Play & Learn Quantum Computing using Qiskit Blocks

David Peter — Tue, 26 Jul 2022 06:41:23 +0000

Quantum Computing is a rapidly emerging technology that relies on the laws of quantum mechanics to solve problems that are not possible today in classical computers. It’s time to learn quantum computing and the best way to learn is through games. Well, I’m talking about the Qiskit Blocks, a game...

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Robot vacuum not picking up dust? Clean your HEPA filter!

Mahalakshmi Kabilan — Wed, 16 Feb 2022 11:48:02 +0000

Imagine that you just had a party and there is a lot of mess and crumbs around. And that day your robot vacuum cleaner just does not work. You clean the main brush, the side brush, and also the dust compartment, but still, it does work 100%. What did you...

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How to Blur Image in Microsoft PowerPoint?

David Peter — Thu, 20 Jan 2022 11:58:52 +0000

Hope you had read my article on how to blur images in MS Paint and today I’ll explain how to blur an image in Microsoft Powerpoint. In Microsoft PowerPoint, you can blur an image completely, and to blur a particular part of an image, you will need to play with...

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SimpleMathJax extension for MediaWiki and Mathoid issues

David Peter — Wed, 12 Jan 2022 12:06:29 +0000

I had set up a Math extension in Mediawiki version 1.31.1 for one of my client’s websites. It was working fine for a year and all of a sudden it broke with an error: Failed to parse (MathML with SVG or PNG fallback (recommended for modern browsers and accessibility tools):...

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How to set HDMI Black Level in Samsung Monitor

David Peter — Tue, 21 Dec 2021 11:49:37 +0000

Are you like me who likes to use multiple monitors for desktop PC? And does it drive you crazy when some colors look different on those monitors? Well, it did happen to me when I installed a new Samsung monitor (Model: LF24T352FHWXXL). Yes, some colors were visible properly on my...

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error: src refspec main does not match any [GIT]

Ramya Santhosh — Tue, 21 Dec 2021 07:02:22 +0000

Created a private repository on GitHub and when tried to push the files from my server using the below commands, I get error: src refspec main does not match any.The complete command and error are as below: # git add . # git commit -m "Initial Commit" # git push...

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Share Google One storage with your family

David Peter — Wed, 10 Nov 2021 04:58:20 +0000

I recently purchased a 100GB Google One Storage plan. In order to share the storage with my family, I created a family group and added my wife’s Google account to it assuming that she would be sharing the Google One storage that I had subscribed to. However my wife came...

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Registered callback does not match with the provided URL – Fix WSO2 Error

David Peter — Wed, 13 Oct 2021 14:49:11 +0000

In continuation to my article on WSO2 installation and configuration, here’s another issue that popped up after changing the hostname in the repository/conf/deployment.toml file. The error “Registered callback does not match with the provided URL” occurs while accessing the login page of the publisher and developer portal. If you are...

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Installing WSO2 API Manager on CentOS

David Peter — Wed, 15 Sep 2021 09:06:06 +0000

WSO2 API Manager is an Open Source-based API Gateway that allows the development teams to deploy and monitor APIs and as well provides a facility for the consumers to subscribe to APIs and consume to meet their needs. Why would someone need an API Manager? Well, that’s a good question....

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How to convert a webm video file seekable?

Mahalakshmi Kabilan — Tue, 31 Aug 2021 13:48:44 +0000

Recently I used a chrome extension to record screen and got the output as a webm file. Although I was happy that I got an extension to record my long meetings, the output webm file was not seekable. Meaning I cannot play the video at a specific point of the...

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