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1500 questions
9
votes
6 answers
Selecting text without moving the cursor
I would like to grow a selection without moving point (the cursor) from its location. I know I can always use C-u C-spc to move to the previous location, but I would like to avoid that.
More specifically, I would like to do both of these…
Amelio Vazquez-Reina
- 5,197
- 5
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9
votes
2 answers
How do I filter kill-ring contents?
Is it possible to prevent kill-ring from storing whitespaces/empty lines? Right now after I do a couple of changes and then go to browse-kill-ring I often see something like this:
-------
-------
merchant_uuid: "some_uuid"
-------
it…
Ignacy Moryc
- 185
- 6
9
votes
2 answers
How can I fill the entire line number bar with a custom background color?
In the screenshot below I have simply set the background of the linum face to some color, however there is a blank region at the end of the buffer and there are gaps between the lines when line wrapping (global-visual-line-mode) is enabled:
…
Lenar Hoyt
- 1,173
- 7
- 25
9
votes
2 answers
How to implement the piping operator %>% in ESS mode?
Recently, R witnessed the smart introduction of the piping operator %>% or then operator in code which I use quite frequently nowadays. I wonder if this has already been implemented in the newest version of ESS. If not, it shouldn't be a problem to…
doctorate
- 1,829
- 17
- 40
9
votes
1 answer
How does Emacs compile the regular expressions?
I'm writing code that will have to do a lot of regular expression matching. I understand that a function like string-match or re-search-forward needs to process its regexp argument given as a string and turn it into a data structure that will be…
phs
- 1,227
- 7
- 13
9
votes
2 answers
Default commit comment for magit
Is there a simple way to have default text pre-populate in the comment buffer when commiting code with magit?
qhfgva
- 91
- 2
9
votes
3 answers
Lambda in `defun` Captures the Lexical Environment, But in `let` It Doesn't
My example is simplified:
(defvar wtf 10)
(defun f (wtf)
(lambda ()
(cl-incf wtf)))
(setq f (f 20))
(setq g (let ((wtf 30))
(lambda ()
(cl-incf wtf))))
(list (funcall f)
(funcall g)
wtf)
;; ==> (21 11…
shynur
- 5,253
- 1
- 4
- 25
9
votes
1 answer
How to cancel the minibuffer from the main buffer
Suppose that I do M-x blabla without pressing return and then I switch to the main buffer. If the curser is at minibuffer I can cancel the mini-buffer by the shortcut C-g. But if the cursor is at the main buffer, this shortcut doesn't cancel the…
Name
- 7,849
- 4
- 41
- 87
9
votes
3 answers
Set region to include enclosing parentheses
Starting with the point or active region, how do I quickly (in one keystroke / command) 'expand' to include the next set of enclosing parentheses?
If I start with: (| means point)
(defn foo [x] (+ x |42))
Or if I start with: (< and > bracket the…
David J.
- 1,849
- 1
- 14
- 24
9
votes
2 answers
Restoring windows and layout after an Ediff session
Looking for a solution on how to restore my window layout after an Ediff session, I found a blog post, where the author suggests:
(winner-mode)
(add-hook 'ediff-after-quit-hook-internal 'winner-undo)
This seems to almost work well for me. I say…
Amelio Vazquez-Reina
- 5,197
- 5
- 33
- 47
9
votes
2 answers
case-sensitivity of word completion using dabbrev
I sometimes use M-/ to complete words but it is not case sensitive. For example :
the word is : showPublic and when I write show and then put M-/, It completes as showpublic. How can I fix this ?
Or at least, how can I see the possible completion ?
Vivian Maya
- 787
- 1
- 6
- 17
9
votes
6 answers
When is the first element in the argument list regarded as a function symbol and when not?
I'm learning elisp, and I just learned that the first element of a list is interpreted as a function symbol. I then learned how to define a function with defun. Here's the example from An Introduction to Programming in Emacs Lisp
(defun…
norio
- 203
- 1
- 6
9
votes
2 answers
How to modify-face for a specific buffer?
I work with a lot of tabular data files and use stripe-buffer.el make them easier to read. But I also work with more than one, so I'd like to make it easier to distinguish among them as well and want to change the stripe colors per buffer.
I can…
wdkrnls
- 3,707
- 2
- 28
- 46
9
votes
2 answers
Org: Add front cover for LaTeX/PDF export?
I want to add a front cover for my Org document which will export as a PDF (#+LaTeX_CLASS: article). I don't want to modify my org-latex-classes and apply globally.
I tried to add the following block before first outline of the Org document, but it…
kuanyui
- 1,040
- 6
- 16
9
votes
3 answers
in org-mode, how to insert timestamp with today's date?
In a Lisp function, how do I instruct org to automatically insert a timestamp with today's date?
I found the function org-insert-time-stamp, but I don't know how to provide an argument for it that will return today's date.
The documentation for the…
incandescentman
- 4,221
- 20
- 53