Alex Joh's Blog

title: Developing Electron application with boilerpate, typescript, unit testing, bootstrap 4 and angularjs 2 (1) tags: javascript angularjs electron gulp boilerplate date: Dec 29, 2016 Preparing development environment ###Prequistics install latest version of node.js (6.9.2 for me) git repository Python (Python >= v2.5.0 & < 3.0.0.): Used with version 2.7.2 ###Reference Agnular Electron bolierplate Merge multiple stream ##Set up Angualr 2 and Electron Please refer homepage from bolerplate site. Skipping the details Modified clone command to change "electron-bolerplate" folder to "app" git clone https://github.com/szwacz/electron-boilerplate.git project # I deleted .\project\.git folder to include the source code into my git repo cd project npm install npm start I had an error, "node-pre-gyp can't find module internal/fs" when I used with node.js version 7.2.1. Please use version 6 for this boilerplate. Adding Bootst

ReplacingTextUsingITextSharp title: Replacing text in PDF file using iTextSharp tags: - PDF - Replace Text - iTextSharp date: Nov 11, 2016 Overview I’ve trying to replace text in PDF file and this is most simple way to replace text in PDF files. Before approaching this, I’ve tried to replace text using command toolkit with pdftk, qpdf to decrypt, and sfk181 to replace string with new, but this approach faced couple of issues; 1. font, 2. text area size. After long investigation, this may be easy way to replace text. Put white colored rectangle on top of string and stamp text on the location like erase text using whitner and write on top of it. Tools Visual Studio 2013 C# iTextSharp Code using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; using iTextSharp.text.pdf; using iTextSharp.text.pdf.parser; using iTextSharp.text; using System.IO; namespace EMTechnicalDieline { class Program {

Concept of Git Git has two repositories; local and remote. Two different commands type to commit the changes; 1. commit/add: load/save changes to the local repository. 2. push/pull/clone: load/save changes from/to remote repository. How to setup remote git server , bitbucket , with Visual Studio Code To use git, I downloaded it from [git-scm](“ https://git-scm.com/downloads “) and installed with bash mode to keep the comparability for different platform. Set up remote repository * Create project from bitbucket. In this case, I created “blogmarkdown”. Remember the URL for the git repository. To find out the repository, just add “.git” at the end of the URL from bitbucket. For me, it will be “ https://alexjoh@bitbucket.org/alexjoh/blogmarkdown.git ” Link the remote with local folder * Create local folder. In my case, I created d:\gitrepo Initialize git local repo. Change the folder to the gitrepo and run git init If there are existing files from a remote git re

Generating EAN 128 (GS1-128) barcode manually from any editor using EAN 128 font * If you like my article, please click AD on this blog. This will help me to motivate to keep up the posting. * Reference IDAUTOMATION Font Download EAN 128 Explanation Check digit calculator for Itemcode Free EAN 128 font Prerequistic font from idautomation: IDAutomationSC128M.ttf. The font is located at “IDAutomation_C128FontAdvantageDEMO\IDAutomation_C128FontAdvantageDEMO\Human Readable Fonts\Set C” Generate barcode manually from Microsoft Word EAN 128 is comprised of following structure Start code FNC Code Application Identifier(AI) code Data Repeating 3 and 4 to put multiple information into one barcode Check digit with MOD103 (remainder divied by 103) Stop code If you look at the barcode per character, you will notice that 3 lines will be represent one letter or symbol except the stop code which is 4 lines. To understand E