ouroboros | CSS spinner for modern browsers , built with Sass | Frontend Framework library
kandi X-RAY | ouroboros Summary
kandi X-RAY | ouroboros Summary
See blog entry at for more details. The Ouroboros is an ancient symbol depicting a serpent or dragon eating its own tail. Inspired by application progress spinners this provides an imageless 'throbber' for modern browsers that eats itself (in a way). The name comes after the greek words ουρά (tail) + βόρος (eater / devourer).
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Community Discussions
Trending Discussions on ouroboros
QUESTION
Code:
...ANSWER
Answered 2020-Oct-16 at 02:10&'a dyn Trait<'a>
has many the same problems &'a mut Struct<'a>
does. Because traits (and therefore trait objects) are invariant over their lifetime parameters, once you put 'a
in a trait, the compiler can no longer vary it to try to satisfy lifetime constraints.
You cannot tell the compiler that a trait is covariant, but if you can't simply remove the lifetime parameter from MyOtherTrait
entirely, you might use a higher-ranked trait bound (HRTB) to say that MyOtherTrait
is not parameterized with 'a
within MyTraitDynWrapper<'a>
:
QUESTION
I read carefully the Kubernetes Documentation here about extending the default 15% of imagefs.available
and the others parameters but it doesn't say how to set it, i have installed the RKE (Rancher Kubernetes Engine) with the following configs.
ANSWER
Answered 2020-Sep-04 at 00:23The kubelet has the following default hard eviction threshold: memory.available<100Mi nodefs.available<10% nodefs.inodesFree<5% imagefs.available<15%
As per official Rancher page:
You can add additional arguments/binds/environment variables via the Config File option in Cluster Options. For more information, see the Extra Args, Extra Binds, and Extra Environment Variables in the RKE documentation or browse the Example Cluster.ymls.
Look in the full example how you can configure kubelet options:
QUESTION
I've been trying to set up my work environment so I can attempt the Beeware tutorial.
https://voc.readthedocs.io/en/latest/background/install.html
I'm following the steps of this installation tutorial using Bash Shell in Windows 8 with Python 3.7. I installed all the relevant software and configured the environmental variables etc.
The problem I encounter happens when I try to create the JAR support file inside my activated venv:
...ANSWER
Answered 2019-Nov-29 at 07:55You might want to try with a different environment e.g. on a docker container.
Here is a report of a try with Ubuntu 18.04 LTS as of 2019-11-29. I followed https://voc.readthedocs.io/en/latest/background/install.html
Python 3.7 is used instead of the default 3.6.
QUESTION
Re https://youtu.be/vgfTHVWaNCY
Why we need to have interoperability layer between Ouroboros Classic and Ouroboros Genesis in form of Ouroboros BFT?
Why not just discontinue all Ouroboros Classic nodes and switch right to Ouroboros Genesis? (Iohk owns them all anyway, because cardano not released yet)
...ANSWER
Answered 2019-Sep-09 at 15:59The current codebase is been deprecated and two new are already in development (in Rust and Haskell). For the sake of speed, it’s way easier to implement Ouroboros Genesis + OBFT rather than Ouroboros Genesis + Ouroboros Classic (with the specific technical decision already made in the old repository).
QUESTION
I am confused by the description of PoS algorithm here https://hackernoon.com/a-hitchhikers-guide-to-consensus-algorithms-d81aae3eb0e3
In PoS, the blocks aren’t created by miners doing work, but by minters staking their tokens to “bet” on which blocks are valid. In the case of a fork, minters spend their tokens voting on which fork to support. Assuming most people vote on the correct fork, validators who voted on the wrong fork would “lose their stake” in the correct one.
Is this how Ouroboros algorithm works?
...ANSWER
Answered 2019-Jun-24 at 13:36No.
A users stake is not directly affected by the staking process in any variant of the Ouroboros protocol. In practice, if a user extends the "wrong fork", they simply end up not getting any rewards for this block down the line.
Slashing algorithms are not necessary for Ouroboros, as it employs cryptography and probabalistic analysis to rule out the attacks it is designed to prevent.
Even if it were necessary, however, typically it comes in the form of punishing provably bad behaviour, and not honest "mistakes" (of which extending a shorter chain is one). Specifically, the variants I've seen will punish users if they create two blocks at the same point, i.e. they actively fork the chain.
QUESTION
I'm trying to write a code to use vlookup
where the reference is another file. The reference table is from cell a2
to a300
. The lookup value is from cell G2
to end of column. The vlookup
is to be done in column AA
.
I found the code below on one of the solutions on this website, but have no idea how to change it to suit my file.
...ANSWER
Answered 2019-Jun-12 at 12:10Try this. You'll need to adjust the workbook and sheet names to suit.
Not sure what output you are expecting, I have just added a text message in the output cells in AA.
QUESTION
The python code starts a web server, and it has these web pages of interest:
- index.html : This contains an HTML Form which takes username and password
- configure.html : This page should be called with POST username & password when form of index.html is submitted
.
...ANSWER
Answered 2018-Apr-24 at 18:51The problem is that your HTML is invalid, enough so that it's forcing the browser into "guess what I mean mode", and the browser is apparently confused enough to guess badly wrong.
I can't actually reproduce the problem on a variety of different Chrome, Safari, and Firefox browsers on macOS, iOS, and Android—they all properly send a POST
. But an unmatched tag error is exactly the kind of thing that could cause this kind of problem.
In particular, you have two
tags, which are closing tags for a
that you never opened. Most likely this was just a typo or thinko for
(a self-closing tag).
You also may have another error. In HTML5, while attribute names are always case-insensitive, not all attribute values are. I'm pretty sure HTML 5.2 explicitly requires enumerated attributes to do ASCII-case-insensitive matching, but IIRC, HTML 5.0 left it unspecified. If so, and if your browser is not up to date, technically it could legally treat POST
as an invalid value and use the invalid-value default of get
, instead of treating it as post
. I'm not actually sure this is true—and, even if it is, I can't find a browser that actually behaves that way, and can't imagine any would have a good reason to do so, so I doubt this is your problem. But still, no reason not to get it right.
So, the fix is to change your HTML to this:
QUESTION
I have the following for one of my deployment files:
...ANSWER
Answered 2018-Feb-23 at 09:58If you run eval $(minikube docker-env)
command, your local docker dommand will be actualy run on the docker that is powering minikube. That means that if you use pullPolicy: if NotPresent
and set that env, you can use docker build
to update that image to a localy built development version (with pullPolicy: Always
it would still pull from docker hub).
QUESTION
I am am trying to get both the Height
and Width
of a WebView
in a tab to resize. The Width
works the height doesn't. The System.out.println();
's show that the height is getting entered correctly, but you can only see a little bit at the top. How do I make it so the height will scale like the width does?
ANSWER
Answered 2017-Feb-04 at 21:42The width works because the Scene
width is always equal to the Content
width hence your problem, the height is different since you added the MenuBar
(menuBar
)
so in your HeightListener
do this
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On a UNIX-like operating system, using your system’s package manager is easiest. However, the packaged Ruby version may not be the newest one. There is also an installer for Windows. Managers help you to switch between multiple Ruby versions on your system. Installers can be used to install a specific or multiple Ruby versions. Please refer ruby-lang.org for more information.
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