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Questions tagged [lab]

Lab is a simple test utility for node.

Unlike other test utilities, lab uses domains instead of uncaught exception and other global manipulation. Our goal with lab is to keep the execution engine as simple as possible, and not try to build an extensible framework. lab works with any assertion library that throws an error when a condition isn't met.

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Thresholding image in LAB color space

I'm thresholding an image in LAB space (to extract certain color on DAB stained tissue slide). However I'm stumped as to what values to put for the thresholded pixel. Both 0 and 255 mean a color on the a-channel and b-channel. Using 127 (neutral…
Darshat
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Does async/await handle uncaught rejection errors differently?

In the following code block (example #1), expect(this.req.headers["user-agent"]).to.equal("BOOM") throws error and test fails. describe("http.get with headers", () => { it("should return response with status code 200", async () => { const…
sunknudsen
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@hapijs/lab: how to prevent creation multiple DB connections when testing the server?

I develop an API server with Hapi. I use @hapi/lab for testing. I have different test files for different API modules/routes. There is a server initialization in each test file. A DB connection is created when the server is initialized,…
ekorolev
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Can The VMs in Azure Lab Service have internet Connection?

I am looking for a cloud enviroment for teaching some network and IT Pro training courses. Before i try the Azure Lab Services, can you tell me if the VMs can have Internet Access or the VMs will just connect with another VMs in the same lab?
Cláudio Luiz Tavares Costa
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Format String Vulnerability Lab

First year Cybersecurity student here (I am new to a lot of things, like Linux and such) I am having some trouble modifying a secret value in my lab. Here is what I need to do for it gcc -z execstack -o vul_prog vul_prog.c sudo chown root…
EMMJAY
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Having trouble to get a file to read properly for my final lab of the semester and keep running into problems with reading the actual file

So we have a lab to do and it involves reading files and all that fun stuff. This is what the txt file looks…
Kninja99
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when trying to test my hapijs application "register" [1]: -- missing --

I am using hapijs v17.2.3 . Also I am very new to hapi .I am trying to test my code using Lab a simple test utility for Node.js and code assertion library. my test.js file is : 'use strict'; var path = require('path'); var dotEnvPath =…
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I can't save RGB image as a Lab image

I'm trying to read an RGB 8-bit image, converting it into Lab and save it. The result is always interpreted as an RGB image and it's very strange (saturated). I tried not to normalize values or to use RGB2Lab or to convert the images to 32FC but…
Davide577
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Join Active Directory on a DC VM in azure

I'd like to set up a small lab in Azure. Two vm's, one is the domain controller and the other is the Windows 10 client. Both are in the same subnet IP 10.0.0.1 /24. My problem is , my client can't join the ad on my dc. And the client get always "AD…
Pascal Odermatt
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Creating Azure DEV TEST environment, creates overlapping address space

Created a TEST DEV LAB type resource and Azure then automatically creates a virtual network which overlaps the company network. Which I can't seem to change. enter image description here
user3845661
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OpenCV load CIE L*a*b* image

I'm trying to load a CIE Lab* image using openCV in C++. Online I can find only examples that load an RGB image and convert it into a LAB image but I already have the LAB image so how can I load it and than access to the values of L, a and b? The…
Davide57
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Basic hapijs/lab test fails asking for a callback argument or return a promise

The very basic test in hapijs/lab fails: 'use strict'; const Code = require('code'); const expect = Code.expect; const Lab = require('lab'); const lab = exports.lab = Lab.script(); lab.experiment('math', () => { lab.test('returns true when 1 +…
svakili
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How to cover statements inside a loop in test coeverage

I have a function, code is written below. I am using lab as code coverage tool. getClients = async (partnerId) => { try { const results = await PartnersClients.findAll({ attributes: ['clientId'], where: { …
Rohit Choudhary
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Converting Tiff images to LAB colorspace with Imagemagick

I am completely new to Imagemagick and I need to convert different types of images to the LAB colorspace. I Am currently using this command: magick convert "input4.tif" -flatten +profile tiff:37724 -colorspace Lab -auto-orient -intent Absolute…
Tterhuelle
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Ultra high speed SQL queries for nearest colour match using k - Nearest Neighbour

Background I have an SQL database table set-up on "SQLite" with over 100,000 colour codes stored in the form of colour space parameters L, a, b (https://en.wikipedia.org/wiki/Lab_color_space). Task at hand: We want to match a randomly chosen colour…
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