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Generate a PDF with Scryber

Today we will generate a PDF with the open source Scryber. The best way to work with Scryber is to use a template (PDFX file) for the style, the layout and the static content, then insert the dynamic content with C#. Full documentation at this link. Good example at this link. Create a new XML […]

Open a file with the default application

If you double click on a PDF file, it will be opened by the default application linked to that extension. So if Acrobad Reader is installed it will be opened with that application. In .Net, we have Process.Start which can start an executable. So if we start a PDF file, it will be openend by […]

StopWatch – measure your perf.

So let’s say you have a few operations to run and it takes a while to finish the execution. You would like to know which step is taking so long and how to improve the performance of the application. First, you could simply put a break point in each methods, but what if you want […]

Install your SD card with NOOBS

First of all I use a 32 GB class 10 to be sure I have enough space and speed for all my tests. HOW TO INSTALL NOOBS ON AN SD CARD Once you’ve downloaded the NOOBS zip file, you’ll need to copy the contents to a formatted SD card on your computer. To set up […]


Multi threaded Singleton: using System; public sealed class Singleton { private static volatile Singleton instance; private static object syncRoot = new Object(); private Singleton() {} public static Singleton Instance { get { if (instance == null) { lock (syncRoot) { if (instance == null) instance = new Singleton(); } } return instance; } } }

Export DOCX to PDF

This is a simple code to convert any Word document to a PDF using the Word interop. using Word = Microsoft.Office.Interop.Word; … public Word.Document wordDocument { get; set; } public void ConvertWord2PDF() { var appWord = new Word.Application(); wordDocument = appWord.Documents.Open(@”D:\Tests\test.docx”); wordDocument.ExportAsFixedFormat(@”D:\Tests\test.pdf”, Word.WdExportFormat.wdExportFormatPDF); }  

Use a Dictionary

Here is a simple example of how to use a Dictionary with a Key-Value. var dico = new Dictionary<int, string>(); dico.Add(1, “Steeve”); dico.Add(2, “Morgan”); var result = dico.FirstOrDefault(x => x.Key == 1); var temp = result.Value; //temp = “Steeve”  

Tools For Angular

Different useful tools to develop AngularJS apps. Notepad++┬ásimply the best free open source text editor. Sublime Text 3 Chrome developer tool – out of the box (just right click then Inspect Element). AngularJS Batarang┬áChrome extension: useful to debug our application. JetBrains Webstorm IDE: according to me the best JavaScript editor.


AJAX (Asynchronous Javascript And Xml) = a methodology employing DOM in combination with techniques for retrieving data without reloading a page. <!DOCTYPE html> <html> <body> <div id=”demo”><h2>Let AJAX change this text</h2></div> <button type=”button” onclick=”loadDoc()”>Change Content</button> <script> function loadDoc() { var xhttp = new XMLHttpRequest(); xhttp.onreadystatechange = function() { if (xhttp.readyState == 4 && xhttp.status == […]