Emacs Stack Exchange
Emacs Stack Exchange

Most Popular

more tags
1500 questions
39
votes
2 answers

Do I still need GNU ELPA if I have MELPA?

This has always confused me, since people are saying that MELPA does have newer versions of packages, but it's not really clear, if GNU ELPA is just a subset of MELPA, or if I do need both? The reason why I'm asking is that I'm experimenting with my…
Jakub Arnold
  • 493
  • 1
  • 4
  • 6
38
votes
3 answers

Make visual-line-mode more compatible with org-mode

visual-line-mode is very useful to wrap lines with the window size changing without inserting any newlines. But in org-mode, it also wraps the headline and source blocks which is a little bit annoying. So here comes my question: How can I turn off…
Leu_Grady
  • 2,420
  • 1
  • 17
  • 27
38
votes
3 answers

What's the difference between push and add-to-list?

I've found that different packages in their installation instructions use either push or add-to-list (For example adding a directory to load-path) and I was wondering what the difference is and what the use case for each would be.
shadowthief
  • 383
  • 1
  • 3
  • 5
38
votes
6 answers

How to reopen just killed buffer, like C-S-t in Firefox Browser?

Sometimes I accidentally kill a buffer and want to reopen it, just like C-S-t to undo closed tab in Firefox, but there is no built-in command in Emacs, the defun undo-kill-buffer in http://www.emacswiki.org/RecentFiles : (defun undo-kill-buffer…
CodyChan
  • 2,599
  • 1
  • 19
  • 33
38
votes
6 answers

How to update packages installed with use-package

I'm using use-package to install and configure packages (most of these packages are in melpa). Is there a clean automated way of keeping all these packages up-to-date ? If not, what is the best work flow in this case ? Note: A very similar question…
Jaagrit Sapana
  • 485
  • 1
  • 4
  • 5
38
votes
3 answers

Command that formats (prettifies) Elisp code

Let's say I have a function that looks like the following (as is often the case when printing elisp output). (defun my-example-function () (let ((a (do-something)) (b (do-something))) (setq someone me) (with-current-buffer b (do-that (or this (and…
Malabarba
  • 22,878
  • 6
  • 78
  • 163
38
votes
2 answers

How to check in elisp if a string is a substring of another string?

How to check if a string s1 is a substring of another string s2? For example (test-substring "f t" "df tj") --> t, (test-substring "ft" "df tj") --> nil.
Name
  • 7,689
  • 4
  • 38
  • 84
38
votes
2 answers

Reloading directory-local variables

How do you reload directory-local variables? I would like to modify a .dir-locals.el and have such changes applied to the current Emacs session.
Eleno
  • 1,428
  • 11
  • 17
38
votes
7 answers

How to pretty-format code (auto-insert newlines, indent, etc)?

I'm using spacemacs but presumably it's emacs knowledge that's required here. I have a JSON file with a single long line, let's say this JSON from json.org/example: {"menu": {"id": "file", "value": "File", "popup": {"menuitem": [{"value": "New",…
Emmanuel Touzery
  • 961
  • 1
  • 8
  • 17
38
votes
6 answers

org-mode: How to export underscore as underscore instead of highlight in HTML?

I am using org-mode, and the document I am writing has a table name whose name looks like this: tab_weekly_report. When I export the document to HTML, I expect the name to exported as tab_weekly_report, but org-mode treats _ specially (as a markup…
Daniel Wu
  • 1,711
  • 2
  • 17
  • 26
37
votes
5 answers

Recording a GIF screencast of Emacs

I see lots of folks posting animated GIF's showing off Emacs features, but I haven't seen a nice walk through on creating one. Is there any code that tries to link the keyframes of the gif to keypresses in Emacs? Is there any elisp packages or…
dgtized
  • 4,169
  • 20
  • 41
36
votes
4 answers

Show unbound keys

I want to define some key bindings for my new found usage of helm, amazing mode btw, and I want to do it without overwriting the usage of other keys. I realize that the number of different key combinations is infinite, but is there some way to see…
c-o-d
  • 910
  • 9
  • 19
36
votes
6 answers

How to set a short-cut for #+BEGIN_SRC #+END_SRC?

I read the org-mode manual but did not find a short cut to insert: #+BEGIN_SRC #+END_SRC I guess I need to create a configuration in ~/.emacs to set a shortcut? Or, is there a shortcut but I did not know? I use R much in emacs. Is there a way to…
Xianwen Chen
  • 461
  • 1
  • 4
  • 4
36
votes
2 answers

Is it possible to use both MELPA and MELPA-stable at the same time?

I use melpa-stable as an additional package repository, but one of the packages I like to use (icicles) isn't available on melpa-stable. Is there any way to configure package.el to normally use melpa-stable, but use melpa for a specific subset of…
Timo Geusch
  • 508
  • 4
  • 7
36
votes
2 answers

Understanding of emacs align-regexp

I've read the Emacs documentation for align-regexp but still have difficulty in understanding how it works. What I'm talking about is its prefixed form C-uM-xalign-regexp, not the simple form M-xalign-regexp. Here are my questions: Does the first…
Just a learner
  • 547
  • 5
  • 11
1 2 3
…
99 100