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Nested / Cascade query in SOQL
Get contact object’s related Opportunity When you have a master-detail relationship ( Contact to Opportunity) and want to get opportunities data on a contacts list page by using a custom component then you need to get each contact related opportunity. Contact can have multiple opportunities for achieving this in the best scenario need to write…
Declarative tools in salesforce
There are three types of main declarative tools in salesforce. They are mostly used for automating business processes. A savvy admin can save users time and clicks while creating consistency of processes and increasing data integrity, so the tools available on Salesforce can be very useful to organizations. In salesforce stating time workflow rule was…
SalesForce Questions
Salesforce mind dumps Universal Container wants Opportunities to no longer be editable when reaching the Closed/Won Stage How Should a developer accomplish this? A) Use Flow Builder B) Use a validation rule C) Mark Fields as read only on the page layout D) Use the process Automation Settings. Show Answer Use a Validation rule Which…
PHP Interview Question 2021
We are updating some recent interview topics for PHP developer with 4-5 years of experience. OOPs is main target for all interviews. you must cover all oops based questions, most of interview are start with oops then they go for your expertise . polymorphism in oops Geo-fencing and Cluster in google map Difference between authentication…
Ubuntu 20.04 Bluetooth not working [Resolved]
Bluetooth not working in ubuntu after update If you have been using Linux for a while, you would know Bluetooth and Linux don’t go well. Whatever may be the reason, it’s always face problem when you update Linux versions. Recently, since my upgrade to Ubuntu 20.04, I have come to notice that Bluetooth devices stop…
Git Log Commands
Show logs with file differences(we can add number of the commit which we want to see like -1,-2): git log -p Show logs with addition and deletion in a particular commit: git log –stat Show commits in one line: git log –pretty=oneline Show commit in short form: git log –pretty=short Show log from last two…
Create a swap memory in Linux
Swap memory is like RAM, in Linux is used when the amount of RAM is full. If the system needs more memory resources and the RAM is full then, other inactive pages in RAM are moved to the swap memory. While swap space can help machines with a small amount of RAM. Swap memory creates…
Make a bootable pendrive in Linux
Using DD command: Step 1:- “sudo fdisk -l” to find usb name in the system. like /dev/sdc (you can identify by Drive size)Step 2:- “sudo dd bs=4M if=Downloads/boss-8.0-amd64-DVD-301019.iso of=/dev/sdc1 status=progress && sync”(Make Sure you have selected Correct Drive Name and iso File path) Restore back for Bootable Drive Step 1:- “sudo wipefs –all /dev/sdd”Step 2:-…
Docker Commands
Install Docker in Linux ubuntu sudo apt install docker.io Check Docker Status sudo systemctl status docker It provides all the information of docker, and also use to check it is installed or not. docker info It will show a list of commands that available for us with a short description of what it does. docker…