Steps to connect LocalDB to Visual Studio Server Explorer Open command prompt Run SqlLocalDB.exe start v11.0 Run SqlLocalDB.exe info v11.0 Copy the Instance pipe name that starts with np:\… In Visual Studio select TOOLS > Connect to Database… For Server Name enter (localdb)\v11.0. If it didn’t work, use the Instance pipe name that you copied earlier. You can also use this to […]
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 […]
Count the number of digit in a number
If you have a number like 137, and you want to know how many digits it is composed: var number = 137; var nbrOfDigits = Math.Floor(Math.Log10(number) + 1); //nbrOfDigits = 3
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 […]
Singleton
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++ simply 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 Chrome extension: useful to debug our application. JetBrains Webstorm IDE: according to me the best JavaScript editor.