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What do you need to know about helm in Emacs?
Helm cleans the legacy code that is leaner, modular, and unchained from constraints of backward compatibility. Helm is an Emacs framework for incremental completions and narrowing selections. It helps to rapidly complete file names, buffer names, or any other Emacs interactions requiring selecting an item from a list of possible choices.
What does it mean when Emacs hangs, freezes or crashes?
When Emacs hangs or freezes, usually it means that Emacs is stuck in a loop, and you should press C-g to get out. If C-g doesn’t do anything and your Emacs is still frozen, it is likely that you ran a command that synchronously called an external program which for some reason is not finishing its job.
Which is the best completion style for helm?
NOTE: helm-mode is using Emacs completion-styles by default, you may want to configure your completion-styles for a better experience. The recommended setting is to use (setq completion-styles ‘ (flex)) if flex is available in your Emacs (27+ only) otherwhise use the helm-flex style (emacs-26).
What to do when Helm is not working?
When you have problems like Helm beeing slow or something not working, always fallback to default settings. Configure Helm yourself, don’t use preconfigured Emacs that configure wrongly Helm for you. Refrain installing all Helm packages you find in Melpa, check first if the feature you are looking for is available in Helm.
How to tell helm to ignore certain files?
I’m not sure when this functionality was introduced, but you can exclude files from helm-find-files by setting helm-ff-skip-boring-files to t and making sure the ignored pattern is on helm-boring-file-regexp-list. From its documentation: Non–nil to skip files matching regexps in helm-boring-file-regexp-list.
How is helm used to display different sources?
Helm allows displaying different sources in same session. Helm displays its candidates in a window or a frame, keeping the minibuffer for user input. Helm provides a full set of actions for each of its sources, each action apply on a single candidate or a set of marked candidates.
Is it possible to watch YouTube in Emacs 25?
Watching youtube inside Emacs 25! The upcoming Emacs 25 include a real web browse based on Webkit, thanks to the addition of xwidget. You can now have a real web browser inside Emacs, and it renders fast, too! Here are some demos:
Which is the best way to use helm?
Helm cleans the legacy code that is leaner, modular, and unchained from constraints of backward compatibility. In addition of its framework where you can build your own Helm applications, Helm provides preconfigured commands to browse and search incrementally in files, buffers, bookmarks etc… and much more.
How to use multi pattern matching in helm?
Helm support by default multi pattern matching, it is the standard way of matching in helm. E.g You can use a pattern like “foo bar” to match a line containing “foo” and “bar” or “bar” and “foo”. Each pattern can be a regexp. In addition helm support fuzzy matching.