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Change the File Extension in Typescript (or Javascript)

April 18, 2017Categories: Software, Tutorial
TL;DR: You need to get the root name (without the extension) and append the new extension. Then, it only depends on how tolerant you are. The other day I figured I needed a function to change the file extension (from a .jpg to a .nfo ). Since I haven't found a ready made function to do this, I…

Consistent Testing electron-settings

April 6, 2017Categories: Software, Tutorial
TL;DR : Delete the settings file before starting the test. Today I implemented a simple wrapper over the electron-settings functionality to gibe me access to a set of properties via get/set methods. My scenario is simple: I have a property named path.backup and I want to be able to get , set…

We had to hire an architect

March 16, 2017Category: House
Well, our constructor told us we need an architect. So I did some digging... Payment Scheme I found here a way to schedule payments to the architect: Phase Activity Percentage Effort Conception Etudes préliminaires 5 % 33 h Avant projet sommaire (APS) 10 % 66 h Avant projet détaillé (APD) 10 % 6…

Delete Dependent Entries of a Table in Oracle PL/SQL

March 13, 2017Categories: Software, Tutorial
The other day I had a task to clean up a database which was populated with a list of records. Unfortunately, my main table is linked to a host of other tables via foreign key dependencies and, to make things worse, no CASCADE constraints are specified. The process I want to is as follows: Scan…

Poor Man's Mocks in TypeScript

March 7, 2017Categories: Software, Tutorial
Today I went against my better judgement of usign a mock framework and decided to create my own mocks to allow coverage testing for an IPC-calling code. My reference code I wanted to test is: The code would use an angular service named PathService which, for the purpose of this test only has a…

Use "toThrowError" and "toThrow" in TypeScript with Objects

March 2, 2017Category: Software
TL;DR: wrap your method call in the expect() statement. Instead of expect(obj.method()).toThrow() , write expect( () => { obj.method() }).toThrow() . While in the process of improving the code coverage, I needed to write a test for a method throwing an exception. My initial code would have been…

Fix Angular 2 Tests with Karma

March 1, 2017Category: Software
Below are some fixes I had to apply in order to make Angular 2 tests work with karma . Binding Error : Can't bind to 'ngModel' since it isn't a known property of 'input' Solution : Import FormsModule in your test: Unknown component Error : 'custom-component' is not a known element Solution…

Initialize a Typescript Interface with JSON

February 20, 2017Category: Software
TL;DR: You can initialise a typescript interface using JSON objects. On my quest to load and save objects as JSON, I found that you can convert a JSON object to an interface via something called type assertion . Basically, if you have an interface: you can load a JSON object via JSON.parse(json…

Check Duplicated Paths with LoDash (and Angular 2)

February 20, 2017
One of the things I'm looking at is to be able to create a list of paths I'd want to scan. The first iteration had blind addition to the list. However, this would make the user's responsibility to manage the duplicated paths, which is not really nice. Therefore, I think it's a good thing to add some…
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