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1500 questions
36
votes
3 answers
What are the major features planned for GNU Emacs 25?
I attempted to install Emacs 24.4 through homebrew with the following command:
brew install emacs --HEAD --use-git-head --cocoa --with-gnutls
It ended up installing (a development build toward what might become) Emacs 25. I haven't been able to…
Connor
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36
votes
5 answers
Is there a way to use query-replace from grep/ack/ag output modes?
I'm aware of find-grep-dired, marking the corresponding files and then pressing Q to run dired-do-query-replace-regexp on the marked files. Unfortunately that requires restarting the grep and no longer using git-grep, ack, or ag and switching to use…
dgtized
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35
votes
2 answers
How can I see the changes made to a modified buffer since the last save?
Given a modified buffer, how can I diff it with the file backing it on disk to see what I've changed?
nosefrog
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35
votes
3 answers
Is there an Emacs mode which highlights differences from the committed version?
One feature that Xcode has which I think is pretty neat is a "Comparison" mode, which continually shows differences between the current buffer and the most recent commit.
Is there anything like this for Emacs? I don't really care about the…
Ken
- 351
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- 3
35
votes
3 answers
Proper way to enable minor mode
I have foo-mode and would enable bar-minor-mode for it. So which way is more common and preferable?
A
(add-hook 'foo-mode-hook 'bar-minor-mode)
B
(add-hook 'foo-mode-hook (lambda ()
"Turn on `bar-minor-mode' mode."
…
Netsu
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35
votes
4 answers
When to sharp-quote a lambda expression?
Q: When, if ever, is it useful to sharp-quote a lambda, and when, if ever, must we not sharp-quote a lambda?
People use lambdas in three ways:
plain: (lambda (x) x)
quoted: '(lambda (x) x)
sharp-quoted: #'(lambda (x) x)
This SO thread discusses…
Dan
- 32,584
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35
votes
4 answers
How to switch off the sounds?
Those sounds all the way drive me crazy, but it is uncomfortable to switch off system sounds at all because I need them in other places same time. I didn't find any settings where I could manage the sounds.
Anna Leonenko
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35
votes
3 answers
ESS plot directly to an Emacs buffer?
Q: how can I get ESS (R) to plot directly to an Emacs buffer?
When interacting with R through ESS, R defaults to spawning a separate graphics window outside of Emacs to draw its plots. (One can, of course, choose other graphical devices, which is…
Dan
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35
votes
2 answers
package-initialize: wrong type argument : arrayp , nil
while going through the emacs as a c/c++ editor , I came across the following lines of code to include in my ~/.emacs file, to connect to
melpa archives for package installation
(require 'package)
(add-to-list 'package-archives '("melpa" .…
lazarus
- 453
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- 8
35
votes
2 answers
Reverse a hunk in Magit 2.1.0
I just upgraded to magit 2.1.0. (And also to emacs 25.0.50 and git 2.3.1.)
Previously, in the *magit* buffer I could:
Select a hunk in the Unstaged area.
Type v and answer yes to reverse it.
This was handy.
But now in magit 2.1.0 it gives an…
Greg Hendershott
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34
votes
1 answer
Why do regular expressions created with the regex builder use syntax different from the interactive regular expressions?
So, using the regular expression builder (M-x re-builder), finding lines that end in \ takes "\\$", while in search and replace by regex, it only takes "\$". I would have expected the regex builder to build directly usable expressions, so what…
user2699
- 2,181
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34
votes
3 answers
Wrap cell content in an org mode table
I have a table like this:
| Verse No | Verse |
| | <10> |
| 1 | line1 li=> |
| 2 | line2 li=> |
I would like to view it as
| Verse No | Verse |
| | <10> |
| 1 | line1 line |
| |…
user2740
- 539
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34
votes
5 answers
Emacs won't load theme on startup
I've installed the solarized theme package via MELPA. I can select one of the two solarized themes via `customize-theme and it activates it. When I save the theme settings it adds the following to my init.el file:
(custom-set-variables
;;…
user2249626
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34
votes
6 answers
Opposite of fill-paragraph
Emacs has the function fill-paragraph. Is there any function which will do the opposite of that?
I have a paragraph which is already filled and instead I want it in a plain single line?
Sibi
- 3,603
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34
votes
6 answers
Running spacemacs alongside regular emacs: how to keep a separate .emacs.d
I would like to try spacemacs. But I don't want to switch from my regular emacs configuration just yet, so I would like the configuration that's currently in my .emacs.d to be in one directory, and the equivalent configuration for spacemacs to be…
Croad Langshan
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