Posts

Many editor can wrap a line that reaches the window width and show an indicator in the margin, for example, Emacs. Emacs line wrap with bent arrow in fringe I want to add such line wrap indicators to the code block in HTML. It is easy to add indicators as background image in CSS. But the indicators should only be shown when the line is wrapped. And from the figure, the wrap indicator is not displayed on the last line in the right margin, and not on the first line in the left margin. There’s a :first-line pseudo element selector, there’s no :last-line. However, it can be achieved by using :before and :after with position trick. You can check the result in this jsfiddle. Resize the result panel to see the line wrap indicators. Following is a detailed explanation.

Not fully tested, let me know if it mess up your buffer. ※ my-ruby-mode.el (font-lock-add-keywords 'ruby-mode '(("\\(\\b\\sw[_a-zA-Z0-9]*:\\)\\(?:\\s-\\|$\\)" (1 font-lock-constant-face))))

Pow is a zero-config Rack server for Mac OS X. Here I steal its idea to build a zero-config system based on Nginx with Passenger.

RVM has since moved to using .profile, so just put the “cd .” in .profile and it will work — Mikael Wikman commented below Original Article Tmux is a terminal multiplexer. I switched to Tmux from GNU Screen recently. I work on several Ruby projects. I use RVM to manage gem set for different projects, and use rvmrc file to switch gem set automatically. I usually start a Tmux session for a project in its root directory, so all the windows and panes in the session use the project root as default directory. The problem is, the new created shell in the session does not load .rvmrc in the root directory. I have to force loading the file using “cd .”…

Mendeley is a research management tool for desktop & web. It has clients for Linux, Mac, Windows and iPhone and a Web interface. Mendeley can manage any document, but is better to work with PDF. The file meta data are synchronized though Mendeley server. The attached files (PDF or any other formats) can also be synchronized, but the free account has a quota of 500MB. However, the attached files directory and underlying sqlite database can be synchronized manually.

This article demonstrates how to quickly switch to a window using gpicker and wmctrl. You type significant letters of workspace name, application name or title and gpicker provides a list of windows you most likely mean to pick.

@miloyip has published a post recently which motioned the Alias Method to generate a discrete random variable in O(1). After some research, I find out that it is a neat and clever algorithm. Following are some notes of my study on it.