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our dishwasher stopped working, displayed E01 code and whenever closed was running drain pump all the time. i’ve called their support and learned it’s a known anti-flood feature and is caused by water that leaked gradually out of dishwasher and stayed in its base. solution? makes you wonder why does the water leak out of ... Read More

we’re using a 3rd party library that shall remain nameless. vendor provides this library to us in form of few .so files, few headers and sample code. we have a small custom c++ wrapper for it. whenever library is initialized – it makes a call to licensing server and does some challenge/response verification. on one ... Read More

list of few online apps that my daughter likes: longer lists of tools:

i’m a happy user of Amazfit Band 5. it’s dirt cheap, paired with gadgetbridge – works fine without sharing any data with cloud-hosted big brother, all in all – it helps to keep me moving around each day. i had few occasions when i needed to charge it [ every ~2 weeks ] and did ... Read More

due to $reasons we have an nginx-proxy that is a reverse proxy forwarding to Fastly CDN which, in turn, forwards back to our infrastructure. starting from the 2024-02-27 this stopped working, for some HTTP queries. most notably those using OPTION verb. response that nginx was getting from Fastly had HTTP/421 status code and payload: colleague ... Read More

this might be useful, especially for environments where automated tests of MS-office-dependent applications are done: https://massgrave.dev/ohook.html + https://github.com/asdcorp/ohook

rsync remains my main tool for transferring backups or just moving data between servers. but it has some pain points – e.g. rsync’s checksum calculation or ssh over which data is piped can easily saturate single CPU core before i run out of storage I/O or network bandwidth. how to parallelize it – based on ... Read More

SQL basics: indexes: https://use-the-index-luke.com/ ‘modern’ SQL: fiddles – web-based sandboxes:

i’ve tried to install wsl on Win 11 PRO PC and got this: solution: try again based on this comment.

exfat does not carry information about user/group ownership of files/directories, has less precise timestamps. to make rsync stop complaining about it i’m using: