Hopefully by now the ToC has gotten bigger at [WayBack] Multi-threading in C#: Back to Basics (Part 1 of N) – CodeProject.
At the time of writing it was this:
–jeroen
Multi-threading in C#: Back to Basics (Part 1 of N) – CodeProject
Posted by jpluimers on 2018/05/10
Posted in .NET, Development, Software Development | Leave a Comment »
Procedural Programming: It’s Back? It Never Went Away – Kevlin Henney [ACCU 2018] – YouTube
Posted by jpluimers on 2018/05/09
If you haven’t been in the software development arena for the last 50 years, then watch this and learn all “modern” stuff has been around for ages:
- agile
- structured programming
- software engeneering
- readability
- encapsulation
- unit testing
- microservices
- multi-threading paradigms
- coordination versus computation
- and more
Most if it comes from the era of Algol, make, AWK and the famous Structured Programming book (which is not about procedures, but about control flow).
So watch Procedural Programming: It’s Back? It Never Went Away – Kevlin Henney [ACCU 2018] – YouTube
Slide deck: Sideshare: Procedural Programming: It’s Back? It Never Went Away – Kevlin Henney [ACCU 2018]
Then read [WayBack] ISBN 9780122005503 – Structured Programming (A.P.I.C. studies in data processing, no. 8)
Via: [WayBack] Kevlin Henney – Google+
–jeroen
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When a site creates way too many cookies, you get a “Bad Request – Request Too Long”
Posted by jpluimers on 2018/05/09
I a while ago, I had this error:
Bad Request – Request Too Long
HTTP Error 400. The size of the request headers is too long.
It happened because over time, Microsoft had managed to store 100+ cookies data locally, making the request some 8k in size. Which they could not handle.
Bad Request – Request Too Long HTTP Error 400. The size of the request headers is too long.
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Some links on how Windows detects if a program “is not responding”
Posted by jpluimers on 2018/05/09
For my research list:
- [WayBack] Why doesn’t the window manager just take over behavior that used to be within the application’s purview? – The Old New Thing
- [WayBack] What is happening in an operating system when a process is “Not responding”? : askscience
- [WayBack] How does Windows know if a program is not responding? – Super User
- [WayBack] Analyze Wait Chain: Identify hung or frozen process in Windows 10/8/7
- [WayBack] How to detect if an application has stopped responding by using Visual C#
- [WayBack] WhatIsHang Tells You Why A Windows Program Is Not Responding – gHacks Tech News
- [WayBack] windows – How to determine if app is really not responding as shown in Task Manager – Stack Overflow
- [Archive.is] How do programs in Windows recover from Not Responding? – Quora
–jeroen
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I’m looking for 12V G4 LED bulbs with a 30mm maximum length (including pins),…
Posted by jpluimers on 2018/05/08
I’m still looking for 12V G4 LED bulbs with a 30mm maximum length (including pins), preferably:
- dimmable
- more than 1W power
- wide angle
- no flickering
I found near angle ones at https://www.calex.nl/product/LEDG4-1-5W-3000/ (see picture below).
The G+ link has a suggestion, but I’m looking for more options so I can compare.
Via: [WayBack] I’m looking for 12V G4 LED bulbs with a 30mm maximum length (including pins),… – Jeroen Wiert Pluimers – Google+
PS: That G+ thread revealed
http://www.supersunled.com/product/1-watt-g4-led-bulb/. This bulb is dimmable, height is 30mm, 360 degree beam angle, 110-130lm.
[WayBack] Omni-directional G4 LED Bulb – 12V 1W G4 Light Bulb
–jeroen
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Posted in LifeHacker, Power User | 4 Comments »
How to create a folder that inherits its parent’s ACL, and then overrides part of it – The Old New Thing
Posted by jpluimers on 2018/05/08
create the directory without an explicit security descriptor and let the experts create it with the default security descriptor, which takes into account all the inheritance rules. And then modify the security descriptor post-creation to include the new ACE you want. Fortunately, MSDN has sample code for how to add an ACE to an existing security descriptor.
via: [WayBack] How to create a folder that inherits its parent’s ACL, and then overrides part of it – The Old New Thing
–jeroen
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Containers, totally not a lightweight VM, and also not a hype.
Posted by jpluimers on 2018/05/08
If you start doing stuff with containers, be sure to read the below parts of a series “Containers, totally not a lightweight VM, and also not a hype.” by Kristian Köhntopp, Senior Scalability Engineer at Booking.com.
Be sure to read all the links below, including the comment threads as there is a wealth of information in them.
I’ve tried to summarise parts further below, but there is so much information in the links that you really should long read all the links.
- [WayBack] Containers 101 – The Isoblog Summary.
- [WayBack] TOC: Containers, totally not a lightweight VM, and also not a hype.
- [WayBack] Part 1: Something about unix processes
- [WayBack] Part 2: Containers are regular Unix processes with a lot of baggage and limits
- [WayBack] Part 3: Containers on a single box are kind of boring. How about a million core computer?
- [WayBack] Part 4: Finding your container in a sea of a million cores
- [WayBack] Part 5: Infrastructure for queues, monitoring, logging and other facts of live
- [WayBack] Part 6: Canned databases, or state and containers and why you need bigger switches
- [WayBack] Part 7: Starting containers in a defined setup and keeping them running
- [WayBack] Part 8: “serverless”
- [WayBack] Part 9: What is it doing to us?
- [WayBack] Part 10: B5 moments: Who are you? What do you want?
Further reading, all by or via Kristian:
- [WayBack] Load, Load Testing and Benchmarking – The Isoblog.
- [WayBack] Limits on Everything – The Isoblog.
- Was ist Cloud? Great presentation including transcript by Kristian Köhntopp.
- The Eight Fallacies of Distributed Computing
Some highlights of the parts
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Windows Firewall: Block rules take precedence over Allow rules
Posted by jpluimers on 2018/05/07
Reminder to self for Windows Firewall: Block rules take precedence over Allow rules (see * below as actually it is even more complex); [WayBack] Firewall Rule Properties Page: General Tab has
Firewall rules are evaluated in the following order:
- Allow if secure with Override block rules selected in the Customize Allow if Secure Settings dialog box.
- Block the connection.
- Allow the connection.
- Default profile behavior (allow or block as specified on the applicable Profile tab of the Windows Firewall with Advanced Security Properties dialog box).
Within each category, rules are evaluated from the most specific to the least specific. A rule that specifies four criteria is selected over a rule that specifies only three criteria.
Which means that this will block TCP port 1024 traffic to bar.exe:
The Block rules are inserted by Windows if you click “Cancel” on a dialog like this (note the lowercase path, despite the application being at C:\Program Files (x86)\Foo\Bar.exe):
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Posted in Firewall, Infrastructure, Power User, Windows | 1 Comment »
CoreFreq – A Powerful CPU Monitoring Tool for Linux Systems
Posted by jpluimers on 2018/05/07
I need to check out if it finally got available for OpenSuSE: [WayBack] CoreFreq – A Powerful CPU Monitoring Tool for Linux Systems
via:
- [WayBack] CoreFreq is a CPU monitoring software designed for the 64-bits Processors #Linux – Linux Inside – Google+
- [WayBack] CoreFreq is a CPU monitoring software designed for the 64-bits Processors #Linux – Jeroen Wiert Pluimers – Google+
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Posted in *nix, *nix-tools, Linux, openSuSE, Power User, ps, SuSE Linux | 2 Comments »
How to move Gmail sub-label out of hiearchy – Web Applications Stack Exchange
Posted by jpluimers on 2018/05/04
Source: [WayBack] How to move Gmail sub-label out of hiearchy – Web Applications Stack Exchange
- Hover over the label
- Click the down error
- Choose Edit
- Change the nesting
–jeroen
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The Wiert Corner - irregular stream of stuff 