envoy fix for serving big files from the backend / timeouts / aborted downloads
Customers were complaining about not being able to download big files from our websites (e.g. PiDoctor on PiCockpit.com). Initially I could not replicate the issue locally, the files seemed to be downloading fine. After further investigation I determined that the downloads were cutting out after a certain time – depending on your download speed, thus,…
WeiterlesenStupid business mistakes #5 :: Having call centers ask your customers about their satisfaction
I was just called by a call center agent, inquiring about my satisfaction with a service inquiry I had with a lost DHL package. They were polite, but effectively disinterested in what I had to say (indeed, I had an issue I wanted to communicate, see below). The call center agent tried to follow a…
WeiterlesenHistorische Texte
Als Teil der Überarbeitung der pi3g.com Webseite, in Vorbereitung auf den Launch der Google Coral.AI und AIY Produktreihe, habe ich unsere Webseite auf Englisch umgestellt. Hier als Referenz einige der Texte die wir früher hatten: Wir sind als Raspberry Pi Foundation approved reseller, sowie einer von zwei deutschen Pi Zero Distributoren Ihr starker Partner rund…
Weiterlesen20888
20.888 is the total number of Raspberry Pi we (pi3g e.K.) sold last year (2019). Thank you to all our customers, resellers and partners.
WeiterlesenStupid business mistakes #4 :: Spamming your user with messages about your awesomeness
People need to know how awesome they are for making the right choice and being your customer. You, in turn, should be awesome, and take care of the trust they place in you responsibly. Which brings us to today’s stupid business mistake: spamming your users with messages they do not want. This is one of…
WeiterlesenStupid business mistakes #3 :: Assuming things will work forever (The value of monitoring)
Things work, and there is no mistake about that! But, due to the universe constantly increasing in entropy, they do not work forever. They need to be supplied with your attention, knowledge and energy, so that they can continue to work. You know how it is, our bodies are pretty amazing – but at some…
WeiterlesenDealing with NIL in JSON::Any in Crystal Lang
One of the challenges when developing with Crystal is that it is not as forgiving about data types as, say, Python or Ruby. nil will keep you occupied. The following error message: cast from Nil to String failed, at /usr/share/crystal/src/json/any.cr:220:5:220 can be solved by: # cast to string, THEN check if it is nil if…
WeiterlesenChromium exit code -5
While running Chromium with chromium-browser –display=:0 https://www.picockpit.com will allow you to start Chromium from an SSH connection (and it will output to the main display in the X Server), this will fail when you try to run it with subprocess.Popen in Python: “command”: [“chromium-browser”, “–display=:0”, “https://picockpit.com”] (this is part of the JSON format I have…
Weiterlesensecure command execution with Python: subprocess.Popen
Security is important for me while developing the picockpit-client. The following applies to Linux systems (but probably is applicable to all Unix like systems, including macOS) Python allows to run external commands using the subprocess module. import subprocess In the upcoming version of PiCockpit, users will be able to create their own buttons (simply editing…
WeiterlesenStupid business mistakes #2: trying to cheat people (a new kind of spammer)
A bait and switch site, which was supposed to show me some information about Python code. “Click allow if you are not a bot”. Abusing the Captcha to display notifications (probably spam advertising?) is definitely a clever idea. (From the technical and machination point of view) Why does the person who is behind this not…
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