_access_control)
The method to do this will vary from language to language, of course. Here it is in Rails:
class HelloController < ApplicationController
def say_hello
headers['...