Spring boot : checks at startup

By LiBePosted on Wednesday 27 February 2019Wednesday 27 February 2019Cat G33k, ProgrammesLeave a comment

For some reasons, your can mess up with the connectivity : lab hostnames in prod, unavailable dependencies or wrong network routing rules. You can use some health indicators in spring boot to check the health of your spring boot application. The actuator framework exposes an endpoint which replies with UP or DOWN Hitting the endpoint… Read More »

Your next acceptance tests framework… bash ?

By LiBePosted on Thursday 31 January 2019Wednesday 27 February 2019Cat G33k, ProgrammesLeave a comment

I have been trying several frameworks to test my pieces of software. The choice was difficult to make between cucumber-js, cucumber-java or karate.All of them need a complex runtime. Either by installing a node_modules packages directory with a lot of dependencies, or by installing them in a .m2/repository directory. I was wondering myself : Is… Read More »

Java tip : “add suffix if not present”

By LiBePosted on Tuesday 8 January 2019Tuesday 8 January 2019Cat G33k, ProgrammesLeave a comment

Found that when I was trying to force the suffix of a xpath query to be /text() query.replaceFirst("(.*)(?<!/text\$\$)$", "$1/text()") appends /text() if not the case already. Read More »

Gatsby : How about a … github hosted site ?

By LiBePosted on Monday 31 December 2018Tuesday 1 January 2019Cat G33k, ProgrammesLeave a comment

If you are not new to publishing content on the web, you certainly know that you were presented several options in the past :- install wordpress then customize the themes as much as possible, install a database and use the editor- setup a blogpost, use a built in theme, then write posts- install a content… Read More »

My Chocolate Cake recipe

By LiBePosted on Friday 30 November 2018Cat Cuisine, ProgrammesLeave a comment

Here is a chocolate cake recipe. Please note that this is not only a recipe, but it is code too... You can compile that in Kotlin successfully and you can imagine a cookbook site using this kind of implementation. fun main(args: Array<String>) { val chocolateCake = `recipe consisting of` { - (7 `ounces of` "black… Read More »

kotlin live

By LiBePosted on Friday 30 November 2018Cat G33k, ProgrammesLeave a comment

If you are among these ones : You want to practice some code but you don't want to open an IDE You are presenting some slides and you don't want to switch between the deck and the editor You are just beginning to write some code and you don't want to install the big SDK… Read More »

Write an unit test without mocking the rest template

By LiBePosted on Wednesday 31 October 2018Wednesday 31 October 2018Cat G33k, ProgrammesLeave a comment

How would you call a JUnit test that calls an external service ? -> An integration test, why not... How about a JUnit test that replaces the implementation of the repository layer by a mock ? -> An unit test, fine. Would you appreciate to write an unit test that simulates the integration without the… Read More »

JAXB unmarshalling ? Sax reader ? What about… nothing.

By LiBePosted on Friday 31 August 2018Cat G33k, ProgrammesLeave a comment

Here is a very tiny and naive xml parser made in kotlin. One function, one input (string), one output (map). Simple, and lightweight (no library). /]+)[^>]*>") val OPENING_CLOSING_TAG = Regex("^< ([^ >/]+)[^>]*/>") val CLOSING_TAG = Regex("^]+)>") val ATTRS = Regex("([a-zA-Z][a-zA-Z-0-9]*)=\"([^\"]*)\"") val root = mutableMapOf() val deque = ArrayDeque(listOf(root)) val attrSetFunc = {text: String, node: MutableMap… Read More »

Honey, I shrunk the React app

By LiBePosted on Tuesday 31 July 2018Tuesday 31 July 2018Cat G33k, ProgrammesLeave a comment

Size does matter sometimes. Here is the most obvious reason why : a site that takes too long to load ends up with an error on a device. Or worse, your visitor may become impatient and go to your competitor. Problem is when you are building your application and you see a webpack log like… Read More »

Kotlin js : hack to get the values of an unknown enum

By LiBePosted on Friday 29 June 2018Friday 29 June 2018Cat G33k, ProgrammesLeave a comment

Kotlin js is really experimental and does not allow a lot of things when it comes to reflect apis : actually you can only read the class name or cast the value into a dynamic (javascript-like) object. Ever wondered how to do call myEnum.values() in js without knowing the type ? Not permitted so far,… Read More »