How to Get a Base64 Version of a File From Command Line / / No Comments A while back I wrote an article on how to Convert Image to Data URI with JavaScript. It’s a neat trick developers can use for any number of reasons. Instead of abusing canvas, however, why not simply get the base64 data from command line? You can use base64 and pbcopy to convert a file to base64 and copy it to the clipboard: # base64 gets data, pbcopy copies to clipboard base64 -i logo.jpeg | pbcopy Once you have the file data copied in base64 format, the URL format to use the data is: # data:{mime-type};base64,{data} data:image/jpeg;base64,/9j/4AAQSkZJRgAB...... While base64 data and data URIs do look cryptic, they’re useful to avoid making requests to other files. I use them... more → Posted in: JavaScript Tagged with: Base64, Command, file, from, line, version
Mapsaws – Jigsaws Made from Maps / / No Comments Jigidi is a free online jigsaw game. On Jigiidi you can choose to play thousands of online interactive jigsaw puzzles. If you join Jigidi you can also create your own interactive jigsaw puzzles. Many members of Jigidi have of course already made some fun jigsaw puzzles out of maps.Here are three OpenStreetMap jigsaw puzzles for you to try created by Karlos. These include a 330 piece jigsaw of a Maps Mania… more → Posted in: Interactive Maps Tagged with: from, Jigsaws, Made, maps, Mapsaws
How to Open a Tor Brave Window from Command Line / / No Comments I love the Brave web browser for many reasons: ad blocking, Brave rewards, crypto integration, and even a Tor tab feature. I’ll often use the Tor feature but wanted to know how I could automated opening Tor windows from command line. To open a Brave Tor tab, you can use the following command: open -a "Brave Browser" --args --incognito --tor Any time I want to remotely open a Tor tab, I can do so via a shell script. Commands are such an underused but valuable utility for apps! The post How to Open a Tor Brave Window from Command Line appeared first on David Walsh Blog. David Walsh Blog… more → Posted in: JavaScript Tagged with: Brave, Command, from, line, open, Window
How to Open an App from Anywhere on Mac Command Line / / No Comments Many engineers like myself live in the command line, and perform actions from command line that most others would click an icon for. I’ve always found opening apps from command line on Macs painful. You need to references the Applications directory, add .app to the name, etc. I just want to open apps by name. To open an app from any directory by its simple name, you can use the -a argument to open: open -a Cyberduck # Works regardless of case as well open -a CyBeRdUcK I love -a for a command like open. Being able to open any app by name is exactly what I want! The post How to Open an App from Anywhere on Mac Command Line appeared first on David Walsh Blog. David Walsh Blog… more → Posted in: JavaScript Tagged with: Anywhere, Command, from, line, open
Create a Thumbnail From a Video with ffmpeg / / No Comments Creating a thumbnail to represent a video is a frequent task when presenting media on a website. I previously created a shell script to create a preview video from a larger video, much like many adult sites provide. Let’s view how we can create a preview thumbnail from a video! Developers can use `ffmpeg, an incredible open source media utility, to create a thumbnail. To create a thumbnail from the first frame of a video, execute the following command: ffmpeg -i input.webm -vf "select=eq(n\,34)" -vframes 1 thumbnail.png Providing a video thumbnail is a great tool convert images into video views. You don’t need fancy software and manual labor to create thumbnails — use... more → Posted in: JavaScript Tagged with: create, ffmpeg, from, Thumbnail, video
Locate Empty Directories from Command Line / / No Comments As a software engineer that lives too much of his life on a computer, I like keeping my machine as clean as possible. I don’t keep rogue downloaded files and removes apps when I don’t need them. Part of keeping a clean, performant system is removing empty directories. To identify empty directories, I use the following command: find . -type d --empty To remove empty directories, we can add a --delete flag: find . -type d --empty --delete Keeping a clean machine is easy when you know the tools that can help you. find makes identifying and eliminating easy, so don’t be afraid to use it! The post Locate Empty Directories from Command Line appeared first on David Walsh Blog. David... more → Posted in: JavaScript Tagged with: Command, Directories, Empty, from, line, locate
Determine Default App for File Type from Command Line / / No Comments One quality of life improvement any developer can make for themselves is ensuring different file types open in the app they’re most proficient in. If you know me, you know I prefer accomplishing as much as possible from the command line. The duti utility allows users to determine default file type from command line. The duti utility allows developers to query which app is the default for different file types. You can install duti with brew: brew install duti Once you have duti available, you can check on the default app for file type with the following command: ~ duti -x md Xcode.app /Applications/Xcode.app com.apple.dt.Xcode You can set the default app by using its package: duti... more → Posted in: JavaScript Tagged with: Command, default, determine, file, from, line, type
Set Brave as Default Browser from Command Line / / No Comments I’ve been a huge fan of the Brave web browser for years. They’re crypto-friendly, provide native ad-blocking features, and even provide Tor integration. Whenever I set up new systems, I automate Brave as the default browser. You can use the following shell command to set Brave as the default browser: open -a "Brave Browser" --args --make-default-browser Brave has been an excellent browser with a progressive outlook web browsing. I recommend everyone use Brave! The post Set Brave as Default Browser from Command Line appeared first on David Walsh Blog. David Walsh Blog… more → Posted in: JavaScript Tagged with: Brave, browser, Command, default, from, line