How ensure works in ruby

checkout this code and the output def lab yield ensure puts 'in ensure block' true end puts lab { puts 'inside inline block'; false } output is #inside inline block #in ensure...

jquery sortable, floats, and clears

So I have a quick mockup here of what I am trying to do - http://antimac.meloncreative.co.uk/labs/nth.php The live version is done using thumbnails inside the divs, and these thumbnails are of...

Configuring TFS - Advanced wizard

Perhaps this was asked before but I can't find a whole lot on this, so I would appreciate some help. Our architecture is as follows: Win 7 desktop on a domain with VS 2010. MS Sql server R2 on Win...

How to get exact size of zipped file before zipping?

I am using following standalone class to calculate size of zipped files before zipping. I am using 0 level compression, but still i am getting a difference of few bytes. Can you please help me out...

How to debug a finally block in Visual Studio?

How do I debug the finally block in a try {...} finally{...} in the event of an uncaught exception? It seems that no matter what I do with the exception settings or debugger, Visual Studio will...

Jupyter Lab - launches but don't see any tabs (look/feel is 100% different than seen in youtube videos)

I have jupyter notebook version 4.2 on my MacOS (10.9.5) I launch via jupyter lab at the MacOS terminal and it automatically opens a browser at the following link: http://localhost:8888/lab At...

how can i make edge system so that i can implement Dijkstra's or A* Algorithm?

i want to apply Dijkstra's algorithm on list of features provided with geoJson file i have up to 100 features look at example . what i have done so far : extracted all points from features...

Return class instance instead of creating a new one if already existing

I defined a class named Experiment for the results of some lab experiments I am conducting. The idea was to create a sort of database: if I add an experiment, this will be pickled to a db before...

Python - why is this a malformed node or string?

I was just tidying up some code and ran into some trouble. I am getting an error I have never come across before ValueError: malformed node or string:['0.000', '37.903', 'nosing'] My openLabels...

bomb lab phase_3, don't know how to find the starting address for switch block

I am taking this software security class, but I have never done c before, I have taken some computer organization class, but not confident in assembly at all. I commented all the lines in the file...

Python defined function f(*x) failed quiz question

I'm coursing Python applied for Data Science in CognitiveClass.ai, i'm at the functions module and did not understand why I failed answering this function-related question. This is python 3 in a...

Cannot run peer because error when setting up MSP of type bccsp from directory ... Setup error: nil conf reference

I learn to create an application using hyperledger fabrics. This is my reference --> https://hyperledger-fabric.readthedocs.io/en/latest/build_network.html?highlight=script.sh I got an error when...

ERROR: Couldn't find a working QEMU executable

I am following MIT operating system engineering lectures.. I have installed Qemu and ran it successfully, I can use these commands within that folder "make clean" "make" and "make qemu" . There is...

Codeblocks isn't showing graphics window

I have tried to learn about graphics using codeblocks , and have initialized the graphics header to my library , every graphics code builds and compiles , and shows : Process returned -1073741819...

FirebaseRemoteConfigClientException on production (Android)

What have I done so far... I am using Tasks.await blocking mechanism for firebase calls in worker threads for avoiding callbacks. I am using a worker thread (JobIntentService) for some...

<AWS VPC> Unable to ping private subnet instance from a public subnet instance

May I seek for assistance about a lab exercise on AWS VPC that I was going through? Thanks. I created a new VPC, a public and private subnet respectively, and then launched 2 EC2 instances into...

Problem with text extraction from pdf using nodejs server and reactjs webpage

The following below is my code for textractUtils.js - const _ = require("lodash"); const aws = require("aws-sdk"); const config = require("./config"); aws.config.update({ accessKeyId:...

React Router working locally, but doesn't work after deploying to Heroku

Here, I have been developing a react web app using Create React App and I haven't used Express Framework and Webpack. Also, I have integrated it into the Spring Boot app. Spring Boot app contains...

Creating an internal-only Docker overlay network with docker-compose

I'm building a range of intentionally vulnerable/infected machines for teaching cybersecurity. For obvious reasons, I'd like this docker network to be completely isolated from the host and unable...

No template sub-directory with name 'lab' found in the following paths

I am running a python azure function which is running a jupyter notebook via the nbconvert API. This was working for a time, although without deploying new code I have started to get the following...

vscode in the browser copy/paste error: "The Clipboard API has been blocked because of a Feature Policy applied to the current document."

I'm trying out VS Code in the browser (similar to Jupyter Labs, it might be called "vscode-server"?) but I'm getting an error when I try to copy/paste anything: The Clipboard API has been blocked...

How to control the speed of a stepper motor using PID control and ultrasonic sensor?

Little backstory: I'm currently doing this project that deals with using two cars, called block A and B, which block B has to maintain a distance of 10 cm from block A using PID, PD, PI, or P. I'm...

Reduce total blocking time on mobile due to google ads

The score of my mobile website in google page insight is very poor because of google ads I only got 25 points while on desktop I got 77 points. How can I reduce the total blocking time for my...

How do I make the Material UI AutoComplete component look like the one on the Material UI website

The Material UI website has many examples of how to configure the AutoComplete component, but strangely it does not give an example of the most common use case ... a search input in the page...

Update VS Code and Kaspersky certificate

I just wanted to start VS Code on Windows Subsystem Linux but VS Code updates automatically. The issue is a certificate which VS Code wants to access but it is blocked by kaspersky. Kaspersky is...

Jupyer lab gives Error 500: Internal Server Error

I am pulling my hair out trying to get jupyter lab to run. I previously had it running great, but the machine which was running my server was reset for the first time in months, and since, I am...

BPF program is not valid - pcap sniffing

Hey everyone I'm trying to sniff packets using the pcap library. I have just one problem that I can not figure out: ERROR: BPF program is not valid. I'm trying to start the sniffing but this...

Minimum TLS Version in Azure Storage Account

I have an Azure Storage V2 account setup and I am trying to block TLS 1.0 and 1.1. I have set the Minimum TLS version to 1.2 but when I test the storage account using SSL Labs or other tools to...

How to gather localhost facts in Ansible while gather_facts is set to "no" for all hosts in Ansible?

My playbook uses routers as the hosts to perform tasks on. I have disabled facts for the hosts but I need to get access to ansible_date_time from the local host that I'm running the playbook on....

Cannot read property 'up' of undefined, material ui, theme.breakpoints

i'm struggling with the export of makeStyles. below is my code and configuration import SearchField from "../SearchField"; import { TextField, Select, useMediaQuery, Grid, Button, Box, Fade }...