These rules were obtained from the text Designing the User Interface by Ben Shneiderman. Shneiderman proposed this collection of principles that are derived heuristically from experience and applicable in most interactive systems after being properly refined, extended, and interpreted.
Convert Long raw fields to varchar2 in Oracle with plain SQL
Oracle has a LONG RAW datatype that is used primarily in its system tables. There are cases where these tables need to be read from an application. There is a catch though, the common methods used to cast a datatype to another cannot be used in a plain SQL statement, but the developer must use […]
Exporting data to Excel
In this article we will see how we can export data to an Excel file in a web application where the Interop library might no be available. We saw a similar approach in a previous article but that approach generates a file that is not a proper Excel file, rather it was a text file […]
Things around the web #4
This post gathers a few things I ran into the last few weeks and thought it would be fun to share it with you.
Create HTML table from Chartjs data
In this article we will see how we can convert a data source compatible with Chartjs to an HTML table.
Verify JWT token signed with RS256 using the public key
In this article we will see how we can verify a JWT token that has been signed with the RS256 algorithm. While there are more than a few libraries for .NET that provide functionality to decode and verify JWT tokens, none of them support the specific algorithm.
jQuery smartType plugin
smartType is a small and lightweight plugin that helps you bind events to a textbox when hitting Enter (e.g. saving) or hitting ESC (e.g. canceling). The functionality it provides is very simple and its purpose is to avoid writing over and over again the same trivial code.
Google+ login for your website
In this article we will see how we can implement Google+ login for your web application. We will use the JavaScript SDK but Google has more than one SDKs available for your language of choice.