Attached: 1 image 1/3 #TechTuesday #Password I have a #TechTip for you this week about how to create memorable, #Strong #Passwords such as a mix of letters and numbers, at least 1 uppercase, at least 1 special character, etc. I got this one from a video by an actual hacker. He said to think of a memorable sentence, and abbreviate it into a password. So, a sentence like "My birthday is the 29th of February!" abbreviates to "Mbit29thoF!". So it's strong, and easy to remember! But that's only the start...
@chucker @codinghorror
"thatβs good advice for your master password" - every password, all of them unique and memorable
"you shouldnβt even _know_ the password" - what's wrong with being the only person in the whole word who knows your own passwords, none of which are written down or stored anywhere at all? π
@SmartmanApps @codinghorror making a password memorable decreases its entropy. A random password you don't have to memorize can be longer.
That's why only the passwords you really _have_ to type in by hand should be memorable.
@chucker @codinghorror
"A random password you don't have to memorize can be longer" - the only limit to the length of this one is your own imagination.
"That's why only the passwords you really _have_ to type in by hand should be memorable" - yep, solved problem. Did you even read the thread?
@SmartmanApps your thread says:
>So what we want to do is follow this same process for each place and have a memorable strong password for that place.
Do not create memorable passwords for "places". Use a password manager.
I love a good XKCD comic; Randall Munroe has a unique way of cutting right to the crux of technology issues and always doing it in a humorous fashion. Little Bobby Tables [http://xkcd.com/327/] remains an all-time classic and itβs amazing how many times youβll see
@bob_zim @chucker
"No, this is terrible advice" says person who can't come up with a single reason why it's "terrible".
"As SΓΆren said" - who also couldn't come up with a single reason why this was "terrible".
"then all further passwords should be randomly generated" - they are. Dynrtt? (Did you not read the thread?)
"made up of dictionary words which I selected randomly, then memorized" - or you can just pick 1 memorable sentence to begin with! (Ycjp1mstbw!)
@bob_zim
"After reading some of that accountβs recent posts, they are similarly wrong" - says person who demonstrably stopped reading before coming to the MATHS TEXTBOOKS which prove it's all correct. All posts from this account are factual. I'm a Maths teacher
"which the poster asserts equals 1" - as do Maths textbooks and calculators
"parens resolve first yielding 8/2*4" - no, they yield 8/(2x4)=8/8
"then multiplication and division" - there is no multiplication, only brackets and division
@bob_zim
In other words, you disobeyed both The Distributive Law and the order of operations rules, hence your wrong answer
"depends on operating only in the space of real numbers" - we're not doing any operations, we are simply writing an infinitely recurring decimal. False equivalence argument, which you would know if you kept reading
"in the system of hyperreals, 0.9β¦ exactly equals 1" - we're still not doing any operations with it. It's still equal to infinitely recurring 9's, not 1.
@SmartmanApps @chucker No, this is terrible advice. As SΓΆren said, you should create one password for a password manager, then all further passwords should be randomly generated and stored in that password manager. This has been standard advice in the security community for about 20 years. Password length is much more important than the variety of characters used.
As someone who deals with authentication security for a living, my master password is around 50 characters long and is made up of dictionary words which I selected randomly, then memorized.
@chucker After reading some of that accountβs recent posts, they are similarly wrong. I now suspect it to be some kind of troll. For example:
https://dotnet.social/@SmartmanApps/112711027003047449
The provided example with the division and parens is 8/2(1+3), which the poster asserts equals 1. No, it equals 16. The parens resolve first yielding 8/2*4, then multiplication and division resolve at the same time, left to right.
Similarly, the assertion 0.9β¦ it not equal to 1 depends on operating only in the space of real numbers, and 0.9β¦ is not a real number. Itβs a hyperreal, and in the system of hyperreals, 0.9β¦ exactly equals 1.
Attached: 1 image 1/6 This #MathsMonday I want to cover a new storm I've seen brewing, but first I want to go over again the motivation for these #Maths posts... On one hand it's to provide me (and you!) with things that can be linked to, to save myself (and you) from repeating myself, but peeling back the onion on that really it's about preventing #Math #bullying, for sadly I have seen people who bully others into believing the wrong #Mathematics answer. i.e. not about who's right, but stopping the #bullies!...
Jeff Atwood
π‘πππΊππππΊπ π°ππππ±
SΓΆren
Lisa Gaudette
Zimmie