In this weeks screencast we fully replace bootstrap with material components for angular 2. Material2 just announced their alpha 2 release, adding a bunch of components, perfect timing for live coding screencast, code at https://github.com/ajtowf/ng2_play. The ng2play repo has also been updated to the latest angular2 version which at the time of writing is beta […]
In this screecast we solve two commonly asked interview questions; faculty and traversing binary trees. Screencast What’s recursion? A recursive function is simply a function that repeatedly calls itself and the trick is to realize when to stop calling ourselves to avoid infinite loops that result in stack overflows. If the interviewers ask you to […]
This is a first attempt on a series with focus on solving commonly asked programmer interview questions, in this first episode we’ll do prime factorization. Screencast And yes, I’ve been made aware of that 21 is not a prime, not easy to code and talk at the same time. :-) What the interviewers are looking […]
In this weeks screencast we take a first look at the material components for angular2 that just released their first alpaha, code at https://github.com/ajtowf/ng2_play. We’ll integrate the button and checkbox component into our ng2play repo, the idea is to fully replace bootstrap down the road. Screencast Components There will be breaking changes between alpha releases, […]
New screencast on Angular 2 beta 9, covering Lifecycle Hooks, get the code at https://github.com/ajtowf/ng2_play. Screencast The Lifecycle Hooks Directive and component instances have a lifecycle as Angular creates, updates, and destroys them. Here’s the complete lifecycle hook interface inventory, all of them available in the angular2/core library and called in the provided order. OnChanges: […]
If you’re getting “The current TransactionScope is already complete” from service calls that don’t even consume transactions, you’ll probably want to read/see this. Screencast and Code The code can be found on github, https://github.com/ajtowf/dist_transactions_lab, one change I did since the recording is that we don’t create the nhibernate factory with each call, we now use […]
Angular Material Fundamentals course released at pluralsight, make sure to check it out here, https://www.pluralsight.com/courses/angular-material-fundamentals, course trailer below: New course: #Angular Material Fundamentals by @ajtowf. Build responsive sites w/ Angular Material + Material Design: https://t.co/miGN1tXf5o — Pluralsight (@pluralsight) February 18, 2016 Hope you guys enjoy the course and learn a lot, and as always, have […]
Two part series where I implement token based authentication using Auth0 in 20 minutes, enjoy! Part I: Signup, Login and Logout Part II: ExpressJS backend Stay tuned for more screencasts, cheers!
TL;DR? See my screencast explaining problem instead: Problem When flowing a transaction from a client to a service Transaction.Current becomes null after awaiting a service to service call. Unless of course you create a new TransactionScope in your service method as follows: [OperationBehavior(TransactionScopeRequired = true)] public async Task CallAsync() { using (var scope = new […]
Started a new series on efficiency in visual studio with resharper, here’s the first part that’s on navigating the code. What’s your favorite navigation shortcut? Shortcuts used in video: Ctrl + Shift + T: Find everything Ctrl + T: Find files Ctrl + F12: Go to Implementations Shift + F12: Find Usages Ctrl + Alt […]
