Flex 2.1

Posted on November 16, 2016 in News • 1 min read

Flex theme 2.1 comes with a feature that I was delaying for so long. Flex 2.1 adds support for Google AdSense.

If you choose wisely, ads are a way to win some money, but if not, you may loose your users due to excessive use of ads.

Flex …


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Flex 2.0

Posted on September 13, 2016 in News • 1 min read

Flex theme 2.0 comes with new features. In fact there are two new features.

The biggest change is localization support. Yes, Flex now can be translated into your language. You can read about here.

The biggest challege was to create a way to translate without breaking old versions. If …


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Posting to Pushbullet with NodeMCU

Posted on August 24, 2016 in Embedded Systems • 1 min read

With NodeMCU HTTP Module we can GET/POST/PUT/DELETE over HTTP(S), as well as customized requests. If you ever used any other programming language you know how easy is to make an HTTP request.

Today, we're going to call Pushbullet API. So, what's Pushbullet?

Pushbullet bridges the gap …


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Make email permission required when signing in with Facebook

Posted on August 21, 2016 in Dev • 3 min read

If your software uses Facebook login you know that users can grant or decline permissions. The public_profile is default and you can get basic info about the user, such as user's name for example.

You can also request more permissions in the scope. One very useful is email permission, which …


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Qt Designer error: cannot find -lGL

Posted on July 31, 2016 in Dev • 1 min read

After upgrading to openSUSE Tumbleweed I got an error while trying to compile a Qt project as shown below.

23:42:00: Running steps for project qt-quick...
23:42:00: Configuration unchanged, skipping qmake step.
23:42:00: Starting: "/usr/bin/make" 
/home/alexandre/Qt/5.7/gcc_64/bin/rcc …

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How to use OLED display with Banana Pi

Posted on July 25, 2016 in Embedded Systems • 3 min read

Today we're going to connect an OLED display on Banana Pi/Banana Pro throught I²C. These displays are very small, but very readable due to the high contrast.

OLED Display

In this example I will use a 128x64 OLED display based on SSD1306 controller. You can find models that use I²C or …


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Flex 1.2.0

Posted on June 10, 2016 in News • 1 min read

Flex theme received some new features. Version 1.2.0 include new features and some updates.

For developers there are new color styles for your code. For general purpose there is RUM support, related posts and browser color configuration.


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Flex 1.1.1

Posted on February 27, 2016 in News • 1 min read

Today, Flex theme received a small update.

Some bugs are now fixed. I think the most important fixes are:

Hope you enjoy this theme.


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Code once share everywhere

Posted on February 25, 2016 in News • 1 min read

Gistfy, the easiest way to create embeddable code snippets from your GitHub and Bitbucket, just got a lot of updates in the last version.

Basically, it was almost rewritten. Some dependencies from the old version are dead. Swig is officialy dead, and AngularJS, well, it's not dead, but it's migrating …


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New version of Flex: The responsive Pelican theme

Posted on October 07, 2015 in News • 1 min read

I've made the Flex theme a time ago. For my surprise, many people are using it. I feel thankful for this.

So, after some new blogs with this theme, I got issues and PRs on GitHub from these new users. This weekend I had some free time and I release …


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