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I've always thought about debugging in terms of tree pruning. Start at the top of the tree and eliminate branches that do not get you to the root of the problem.
In order to do that, you must have a mental picture of what the "tree" looks like. I think that is part of the problem with debugging today, the systems are so complex that no single person can put together that mental picture. Think any big software system, Windows, Linux, AEGIS, Space Station, etc.
Many moons ago on a super minicomputer I had a hardware problem that occurred once every 2-3 weeks, on a system doing millions of instructions per second.
The problem was easily to see (I was working in assembly language); the machine had word & half word instructions. If a half word instruction was followed by a full word instruction the assembler automatically generated a right hand half word NOOP so that the word instruction fell on a word boundary. If everything is working properly, the RH half word NOOP was skipped during instruction executions by the machine.
Except that every 2-3 weeks it didn't skip the RH NOOP (PSW was screwed up and pointed to the NOOP). I had a pretty good mental picture of what was going on, wrote a program to exercise I/O devices based on front panel switches and display each time the RH NOOP was executed in the front panel display (this was back in 1973-1974).
After fiddling to find the right combination of switches that would cause the counter to increment, the tech came in I ran the program & he fixed the issue in less time that it took to show him the problem.
Turned out to be a tap on a delay line that had to be moved to the next tap (5 nsecs).
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Do you weigh a Millennial in Instagrams?
"I have no idea what I did, but I'm taking full credit for it." - ThisOldTony
"Common sense is so rare these days, it should be classified as a super power" - Random T-shirt
AntiTwitter: @DalekDave is now a follower!
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A weighty subject indeed.
Unfortunately, an instant measure of mass is impossible because of Quantum. 
Freedom is the freedom to say that two plus two make four. If that is granted, all else follows.
-- 6079 Smith W.
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and the speed of their Social Media is measured in Views/TikTok
"Time flies like an arrow. Fruit flies like a banana."
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I thought it was snaps. or is it TikToks which would be clocks right?
To err is human to really elephant it up you need a computer
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"TikToks" is how you measure the age of a Millenial*
* Or cut them in half and count the rings.
"I have no idea what I did, but I'm taking full credit for it." - ThisOldTony
"Common sense is so rare these days, it should be classified as a super power" - Random T-shirt
AntiTwitter: @DalekDave is now a follower!
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You may trigger mass hysteria unless you pound some sense into their heads. Beware !
| Ravings en masse^ |
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| "The difference between genius and stupidity is that genius has its limits." - Albert Einstein | | "If you are searching for perfection in others, then you seek disappointment. If you seek perfection in yourself, then you will find failure." - Balboos HaGadol Mar 2010 |
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And once you've got that all sorted out, an update will change your email preference from Outlook to that useless Microsoft Mail... And then, if you happen to still be using Office 2010, another update will make it so it does an almost complete reinstall, taking up 2+ minutes to open up something you just wanted to glance at...
MS - doing their best to keep you on your digital toes.. 
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I think hotmail was retired some time ago; it's outlook.com now.
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It is still being offered when registering.
Right now I had:
outlook.de
outlook.com
hotmail.com
If they are discontinued... why the ![Elephant | [mastadon]](https://www.codeproject.com/script/Forums/Images/elephant.gif) ing ![Sunshine | [little ray of sunshine]](https://www.codeproject.com/script/Forums/Images/sunshine.gif) are they still being offered in the combobox?
M.D.V. 
If something has a solution... Why do we have to worry about?. If it has no solution... For what reason do we have to worry about?
Help me to understand what I'm saying, and I'll explain it better to you
Rating helpful answers is nice, but saying thanks can be even nicer.
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What combo box are you referring to?
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The one in outlook site when you go "register a new address"
you have an input field to give your "nickname" before the "@" and a combobox for the part behind the "@"
And there is "hotmail.com" still offered as a possibility for new generated emails
M.D.V.
If something has a solution... Why do we have to worry about?. If it has no solution... For what reason do we have to worry about?
Help me to understand what I'm saying, and I'll explain it better to you
Rating helpful answers is nice, but saying thanks can be even nicer.
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But I thought that is what you wanted? When I tried it it accepted my suggested name with a hotmail.com domain.
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Richard MacCutchan wrote: But I thought that is what you wanted?
My father wants "hotmail".
Richard MacCutchan wrote: When I tried it it accepted my suggested name with a hotmail.com domain.
the suggested name was accepted in all 4 tries I did. In the first sight I saw no problem while registering, but I could not use it at all, when I tried to log in it gave me weird error messages.
I will try again next week, once the desired nicknames are free again after the deletion period.
M.D.V.
If something has a solution... Why do we have to worry about?. If it has no solution... For what reason do we have to worry about?
Help me to understand what I'm saying, and I'll explain it better to you
Rating helpful answers is nice, but saying thanks can be even nicer.
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I just created sdrahcir57@hotmail.com. SA bit of a faff but it works OK.
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Nice.
Thanks for the confirmation. I will try it again.
M.D.V.
If something has a solution... Why do we have to worry about?. If it has no solution... For what reason do we have to worry about?
Help me to understand what I'm saying, and I'll explain it better to you
Rating helpful answers is nice, but saying thanks can be even nicer.
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Richard is right - it's been about 4 years since new hotmail addresses were closed.
"I have no idea what I did, but I'm taking full credit for it." - ThisOldTony
"Common sense is so rare these days, it should be classified as a super power" - Random T-shirt
AntiTwitter: @DalekDave is now a follower!
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Then why are they still being offered when registering a new address?
Check it.
I had right now:
outlook.de
outlook.com
hotmail.com
in the combobox.
M.D.V.
If something has a solution... Why do we have to worry about?. If it has no solution... For what reason do we have to worry about?
Help me to understand what I'm saying, and I'll explain it better to you
Rating helpful answers is nice, but saying thanks can be even nicer.
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I've noticed that what domains you are offered depends on what country you're in and/or what country's outlook.* you go to.
For me here in the UK, Outlook gives me a choice of @outlook.com or @hotmail.com for a new address. Annoyingly one cannot choose @hotmail.co.uk (which used to be an option).
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Microsoft's password reset system would make Rube Goldberg blush. It has got to be the absolutely worst password reset system ever developed.
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Quote: I find this especially ironic given their length blog post explaining why they no longer agree with expiring passwords[^].
Yes it is ironic. But perhaps not surprising if you consider how many times they buried and resurrect COM over the years.
"In testa che avete, Signor di Ceprano?"
-- Rigoletto
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Honestly, can't we have biometrics and end all this password nonsense?
My Chrome says that I have passwords that have been compromised. They give me a list of sites I have logged into. About 1/3 of them are localhost. So, my confidence in that message is low
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Exactly.
And yes, my localhost passwords are critical security vulnerabilities too. I really need a better password other than "password".
Maybe I'll try Password. That's sure to be OK, right?
cheers
Chris Maunder
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