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25
votes
2answers
16k views

How to change the cursor type and color?

I would like to change the cursor, like in Terminal, from the block to the I-Beam cursor. From this: To this: How would I do this? Also, on a side note, how do I change the color of the cursor?
25
votes
3answers
3k views

What's the difference between the different vim implementations?

I'm aware of several different vim implementations in Emacs. There's evil-mode, viper, vimpulse and vim-mode. Are there others? How do they compare? I note that there are a lot of evil-* packages on ...
25
votes
2answers
2k views

How to clear a cell in an org-mode table?

Is there a built-in command to delete the contents of a cell in a single keystroke within an org-mode table? Note, I don't want to delete the row, just the cell contents. | some text | ==> | ...
25
votes
6answers
5k views

How can I get an org-mode outline in a 2nd buffer as a dynamic table of contents?

When I edit large documents, I would like to see where I'm at by seeing the outline (with no-content) in a separate buffer. Like when you read a PDF file there is a TOC on the left. (see below) In ...
25
votes
3answers
9k views

Untrack file without deleting it?

I have a tracked file in a git repository. How do I untrack this file without deleting it using magit?
25
votes
2answers
3k views

Add operating system clipboard to kill ring

Often I find myself copying a code snippet into my operating system's clipboard from the internet. Then, I take the following simple steps: Switch to my Emacs window Find the place where I want to ...
25
votes
2answers
1k views

Can functions access their name?

In C there is the magic variable __func__ that holds the current function name. In Bash, there is an array FUNCNAME holding the names of all functions in the calling stack !!! Is there a similar ...
25
votes
2answers
2k views

What are overlays for, and how do they differ from text properties?

The manual states: You can use overlays to alter the appearance of a buffer's text on the screen, for the sake of presentation features. From its name, it suggests it can be used to create “...
25
votes
2answers
7k views

How to reset color theme?

When I'm trying different color themes out, it seems if a particular element is not defined in the new theme the old theme value is retained, and this leads to some clashing. This happens in emacs 24 ...
25
votes
5answers
8k views

Emacsdaemon and Emacsclient on Mac

OS: OS X 10.9.5, Mavericks GNU Emacs 24.3.1 (x86_64-apple-darwin13.1.0, Carbon Version 1.6.0 AppKit 1265.19) of 2014-04-03 on Rainers-MacBook-Pro-3.local I installed emacs via homebrew from ...
24
votes
6answers
7k views

Switching between window layouts

When I configure a custom layout and then just need to temporary look into one file fullscreen and once I want that layout back - I need manually to reflow it. I would like a plugin/elisp code to ...
24
votes
3answers
6k views

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 () ...
24
votes
6answers
21k views

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": "...
24
votes
2answers
206k views

What is the regex to match a newline character?

In Emacs regex, \n doesn't match a new line character \n. Am I correct that $ matches the position between a new line character and the character right before the new line character. e.g. for a ...
24
votes
1answer
18k views

How to use pdf-tools (pdf-view-mode) in emacs?

pdf-tools includes pdf-view-mode which offers several features not present in doc-view-mode (see end of question). Can pdf-view-mode be used as a replacement for doc-view-mode generally, or does it ...
24
votes
2answers
5k views

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 ...
24
votes
1answer
2k views

What algorithm does sort use?

I need to add a single integer to a list that's already sorted, such that it goes in the right place. My first tought was something like (sort (cons newelt list) #'<) However, given that list is ...
24
votes
4answers
3k views

Easiest way to downgrade a package installed via MELPA

Sometimes, package updates from MELPA can break some part of emacs and when that happens I'd like to be able to revert back to using an older version of the package. Right now, I can do it in two ...
24
votes
1answer
870 views

How can I quickly toggle between a file and a *scratch* buffer having the same major mode?

At times while working on a code, it's useful to quickly open a *scratch* buffer to paste a snippet from that code file. If I am working on a Perl script, I would like to quickly open a *scratch* ...
24
votes
4answers
6k views

org: How to sort headings by TODO and then by priority?

I often have a list like this: * Main heading ** TODO [#A] Make world better ** TODO [#B] Make Emacs better ** TODO [#B] Customize emacs ** DONE [#C] some task ** TODO [#A] Launch rocket to mars I ...
24
votes
3answers
18k views

How to set up elpy to use python3?

When setting up my emacs for a new work environment, I am unable to get the elpy configuration to correctly use python 3. I have installed all of the required packages in /usr/local/bin and have ...
24
votes
1answer
1k views

What is the difference between ' and #' in front of a symbol?

I'm a little new to Emacs. When looking at some of the configurations, I found there are two types command in "add-hook". (add-hook 'LaTeX-mode-hook #'LaTeX-math-mode) and (add-hook 'LaTeX-mode-...
24
votes
1answer
9k views

How to highlight text permanently in org-mode

I know I can use *bold*, /italic/, _underlined_, =verbatim= and ~code~, and, if you must, ‘+strike-through+’ to do some markup to text according to org-mode documentation, but they are not enough for ...
24
votes
3answers
2k views

Let Emacs move the cursor off-screen

This question was originally asked at https://stackoverflow.com/questions/15895313/let-emacs-move-the-cursor-off-screen, but all the answers I got more or less said "it can't be done", which with ...
24
votes
1answer
3k views

Set the background of org-exported <code> blocks according to theme

I export org-mode files quite often, and almost all of them have code in them. When I do export code, it ends up coloring the text depending on my theme, however, I switch between a dark theme and a ...
23
votes
8answers
4k views

Close all dired buffers

Sometimes my buffer list has 10+ dired windows, and I end up using buffer-menu to manually mark and kill all of them. Is there a faster way to close all open dired windows?
23
votes
5answers
33k views

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 ...
23
votes
4answers
6k views

Understanding SCHEDULED in Org mode

I've read the various manual pages about DEADLINE and SCHEDULED, and have used them both. I understand that DEADLINE is used in the Agenda to alert in advance about an upcoming deadline, and to ...
23
votes
2answers
3k views

Org Mode link to open directory in Dired

I'd like to have a link like [[file:~/projects][Projects]] open directly in Dired rather than Finder (I'm on a Mac), which is what it does now. Is there a way? (Of course there's a way. It's ...
23
votes
3answers
18k views

Suitability of Emacs as a Java development IDE

I'm making yet another attempt to convert over to Emacs. I'm a decent Vi user but have been using Eclipse for most of my development work for the past 10+ years (has it been that long). So I did some ...
23
votes
5answers
2k views

How do I force re-evaluation of a defvar?

Suppose I have an Emacs lisp buffer that contains: (defvar foo 1) If I call eval-last-sexp or eval-buffer, foo is bound to 1. If I then edit this buffer to: (defvar foo 2) eval-last-sexp and eval-...
23
votes
5answers
3k views

How do I automatically save org-mode buffers?

I regularly use org-mode and the agenda to keep track of my to-do list. Since I use Dropbox to sync my list, I need the same tasks to be available on all computers. Sometimes during the course of my ...
23
votes
1answer
3k views

Curiosity: What does progn stands for?

According to Emacs documentation: progn is a special form in `C source code'. (progn BODY...) Eval BODY forms sequentially and return value of last one. What does progn stands for (or its origin)? ...
23
votes
1answer
661 views

What is the function `purecopy` needed for?

I was browing through compile.el and I noticed this construction: (defcustom compile-command (purecopy "make -k ")) The purecopy docs state: purecopy is a built-in function in `C source code'. ...
23
votes
3answers
4k views

How can I run an async process in the background without popping up a buffer?

I have defined some functions to run async background process using async-shell-command in my .emacs, but everytime I run the commands a new window (not frame) is created and the process' buffer is ...
23
votes
2answers
872 views

What was Emacs like back in the 80s?

I've looked all around for footage of ancient Emacs distributions, but to no avail. The source code for Emacs 16.56 from July 15, 1985 is available on Github, but under no circumstances could I manage ...
23
votes
3answers
1k views

Fixing DOuble CApitals as I type

I have a bit of a slow pinky. As my other fingers get faster and faster at typing, my pinky just can't keep up. This frequently leads me to type sentences whose first word starts with two uppercase ...
23
votes
1answer
2k views

Magit equivalent for “git remote -v” (list remotes)

I'm wondering if there is a magit equivalent to git remote -v to list remotes and their URL's defined on a git repository. The magit remotes popup offers options to add, remove, rename, and set url, ...
23
votes
2answers
3k views

Exporting org file breaks when upgrading to orgmode 8.3

My orgmode was recently updated to the recent 8.3, and I found that I can't export my init.org file as HTML any more. I'm getting the following output in *Messages* buffer: org-babel-exp process ...
23
votes
5answers
11k views

Browser-style 'tabs' for emacs?

I would like tabs like firefox but for emacs. I found this: http://emacswiki.org/emacs/TabBarMode But it just add to each buffer (window in Emacs terminology) a bar that shows currently open buffers....
23
votes
3answers
5k views

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 ...
23
votes
4answers
3k views

Line height with unicode characters

Some Unicode characters cause the line they are displayed on to be quite large. For example, a grave accent "̀ " adds about 2.5 lines of space above and below it. Other characters that cause this ...
23
votes
2answers
1k views

Is there any way to order helm results by commonly used?

It seems that the order of helm results is never useful... I either have to navigate through the long list or keep typing until I've narrowed the list enough. Is there any way to sort the results in ...
23
votes
3answers
1k views

Smooth (mouse) scroll for inline images?

I display images in-line with begin_src & result blocks. However, for large-images, when I scroll past the bottom of the image, I get a 'jerk' and the whole image is scrolled away. Similarly if I ...
22
votes
8answers
6k views

Hide list of minor modes in mode-line

I use quite a few minor modes and usually I know which minor mode is enabled in every major mode. If I really want to see the full list, I can run C-h v minor-mode-list. At the same time, my mode ...
22
votes
10answers
14k views

How do use Emacs to look up a function in Python?

What is the easiest way to configure Emacs to be able to look up where a function is defined? I want to highlight it in Emacs and press a key combo to look up where the source of the function is. Can ...
22
votes
6answers
4k views

Flycheck with file relative eslint executable

A lot of projects I work on install eslint as a dev dependency, with a custom set of eslint plugins. Right now, flycheck uses the globally installed version of eslint rather than the version of eslint ...
22
votes
2answers
7k views

How to make yasnippet and company work nicer?

In my emacs, let's say, I use a "elisp" yasnippet to extend a lisp block in org-mode. But before I extend it, company is triggered first, which gives me a menu like "1. elisp1, 2. elisp2" without an ...
22
votes
2answers
3k views

How to evaluate Elisp code contained in a string?

The question pretty much says it all: I have a string containing the source code for a valid Elisp expression, and I would like to evaluate it. (In Python, for example, the expression eval("1 - 2 + 3"...
22
votes
2answers
961 views

Is there a mode to automatically update copyright years in files?

Usually around this time of year people start to realize that their copyright year is out of date in their files. This is particularly annoying if you like to put the copyright in every source file. I ...

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