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  • Larry Morales

    A fridge contains drinks

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  • From my experience as a software developer, an issue that I have dealt when building an application are the dependencies for external services. A test with external dependencies where you don’t have much control can fail if there is a change in the service and the outcome is not the expected, with this in mind, we need to ensure the non-dependence of external services when running our tests. The most effective way to do this is mocking those dependencies.

    In this post, I will focus on the functional tests of an application. I will also talk about how to mock an external service to not rely on it when running our functional tests.

    To explain how to mock an external service, I’ll walk you step by step through an example.

    Let’s say that we have an endpoint, that is using a third-party package called holidays that is making HTTP requests to an external service to get such holidays.

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  • First, for Java developers only

    As Android developers, there are many ways to write an app and get tired of seeing how the lack of features of the Java (Java6 by default) platform embedded in the Android SDK slows the coding process. Notice that Java6 last public update dates from 2013 and that is the version you are expected to use on Android development with Java. You can use Java8 language features but most of the powerful features can only be used in devices that are running Android 7.0 Nougat (API 24).

    By May 7, 2019, Android 10 not released yet, there was a total close to 41.9% devices running Android OS prior Nougat out of 2.5 billion active devices.

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  • In certain situations the site or app you’re building uses fonts that are not hosted in a CDN. The font is not in Google fonts, and is not in Adobe Fonts or other provider.

    You may be given at that point a set of OTF, TTF and WOFF files. But what do do then? How do you integrate those font files in your Buffalo app?. After all, you want your frontend to look as closer to what your designer has put together, And we all know that fonts matter.

    What to do?

    Assuming you are in your Buffalo app folder, take a look at the assets sub-folder.

    - assets
      > css
      > images
      > js
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  • As developers one of our duties is to ensure consistency in how content is displayed in a variety of browsers. If your web development project involves testing the visuals on IE11 or Microsoft Edge and don’t know how because you are using MacOS, then this post is for you! Note that you do not need a serial number or purchase anything in order to install Windows 10.

    I’ll expose a fairly simple and popular way to operate Bill Gates' giant having Steve Jobs as host using Oracle’s VirtualBox. The steps are as follows:

    1. Install Oracle’s VirtualBox.
    2. Install Microsoft 10 using a .iso file in VirtualBox.
    3. Testing your project with IE11 and Microsoft Edge.

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  • Disclaimer. Those who are not familiarized with N+1 problem, you can check “What is the N+1 selects problem in ORM(Object-Relational Mapping) with details explaining the concept.

    Since associations were introduced in Pop, the N+1 problem became part of it: many queries hit the database in order to load whole model’s associations. Good news is N+1 problem is not a disease without remedy. In this post I will give you some steps I took to solve it by incorporating emergent design.

    Step 1: Start Coding By Example

    Coding by example helps you to define what’s your input and what’s your output. Code By Example means you define a scenario where  your solution is tested and what is the expected result. The method I used to apply this technique was Test Driven Development (TDD).

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