Quick References

Rendering multiple checkboxes with WTForms and Bootstrap

When you use WTForms and Bootstrap, you can quickly build up the dashboard for your own content management system with Python.

This is because WTForms provide several out-of-the-box implementations for rendering some basic fields that for capturing form data.

However, rendering multiple checkboxes can be open to different UI implementations based on users’ preferences. Therefore, different fields and widgets are available in WTForms to cater for different ways of displaying a form input to the user.

Given these points, let’s see how we can render multiple checkboxes with WTForms and Bootstrap.

How to make your own USB powered LED lights

Since upstream USB connectors can supply 5V of DC power to downstream devices, we can use USB connectors to power LED lights.

While there are many USB powered lighting options available in the market, making your own gives you more flexibility in the form factor.

With this in mind, let’s look at how we can make our own USB powered LED lights.

How I repaired one of my corrupted git repository on gogs git server

While trying to commit my codes to my Raspberry Pi gogs git server, I got a rejection:

 ! [remote rejected] master -> master (missing necessary objects)
error: failed to push some refs to 'http://192.168.1.115:3000/org/a-project.git'

In addition to that, I got a HTTP 500 when I try to view the repository details page via the dashboard.

Since I can view my other repositories on my gogs git server, something must be wrong with a-project.git.

Given that, here are the steps that I took to rectify the issue.

My Logitech MX Master 2S cursor was not moving on my computer screen and how I made it work again

While trying to capture screenshots on my Mac, I noticed that my mouse cursor was jittering and not doing my bidding.

After a while, my Logitech MX Master 2S mouse cursor stopped moving altogether.

Since I considered Logitech MX Master 2S wireless mouse a good buy, I decided to repair it.

This was how I went about solving the problem.

Installing Netflix app on a Chinese made projector device running Android

If you have access to Chinese e-commerce websites like Taobao or AliExpress, then you may be able to get devices at more affordable prices.

In order to watch Netflix films at the comfort of your bed, you may get a projector device.

Even though you got one running Android, you may not have the Netflix app or even the Google Play store.

Since we are all paying for Netflix subscription, Netflix provided an app just for such situations.

Given that, head over to this Netflix help article and follow the instructions.

How to minimise payment fraud on your e-commerce store

If you are running an e-commerce store, then you can accept payments from your customers through a payment gateway.

When you accept payments on your e-commerce store, you will also want to reduce or even prevent payment fraud.

Indeed, payment fraud can have huge financial impact on your business.

Therefore, it is important for you to look at how you can minimise payment fraud on your e-commerce store.

Given that, let us explore how we can reduce payment fraud on our e-commerce stores.

An easy way to install Raspberry Pi OS – using Raspberry Pi Imager

Once got an microSD card for your Raspberry Pi in your mailbox, you can install an operating system to run it.

Typically, we download a Raspberry Pi image and use one of the imaging software to write it to our microSD card.

When the Raspberry Pi Imager came into the picture, the download step is consolidated into a single workflow.

Given that, this is how you can use the Raspberry Pi Imager to install Raspberry Pi OS.

How to use a Raspberry Pi Zero W?

After figuring out why you will want to get a Raspberry Pi Zero W, you may wonder how you can use it.

Given that, this post shows how you can use a Raspberry Pi Zero W in your next IoT project.

How to show the temperature and humidity of your room on a Heltec WiFi Kit 32 attached to a DHT11 / DHT22 sensor

When you have a DHT11 / DHT22 sensor, you can measure the temperature and humidity of your room. If you attach the sensor to a Heltec WiFi Kit 32 development board, you will be able to put up the readings on a 0.96 Inch OLED screen.

Given these points, let’s look at how we can show the temperature and humidity readings of your room on a Heltec WiFi Kit 32 development board attached to a DHTXX sensor.