leibniz | Leibniz is an integration testing framework for Chef | Functional Testing library
kandi X-RAY | leibniz Summary
kandi X-RAY | leibniz Summary
Leibniz is simple utility which provides the ability to launch infrastructure using Test Kitchen, and run acceptance tests against that infrastructure. It is designed to be used as part of a set of Cucumber / Gherkin features.
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Top functions reviewed by kandi - BETA
- Creates a new platform instance
- Returns a new logger instance
- Read configuration
- Create a config file
- Retrieve the node by name
leibniz Key Features
leibniz Examples and Code Snippets
Community Discussions
Trending Discussions on leibniz
QUESTION
Can we prove isomorphism involving native types in Haskell ?
...ANSWER
Answered 2022-Feb-17 at 07:56I believe there is no good term of type Leibniz Bool (Either One One)
. Indeed, there are "strange" f
s where we can't do that conversion; the trivial example is that Bool :~: Bool
is inhabited but Bool :~: Either One One
isn't, and so if f = (:~:) Bool
then there is no function of type f Bool -> f (Either One One)
.
BUT if you modify Leibniz
slightly:
QUESTION
This is a task for a programming course. We need to approximate π using 2 different functions. 1 uses Gregory-Leibniz theory, the other Madhava of Sangamagrama's . Both of these aren't any problem, but the third function is giving me some trouble. :
Examine which of both sequences converges the fastest. Use this sequence to write a function approach_pi. This function should allow to determine an approached value of π , that is precise to n decimals. The value n should be given as an argument of the function. To determine the accuracy of the approach, you should check whether the difference between two consecutive terms in the sequence is smaller than 10^-n-1. When the difference between the (i-1)th and the i-th term becomes smaller than 10^-n-1, the i-th partial sum forms an approach of π to (n) decimals precisely. The function should give the tuple (i, p) as a result, i is the number of calculated terms and n is the approached value of π.
following part is my code:
...ANSWER
Answered 2021-Nov-01 at 21:42This becomes a lot more efficient if you build your functions as generators, so you don't have to rerun the entire sequence every time.
Computing closeness is just a matter of if abs(this - lastthis) < epsilon
.
This seems to work, and it shows how bad the Gregory-Leibniz method is:
QUESTION
When I run my code in R it was fine but when I was trying to knit it, there is an error code:
Error in approc[I] <- 4*s: object of type 'closure' is not subsettable
Write an R program to approximate π using the first n terms of the Leibniz formula:
...ANSWER
Answered 2021-Nov-01 at 18:42You haven't defined approx
before attempting to save values into it. approx
also happens to be the name of a base R function, so when you attempt to index (subset) a function (which has type closure
) you get the iconic R error that "object of type closure is not subsettable". Try including approx <- numeric(n)
before calling your for loop and it should be fine.
QUESTION
I am creating an app that will display interstitial ads through Google AdMob. I have checked and double checked my codes over to see if I missed a step or something wasn't right, and from what I can tell it's correct according to this website. If I use the test id that they provide us to use for testing, the ad will popup. If I replace the test id with mine that I created almost two weeks ago, it will not popup. I get the following error in my logcat...
...ANSWER
Answered 2021-Oct-07 at 01:53Your interstitial ads implementation is fine, and you don't have to do anything else to load real ads.
Test ads are showing and your real ads are not, is because Admob doesn't start showing ads until you get a certain amount of traffic on your app. You shouldn't try to load real ads from your device. As Admob will detect it and will place limited ad serving on your account.
From Admob documentation
When building and testing your apps, make sure you use test ads rather than live, production ads. Failure to do so can lead to suspension of your account.
Never test with real ads, if test ads are working fine then real ads will work too.
QUESTION
I am trying to make a C program that calculates the value of Pi
from the infinite series, aka Leibniz series, and display it to the user. My problem is that I need to display a special message that appears when the program hits the first 3.14
, and the first 3.141
. That special message should include in which iteration of the loop did the the number become 3.14
and 3.141
. I am not lazy so a found a way to make the infinite series but the second part I couldn't figure out, so what should I add to my code to make it display the special message?
ANSWER
Answered 2021-Sep-26 at 07:37Here's a possible solution:
QUESTION
I have the following XML-Snippet …
...ANSWER
Answered 2021-Aug-20 at 11:26Simplified Solution:
Source XML-File:
QUESTION
I'm making a simple test of the Rust wrappers for x86 intrinsics: the approximation of PI by the Leibniz series:
...ANSWER
Answered 2021-May-08 at 09:01My guess is that you're hitting this bug: https://github.com/rust-lang/rust/issues/83027
The bug is that when native
is used, target_feature
isn't applied correctly, which is what all of the intrinsics use. As a result, your calls to the intrinsic functions probably aren't being inlined. You should look at a profile to confirm that.
More generally, I would recommend using runtime CPU feature detection and correct use of #[target_feature]
. You should only be calling functions that operate on 32-byte vectors from functions that have at least the avx
feature enabled.
QUESTION
I have an inductive type Env
that is a snoclist with multiple cons constructors
ANSWER
Answered 2021-Apr-20 at 16:26You could declare WfEnv
to be a morphism for the relation EnvEq
as follows:
QUESTION
I am asked to write the C code that finds the number pi using the Leibniz formula. However, the result should be 3.14 but result turns 3.23. What is the reason for this?
...ANSWER
Answered 2021-Feb-18 at 13:53I played with it by increasing your iterations.
At "200" I got 3.15.
Basically "10" isn't even close to enough.
QUESTION
I'm trying to plot the outcomes of the below calculation in a graph, x being the values of N, and y being the calculated errors, but when I do so I'm unable to see the graph, does anyone know why?
Your kind support would be very helpful.
...ANSWER
Answered 2020-Dec-10 at 08:05Since you're only plotting point you have to use plt.scatter(N, Final_Leibniz_Error)
instead since plot will only draw lines between pairs of points
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
Vulnerabilities
No vulnerabilities reported
Install leibniz
Leibniz takes the view that acceptance testing of infrastructure should be performed from the outside in, and make assertions from the perspective of an external user consuming the delivered infrastructure. To get started, you will need to write some features and some steps. Depending on how you build your infrastructure (at present the assumed approach is Berkshelf and wrapper cookbooks, but there's no reason why it wouldn't work with Librarian-chef, or some other approach). Assuming you have Berkshelf installed, you can use the in-built cookbook generator to create your wrapper cookbook. The alternative is to create a cookbook directory, or use knife to create a cookbook, and then add 'berkshelf' to a Gemfile, and run bundle install, followed by berks init.
Server Name - this is the name of the machine you will be provisioning. Leibniz will prepend leibniz to the name and will launch a machine with this name.
Operating System - this translates to the base OS of a Vagrant box which is downloaded on demand. The boxes used are Opscode's 'Bento' boxes, and have nothing other than a base OS installed. At present ubuntu, debian, centos and fedora are supported.
Version - this is version of the Operating System. See the Bento website for an up-to-date specification of the available versions.
Chef Version - this is the version of the Chef 'client' software to be installed.
Run List - this is the Chef run list which will be used when the node is converged.
Given a URL "http://generic-webpage.com"
When I browse to the URL
Then I should see "This is a generic webpage"
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