Emacs on Raveen Kumar

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Wed, 17 May 2023 00:00:00 +0000

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Emacs symbol search at point

Wed, 12 Apr 2023 00:00:00 +0000

To enter symbol search press M-s . this with execute isearch-forward-symbol-at-point function. This is similar to vim’s * key. I accitentally pressed it instead of M-s h . and found it while trying to highlight a symbol, lol.

Mark ring and Jumplist with emacs and helm

Fri, 07 Apr 2023 00:00:00 +0000

Like vim, emacs has an alternative to jump list. It is called mark rings but its difficult to use. Fortunately there is a helm and counsel function to help us navigate the mark rings. Add this following command to emacs init file,

(global-set-key (kbd "C-c '") 'helm-all-mark-rings)

I use C-c ' to browse mark rings.

Stop asking tags table to be reset every time a new file is visited in a different project

Fri, 07 Apr 2023 00:00:00 +0000

(setq tags-add-tables nil)

Emacs configuration for perl programming

Fri, 03 Mar 2023 00:00:00 +0000

Configuration taken from https://www.emacswiki.org/emacs/CPerlMode

;;; Perl
;; cperl-mode is preferred to perl-mode
;; "Brevity is the soul of wit" <foo at acm.org>
(defalias 'perl-mode 'cperl-mode)
(setq cperl-invalid-face nil) 
(setq cperl-electric-keywords t) ;; expands for keywords such as foreach, while, etc...
(setq cperl-hairy t) ;; Turns on most of the CPerlMode options

Emacs keybindings work on macos

Thu, 23 Feb 2023 00:00:00 +0000

I was suprised to find out that when I accidentally pressed ctrl-k on a line it killed it in macos. Looks like some emacs keybindings are supported system wide by default.

http://irreal.org/blog/?p=259

Explained in this blog post.

【Ctrl+f】, 【Ctrl+b】, 【Ctrl+a】, 【Ctrl+e】, 【Ctrl+k】, 【Ctrl+y】, 【Ctrl+p】, 【Ctrl+n】, and a few others work across the whole system.

Killed it

Tue, 21 Feb 2023 00:00:00 +0000

Emacs File-info package

Mon, 20 Feb 2023 00:00:00 +0000

Found a new package today. Does exactly what I want. List and copy the file info and path with a keybind and a popup window.

https://github.com/Artawower/file-info.el

Installation:

Add this to you init.el file

;; File-info
(use-package hydra
  :straight t)
(use-package browse-at-remote
  :straight t)
(use-package posframe
  :straight t)
(use-package file-info
  :straight (:host github :repo "artawower/file-info.el")
  :bind (("C-c f i" . 'file-info-show))
  :config
  (setq hydra-hint-display-type 'posframe)
  (setq hydra-posframe-show-params `(:poshandler posframe-poshandler-frame-center
                                               :internal-border-width 2
                                               :internal-border-color "#61AFEF"
                                               :left-fringe 16
                                               :right-fringe 16)))

Emacs wrap region package

Mon, 20 Feb 2023 00:00:00 +0000

https://github.com/rejeep/wrap-region.el

Wrap Region is a minor mode for Emacs that wraps a region with punctuations. For “tagged” markup modes, such as HTML and XML, it wraps with tags.

Recursively grep with emacs lisp only

Mon, 20 Feb 2023 00:00:00 +0000

I was looking for a way to recursively grep inside a directory and a find-grep replacement since its not availabe in windows and I found this.

https://www.reddit.com/r/emacs/comments/bxtwfg/grep_and_find_but_in_pure_emacs_lisp/

(project-find-regexp)

Text Editors

Sun, 19 Feb 2023 00:00:00 +0000

Advising a function in emacs lisp

Thu, 16 Feb 2023 00:00:00 +0000

One of the awesome things that I found when programming in elisp is the advice. For any function, you can advice before, after, around, to it.

When you advice a function A with a function B. Function B will executed before it. This is really interesting and useful.

(advice-add 'funa :before 'funb)

EMACS is a event based program, it has hooks, advices and all that goodness to modify and customize anything. 🪝

Emacs

Thu, 16 Feb 2023 00:00:00 +0000

You mean Vim?

No matter how much I try EMACS is just too slow for me. Its not snappy as vim. and often times its lagging and hanging and the package management is too slow. Its bluky and full of bloat. Dont get me wrong the base emacs is great. But as soon as I add packages and try to modify it, it keeps getting bulkier and difficult to manage. Whereas vim is snappy. And I can full use tmux and terminal and my hands and safe from injuries. And its comfy.

Open new eshell buffer without closing the current one

Thu, 16 Feb 2023 00:00:00 +0000

I usually run multiple shell instances in terminal. If you already have one eshell buffer open. You can use prefix command to open a new eshell buffer without closing the current one.

C-u M-x eshell

https://stackoverflow.com/questions/2540997/create-more-than-one-eshell-instance-in-emacs/75480565#75480565

Here is my implementation of new eshell buffer / instance.

(defun eshell-new-buffer (args)
  "Create a new eshell buffer."
  (interactive "P")
  (eshell "new")
  )


(global-set-key (kbd "C-c e e") 'eshell)

(global-set-key (kbd "C-c e n") 'eshell-new-buffer)

Copy paste org tables into confluence with proper formatting

Wed, 08 Feb 2023 00:00:00 +0000

Copy paste org tables into confluence

Select all org table replace + with | in header seperator and copy paste into confluence page and it will automatically convert to tables.

Emacs Conf 2022

Fri, 03 Feb 2023 00:00:00 +0000

EMACS conf 2022

Emacs drag and drop with mouse

Thu, 12 Jan 2023 00:00:00 +0000

Emacs drag and drop text with mouse Changing Emacs drag-n-drop behavior - YouTube

Set inline image width in org mode

Fri, 06 Jan 2023 00:00:00 +0000

(setq org-image-actual-width (list 250))

This will set the value to 250px. You can customize this in the org customization buffer as well.

https://www.reddit.com/r/emacs/comments/hwsmuf/downscaling_inline_images_in_orgmode/

Spent a lot of time on configuring emacs. Hopefully this will improve my speed.

Fri, 06 Jan 2023 00:00:00 +0000

Benchmark doom emacs

Thu, 05 Jan 2023 00:00:00 +0000

What is the correct way to profile Doom startup? · Issue #4498 · doomemacs/doomemacs (github.com)

Using emacs is getting harded and harder these days

Wed, 04 Jan 2023 00:00:00 +0000

Especially its been very difficult on the remote machines. The few seconds of slowness and hangs is causing too much problem for my productivity.

Photo by Matthew Henry on Unsplash

Thoughts on vim and emacs

Sun, 27 Nov 2022 00:00:00 +0000

I will keep using this for 1 more year.

Switch to vim when required.

“A blade can cut a hair, but an axe can cut a tree. But a blade can’t cut a tree and an axe can’t cut a hair.”

Emacs can highlight git merge conflicts in buffer

Mon, 30 May 2022 00:00:00 +0000