Questions tagged [programming]
39 questions
113
votes
9 answers
How can I get a ruler at column 80?
As a programmer, I want to see a ruler at a specific column (usually 80), both so I see when I cross that column, but also to see how close I am getting to it so I can reformat my code early.
The options I have found so far are all not achieving…
Jorgen Schäfer
- 3,899
- 2
- 17
- 19
20
votes
3 answers
Track "TODO" items when writing code
Is there an easy way to create a list of "to-do" items on-the-fly when writing code? For example, suppose that I am writing a function write-this-now when I realize that I am also going to need to write a support function write-this-later.
(defun…
nispio
- 8,175
- 2
- 35
- 73
15
votes
9 answers
How to edit elisp without getting lost in the parentheses
I'm modifying some elisp code from linum.el:
(custom-set-variables '(linum-format 'dynamic))
(defadvice linum-update-window (around linum-dynamic activate)
(let* ((w (length (number-to-string
(+ (count-lines (point-min) (point-max)) 1))))
…
Zhro
- 359
- 3
- 11
12
votes
2 answers
Display the beginning of a scope when it is out of screen
I would like to display the opening part of a scope when this one get out of screen.
Example:
namespace a
{
...
--------------------- <- display frame
... |
}* | * when cursor is here display "namespace a"…
log0
- 320
- 2
- 8
8
votes
2 answers
How to integrate SLIME with MIT Scheme?
I know basics of Common Lisp. I've learned it using Emacs + SLIME, and I must say that without these two I wouldn't learn too much - using bare REPL is tough job. However, SLIME makes a great job at turning REPL into great environment for…
MatthewRock
- 1,453
- 13
- 27
8
votes
1 answer
How should comint-derived modes keep track of buffers and processes?
Having written a couple of custom comint-derived modes, I often find it tricky to decide how to keep track of buffers and processes: for instance, to associate different source buffers with different interpreters. Is it better to keep a reference…
user1968
7
votes
3 answers
How can I build a regexp insensitive to case?
I have a bunch of keywords:
set
write
quit
which each can be shortened down to one letter:
s se set
w wr wri writ write
q qu qui quit
Further, these keywords are case-insensitive, so the following are added to the mix:
s S se sE Se SE ...
w W…
Sean Allred
- 6,861
- 16
- 85
5
votes
4 answers
Looking for a shortcut to select the function/method at point
I have this problem in JavaScript, but I understand the solution to it could be more general. My cursor (point) is on the name -or on the body- of a function, like this :
function test() { // My cursor is here or anywhere between "function" and…
kotchwane
- 481
- 2
- 12
5
votes
1 answer
Show current function in header line
I have used a package before which used the header line to show the name of the current function being edited. Whatever package it was, I don't have it installed now. What are my options for getting this sort of functionality?
How can I have a…
nispio
- 8,175
- 2
- 35
- 73
5
votes
2 answers
How to show startup screen instead of scratch, when no file is opened?
Like a lot of people I think I activated inhibit-startup-screen because it’s ugly and tedious to always have your emacs horizontally split when you open a file with half taken by an useless startup screen… But I notice I find it better/more…
galex-713
- 245
- 2
- 8
5
votes
1 answer
Display function arguments in echo area?
Is there a package to let emacs display the parameters of a function while typing?
For example, if I were to start typing printf( in C, I would like it to display the format taken from man pages, kinda like auto-completion, but without actually…
CodeSammich
- 365
- 3
- 12
4
votes
1 answer
Sleep until predicate is true
I want to sleep until a predicate is true, without blocking the rest of Emacs from executing.
For example:
(defun clock-striking-one-p ()
(eq clock 1))
(defun hickory-dickory-dock ()
(run-up-clock)
(sleep-until clock-striking-one-p)
…
Matthew Piziak
- 5,958
- 3
- 29
- 77
3
votes
1 answer
How can I have a bracket guide when programming?
What I am looking for is a guide to show what area of the code a set of brackets covers. I am not referring to highlighting the match between parentheses or brackets but instead outlining the field between those brackets as show in here:
This image…
qKweint
- 90
- 6
3
votes
2 answers
Retracing steps with emacs (When programming /exploring)
Often when fixing a bug or implementing a new feature in a code repository, I start off with an investigatory step.
For example, I would have a lead, a word such as "Article" and I would start by grepping the codebase for "Article".
Suppose there…
american-ninja-warrior
- 3,773
- 2
- 21
- 40
3
votes
1 answer
How do I prevent backups of scripts from being made executable?
If I edit an executable script, say foo.sh, then upon saving emacs makes the backup file foo.sh~. That's all well and good, but if the original file has the executable bit set, then so does the backup. This is a little annoying; is there a way to…
greatBigDot
- 153
- 3