Sep 6, 2019 - Delay switching from Wi-Fi to LTE on T-Mobile

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This is an Android-specific post but perhaps could apply to iPhone/iOS as well. When I got my OnePlus 6T (T-Mobile locked, though I don't think this is related), I don't remember experiencing any network connectivity issues or weaker-than-expected LTE signal. However, at some point, switching from Wi-Fi to cellular data became a problem. It would consistently take more than 3 minutes, no exceptions, to be able to surf the web over LTE (or any other cellular technology) after turning off Wi-Fi.


The triggering cause of this issue was having configured Android to use CloudFlare's 1.1.1.1 public DNS resolver. If you know how to disable the custom DNS configuration in your phone, great - that's all you need to do. Otherwise, continue reading.

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Aug 30, 2019 - Mi Band 4 random vibrations

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Recently I upgraded from the Xiaomi Mi Band 3 to the new Xiaomi Mi Smart Band 4 (Mi Band 4) and, unfortunately, on the very first night of sleep - I was woken up in the middle of a pleasant sleep.. by the band. I present the solution (which only applies to Android and for my specific environment/cause) below.


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Jan 26, 2019 - Introducing 3Dir (Dynamic Download Directories)

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Today I am introducing the 3Dir (Dynamic Download Directories) Google Chrome extension by releasing a pre-alpha version at the Chrome Web Store.


Dynamic Download Directories

The goal of 3Dir is very straightforward: to save your downloads in different locations based on different attributes and conditions... so you don't have to waste time doing it by hand.

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Dec 31, 2018 - Home DC 01: Planning my first personal Dev Cloud(s)

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In this post I cover the plan, ideas and hardware for my own private DataCenter / Dev Cloud - project Home DC.

After being mostly absent from the OpenStack community and OpenStack contributions for the past year and a half, and from Open Source in general for almost a year (after implementing IETF SFC "friendly" extensions to networking-sfc in OpenStack Neutron and initial VNF Forwarding Graph capabilities in OSM, the Open Source MANO), I will finally be returning to OpenStack Neutron development in 2019.

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Dec 15, 2017 - Android-x86 on SD card with NTFS, Secure Boot and UEFI

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Android-x86 on SD card with NTFS, Secure Boot and UEFI:

I will show you how to install the 64-bit version of Android-x86 7.1rc2 (and likely other versions such as CM14.1 rc1, or other operating systems based on Android-x86 such as RemixOS), on a SD/microSD card using NTFS as the filesystem (thus providing a fast Android experience) with Secure Boot and UEFI boot.

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Jan 3, 2016 - Windows 10 Search - These results may be incomplete

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Ever since my laptop was updated from Windows 8.1 to Windows 10 through Windows Update, the search feature has been behaving very poorly due to some past damage buried deep in Windows, its registry or somewhere within/around the Indexing service. This post is not about discussing what might be causing all these issues, but to provide a workaround which might work for some instances of two specific symptoms: missing searched items in the start menu, including items from the Control Panel, and a constant warning claiming that "These results may be incomplete..." as can be seen in the partial screenshot below.


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