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Category: JavaScript

Webpack tutorial - part 01 - introduction

webpackUntil a web application is at the development stage, you may ignore bundling modules. But when it goes to production, you start considering minification and reducing a number of requests for static resources to the server. Webpack is currently one of the most popular solutions for that.

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Category: JavaScript

Var, let and const in JavaScript

sunsetDo not declare variables in JavaScript with var. Use let or const instead. A natural question is what is the difference? All of this can be explained with a few examples.

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Category: JavaScript

npm ERR! code ERR_STREAM_WRITE_AFTER_END

NPM errorToday I have encountered a problem with NPM. When I tried to install a new package, it returned me npm ERR! code ERR_STREAM_WRITE_AFTER_END. I would like to share the details and the solution for those of you who will see the same error.

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Category: Java

Repeating actions with Spring Retry

retry

Some operations in software systems are not reliable. Database operations may deadlock, sending an email may fail, a network request may not reach the destination etc. There is a chance that another attempt of the same action will succeed. It is recommended to wrap such operations with a retrying mechanism. Spring Retry is a library that makes it easy.

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Category: Kotlin

What is Kotlin?

kotlinPresentationIf you have not heard about Kotlin yet, you should watch this. Artur spoke on Devoxx Poland 2017 about this new language based on JVM and tried to convince the audience that it is better than Java. These 30 minutes will allow you to see were is the difference between Java and Kotlin. For live coding enthusiasts - there is live coding.

 

  1. Logging configuration for Spring Boot (logback)
  2. Code minification and cache-busting
  3. Code minification with Gulp
  4. Plugin for EU cookies law
  5. Cannot find ServletContextInitializer
  6. Google and Facebook login in one application
  7. Module xyz reads package org.apache.commons.logging from both commons.logging and jcl.over.slf4j
  8. Getting started with Single Sign On with Facebook in Spring Boot app
  9. Grid system in Bootstrap 4
  10. Scheduling tasks in Spring
  11. Java Influencers about Project Jigsaw
  12. Testing for exceptions in Spock
  13. Using @ControllerAdvice to handle @Controller exceptions globally
  14. Angular 2 video tutorial for beginners
  15. Use the built-in formatting to construct this argument.
  16. Testing arguments of method execution with Spock Framework
  17. Adding rows to HTML table with jQuery
  18. Two equality operands (== and ===) in JavaScript
  19. Google Sign-In with Spring Security (no Spring Boot)
  20. Full reinstall of Node.js
  21. After NGPOLAND 2016
  22. Google profile details in Spring Boot application
  23. NGPOLAND 2016 is coming
  24. npm ERR! peerinvalid
  25. Getting started with Google Sign-In in Spring Boot app
  26. How it feels to learn JavaScript in 2016
  27. Basics of mutable and immutable classes
  28. Story of LazyInitializationException
  29. jQuery UI themes - buttons and dialogs
  30. Button and confirmation dialog in jQuery UI
  31. Google-like calendar in web application
  32. What the heck is the event loop anyway?
  33. Lombok - solution for getter and setter boilerplate code
  34. Enabling H2 db in Spring Boot app
  35. Spring Boot application deployment on standalone Tomcat
  36. Code minification - the archaism?
  37. Testing user interface with Sahi
  38. Setting up SASS with gulp
  39. How to mock static methods
  40. Custom filters in AngularJS
  41. JDBC connection strings and drivers
  42. Formatting data - filters in AngularJS
  43. Getting C/C++ performance out of Java
  44. ng-if vs ng-show
  45. Showing and hiding elements with ng-show and ng-hide
  46. Migration to Angular 2
  47. Creating custom AngularJS module
  48. Configuring AngularJS project to use UI Bootstrap
  49. How to add an external module to an AngularJS project
  50. Setting up AngularJS with bower and gulp

AngularJS

Kotlin