How to Disable CommandButton After First Click in VF?
Question When developing a Visualforce page, you may encounter a scenario where users click a commandButton multiple times before the page completes its redirect or processing action. This can cause multiple submissions, leading to potential data issues or performance problems. How can you ensure that the button gets disabled after…
Why Are Data Cloud Licenses Not Visible in Sandbox?
Question Salesforce recently announced that Data Cloud is now available in Sandbox environments. However, after setting up a Sandbox, we are unable to see the Data Cloud licenses or permission sets. Why is this happening, and what is the solution or workaround to enable Data Cloud in a Sandbox? Answer…
Why Is DML Not Allowed in Constructors?
Question: Why is it not allowed to perform DML operations within an Apex class constructor? Is there a specific reason for this restriction? Despite searching extensively, the rationale behind this limitation doesn’t appear to be well-documented. Answer: DML operations are not allowed in constructors because of potential side effects that…
React JS APIs Interview Questions
Table Of Contents As a developer, mastering React JS APIs is crucial for building dynamic and scalable applications. In interviews, recruiters often dive deep into your understanding of APIs like useState, useEffect, Context API, and advanced concepts like Error Boundaries and Suspense. They don’t just test your knowledge—they evaluate how…
How to Avoid DML Operations from For Loops in Salesforce
Table Of Contents In Salesforce development, optimizing code for performance and scalability is paramount. One common mistake that developers make is performing DML (Data Manipulation Language) operations inside loops. While this may seem like an easy solution, it can result in hitting Salesforce’s governor limits, causing system errors or slow…
Interview Tips for a Software Engineer Role
Table Of Contents Landing a software engineer role is a major milestone in any tech professional’s career, and the interview is your opportunity to stand out. As someone who’s been through this process, I can tell you that the questions you’ll face can be both challenging and rewarding. From technical…
Why Components Persist During Navigation in Lightning?
Question: In Salesforce Lightning Experience, I have custom Lightning pages and apps, both overriding default record views and serving as standalone pages accessed from the sidebar. However, when navigating from one tab to another, the components seem to only be hidden rather than destroyed. Upon navigating back to the tab,…
Why Does an SOSL Query Failing with ‘s’ at the End?
Question When executing an SOSL query in the Developer Console, a simple search like: returns results as expected. However, modifying the query to include an additional ‘s’ at the end: causes the query to take longer and return 0 results, even though both “searchterm” and “s” appeared in the results…
Top 20 Jenkins Interview Questions
Table Of Contents If you’re gearing up for a Jenkins interview, you’re in the right place. As someone who’s been through the interview process, I know that Jenkins interview questions can range from basic to highly technical, challenging you to demonstrate your expertise in continuous integration and delivery pipelines. You’ll…
