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Showing posts from January, 2016

Build React Native App (4) - Redux, Jest, and NativeBase

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From this blog, typescript feature will be added. There are couple of ways to implement static type checking like; flow from facebook, PropTypes and Typescript. Typescript is well integrated with Visual Studio Code and supports better linter, error messages, and intellisense. Reference site Github Sample Ex4 Currnet version D:\GitRepo\reactnative>npm --version 6.3.0 D:\GitRepo\reactnative>react-native --version react-native-cli: 2.0.1 react-native: n/a - not inside a React Native project directory D:\GitRepo\reactnative>yarn --version 1.9.4 Creating React Native App $ react-native init ex4 If you want to specify the version, add "--version 0.57.3" at the end. Add NativeBase to React Native $ npm install native-base --save ... + native-base@2.8.1 added 71 packages from 42 contributors, removed 50 packages, updated 829 packages and audited 34989 packages in 138.542s found 0 vulnerabilities $ $ yarn yarn install v1.9.4 warning package-lock.json found. You...

Generating EAN 128 (GS1-128) barcode manually from any editor using EAN 128 font

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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...