JavaScript

Getting started with SharePoint Framework

I started learning SharePoint Framefork (SPFx) to get better on client-side development for Office 365. I decided to go with SharePoint Framework as it has simple lightweight tooling available and also because it is well documented. This blog post is short and practical introduction to SPFx and it brielfy summarized everything important you need to know to get your first client-side web part up and running.

Real-time chart using ASP.NET Core and WebSocket

Using WebSocket support in ASP.NET Core we can easily write real-time data visualization solutions. What if we mix together ASP.NET Core, WebSocket, Knockout and 3D charts? The answer is – nice real-time chart that visualizes sensor readings. This blog post introduces simple real-time chart and IoT device simulator that help to get started with real-time data visualization.

Beautiful cross-browser equations with MathJax

Some posts about my IoT solution that helps me to cool eisbock beer to freezing needed mathematical equations. I know I can use poorly supported MathML or bitmap images but both of these solutions come with problems. I tried to find some better solution and found MathJax.

Aloha Editor–simple and easy to use WYSIWYG editor

Some sites need simple WYSIWYG editor just to provide some simple formatting options for some texts. I needed editor like this on one of my ASP.NET MVC projects. Although there are lot of editors and it is not hard to build your own simple editor I took Aloha Editor. Let’s see why.

Four new single page application templates

ASP.NET and Web Tools 2012.2 are officially out and although it brings a lot of new stuff to us I want to stop on new Single Page Application templates available by community. I was able to get them all work and now let’s take a look at them.

Moving ASP.NET Single Page Application to TypeScript

I just moved ASP.NET Single Page Application out-of-box example to TypeScript. My idea was to try out how TypeScript works and what it means to move existing JavaScript application to it. Here is overview about what I did and what was my experience with my first steps on TypeScript.

Using jQuery webcam plugin with ASP.NET MVC

I have to use webcam images in one of applications I build and when playing with different components I found free and easy to use Flash and jQuery based webcam component called jQuery webcam plugin. In this posting I will show you how to use jQuery webcam plugin with ASP.NET MVC application to save captured image to server hard disc.

New ASP.NET Single Page Application Template

I downloaded last version of ASP.NET and Web Tools 2012.2 and digging around in Single Page Application project template. It has changed a lot compared to last beta (it was not part of stable version) and it is interesting to me to see what’s going on. I also found some good resources about SPA-s to share with your.

My experiences with Knockout

It has been quite here for some month as I was very busy on some critical projects and I also got used to be a father to one wonderful baby. Now it’s time to get back to community stuff and this time I will dig to fancy JavaScript library called Knockout. This was one of interesting journeys I have had together with fellow ASP.NET MVP Hajan Selmani.

Timepicker–nice extension to jQuery UI Datepicker

jQuery UI Datepicker is popular dropdown calendar component. It is powerful, easy to use and one of my favorites for sure. Sometimes we need more than just picking dates. In one of my projects I needed something similar but instead of just dates I had dates and times. As I’m not strong on jQuery I looked for ready made component to get this functionality and then how I found Timepicker extension for jQuery UI Datepciker. Here’s how it looks and how to use it.

Bing Maps: Adding and tracking pushpins using JavaScript

I played with Bing Maps AJAX-based API and found it to be very easy to use after you know basic objects and you are able to use them. In this posting I will show you simple example about how to add pushpins to map and how to show coordinates of pushpins to users.

How to make AJAX-requests to ASP.NET MVC application using jQuery

I decided to write over long time one posting that is directed to beginners who start with jQuery and AJAX. One of the first things to study is how to make requests to server and how to retrieve objects. In this posting I will show you how to use jQuery to retrieve JSON data from ASP.NET MVC application and how to debug it.

ASP.NET MVC Time Planner is available at CodePlex

I get almost every week some e-mails where my dear readers ask for source code of my ASP.NET MVC and FullCalendar example. I have some great news, guys! I ported my sample application to Visual Studio 2010 and made it available at CodePlex. Feel free to visit the page of MVC Time Planner.

JavaScript: Creating timestamps with time zone offsets

I was converting the example code of my Windows Azure session to Visual Studio 2010 solution called MVC Time Planner when I discovered some date and time offset issues in my JavaScript code. In this posting I will show you some useful tricks you can use to convert JavaScript dates and times to timestamps.

ASP.NET MVC: Using jQuery context menu with tables

I needed to add context menus to some tables of my intranet application. After trying some components I found one that does everything I need and has no overhead. In this posting I will show you how to use jQuery context menu plug-in and how to attach it to tables.

Linking jQueryUI DatePicker and FullCalendar

In one of my sample projects I wrote simple calendar solution. Users can select dates from calendar and see what events they have on selected days. I used jQueryUI DatePicker and FullCalendar components. In this posting I will show you how to link them together.

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