Install scrot (if not already installed): sudo apt-get install scrot
To pick a window, run ‘scrot -s’ and then click on the window that you want to capture. Screenshot is saved in your home dir by default.
AngularJS form validation and ng-messages
I’ve been working on a simple example AngularJS app uses ng-messages. Code so far is on my github here.
This is part of my ongoing activity learning AngularJS. You can see my other posts and progress so far here.
To get up to speed with ngMessages, there’s a great tutorial here, and online docs here.
Adding and removing cron jobs on Raspbian
crontab -l : lists current crontab
crontab -e : edits the currently scheduled jobs
You can temporarily disable a job from running just by commenting out the schedule line for the job.
Webstorm: Adding karma.conf.js to an existing Javascript project
To setup an existing HTML/Javascript project in Webstorm to use Jasmine and Karma:
- click the Terminal tab in the bottom left
- Enter: karma init karma.conf.js
- When prompted, answer the setup questions:
Which testing framework do you want to use ? Press tab to list possible options. Enter to move to the next question. > jasmine Do you want to use Require.js ? This will add Require.js plugin. Press tab to list possible options. Enter to move to the next question. > no Do you want to capture any browsers automatically ? Press tab to list possible options. Enter empty string to move to the next question. > Chrome > What is the location of your source and test files ? You can use glob patterns, eg. "js/*.js" or "test/**/*Spec.js". Enter empty string to move to the next question. > js/*.js > test/**/*Spec.js WARN [init]: There is no file matching this pattern. > Should any of the files included by the previous patterns be excluded ? You can use glob patterns, eg. "**/*.swp". Enter empty string to move to the next question. > Do you want Karma to watch all the files and run the tests on change ? Press tab to list possible options. > yes
Next, right-click the karma.conf.js file in the Project files area, and select ‘Create karma.conf.js’ – the dialog should point to your local karma and node.js installs, select the defaults.
Run the file and Karma starts up. Good to go!