Tag Archives: DSP2017

Quick Tip: Cool features of Chromium DevTools

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Chromium Developer Tools is a powerful suite with many features you probably didn’t know about. Here are three of them I find very helpful, but not so popular.

DevTools console output with style

When you output to the console, you can also style text. This is done by putting %c sequence before the styled block. There can be more than one such block. Then you pass CSS styles in the following arguments:

console.log("%cHello developers!\n%cThis is a sample message.", "font: bold 14px/1.35 Arial;", "font: normal 12px/1.35 Arial;");

Styling text in Dev Tools

Copy JavaScript content to clipboard

Dev Tools allow you to copy to clipboard the value of a variable. You just have to invoke the copy function:

var test = "Lorem ipsum dolor sit amet enim";
copy(test);

And now you can paste string Lorem ipsum dolor sit amet enim anywhere.

Make the whole website editable

This is not so much a tip regarding console, you can paste the code there. You can allow editing any text on the web page simply setting

document.body.contentEditable = true

Now you will be able to put the cursor inside every text block and modify it as you want.

GoogleTest installation and introduction

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GoogleTest is one of the C++ testing frameworks. It is built following xUnit architecture, so you should be able to start quickly if you have had any previous experience with other testing suites. If you don’t, it’s high time to start testing.

GoogleTest Installation

We will use latest GitHub release (1.8.0). You need to download the ZIP and build the code. Then we make a static library out of it.

wget https://github.com/google/googletest/archive/release-1.8.0.zip --no-check-certificate
unzip release-1.8.0 && rm release-1.8.0
mkdir -p googletest-release-1.8.0/googletest/lib/
cd googletest-release-1.8.0/googletest/lib/
g++ -isystem ../include -I../ -pthread -c "../src/gtest-all.cc"
ar -rv libgtest.a gtest-all.o
cd -

Now we are ready to build code. Continue reading →

Konstruisto: Weeks #8 & #9 – Added tests, first Blender model

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Since the last post, I took some time to better prepare environment. That means there are no new features. I pushed only two commits, total 160. I did set up Google Test and modified makefile to include missing DLLs for Windows releases.

My first low poly model

I also started playing with Blender to make some models. It takes a lot of time and there are lots of new things to learn, but I managed to finish a simple hospital model. I don’t know yet what should be published in the repository for blender models and I didn’t decide on file format yet, so it’s not included in the repo.

I don’t publish builds this time.

Changelog

  • Set up Google Test framework
  • Fixed missing DLLs for Windows releases
  • First Blender model

Code repository

Go and see https://github.com/kantoniak/konstruisto. You can build from there or download binary release below. There are Star and Watch buttons in the sidebar (right).

WordPress plugins: Creating widgets

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I noticed my series on WordPress plugins misses widgets. It’s a good fortune because I needed to show some social icons in the sidebar.

This is how the widget looks like.

You will find the source code in my repo: https://github.com/kantoniak/kantoniak-about-me, along with the link to vector icons made by Allan McAvoy.

Update: Plugin is already available here: https://wordpress.org/plugins/kantoniak-about-me/. To install it from the dashboard, go to Plugins/Add New, change search criteria to Author and look for kantoniak. Continue reading →

How to submit to WordPress Plugin Directory

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It’s the time to start uploading to extension gallery. We have created two plugins so far:

I will describe the process on the example of the second one. You can find it here: https://wordpress.org/plugins/demo-shortcodes/. To install it from the dashboard, go to Plugins/Add New, change search criteria to Author and look for kantoniak.

Plugin preview

Continue reading →

Quick Tip: Mouse picking

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Mouse picking can be found in nearly every 3D game now. In many cases, it’s crucial to let the user interact with the world by directly pointing at some objects. One of the possible approaches is to convert pointer position to some vector/ray inside the world and do hit-testing. To achieve this I use GLM library which handles mathematical routines for OpenGL.

Continue reading →

WordPress plugins: Using shortcodes and popups

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I made a plugin to render HTML before page content (see “How do I make a WordPress plugin?“), but I needed another one. This extension adds “see demo” blocks inside content. I just give links to preview, set image and eye-pleasing blocks appear in place of shortcodes.

The extension is available from a GitHub repository; you can go there to see every line of code. I will try to send it to plugin repository shortly.

Update: Plugin is already available here: https://wordpress.org/plugins/demo-shortcodes/. To install it from the dashboard, go to Plugins/Add New, change search criteria to Author and look for kantoniak.

Demo plugin preview

OK, let’s go! Continue reading →