QualiZeal Team Lead Interview Questions and Answers

Identify the issue, isolate the code, fix the issue, test the fix, and deploy the updated code.

• Identify the issue by reviewing logs and error messages.

• Isolate the code by identifying the specific module or function causing the issue.

• Fix the issue by updating the code and testing the fix.

• Test the fix by running automated and manual tests to ensure the issue is resolved.

• Deploy the updated code to the appropriate environment.

Middleware in .NET Core is a pipeline of components that handle HTTP requests and responses.

• Middleware components can be added to the pipeline using the Use() method in the Startup class.

• Middleware can be used for authentication, logging, routing, and more.

• Middleware can be created using classes or lambda expressions.

• Middleware can be ordered in the pipeline using the Order property.

• Examples of middleware include AuthenticationMiddleware, RoutingMiddleware, and StaticFileMidd...read more

Code optimization techniques aim to improve the efficiency and speed of code execution.

• Use efficient algorithms and data structures

• Minimize memory usage and avoid unnecessary operations

• Use compiler optimizations and profiling tools

• Consider parallelization and concurrency

• Avoid premature optimization and focus on bottleneck areas

Lifecycle hooks are methods that allow you to tap into the lifecycle of a component or directive in Angular.

• There are eight different lifecycle hooks available in Angular.

• They are: ngOnChanges, ngOnInit, ngDoCheck, ngAfterContentInit, ngAfterContentChecked, ngAfterViewInit, ngAfterViewChecked, ngOnDestroy.

• Each hook is called at a specific point in the component or directive's lifecycle.

• For example, ngOnInit is called after the component has been initialized and ngOnChanges is...read more

Data traversal in MVC involves accessing and manipulating data within the model layer of the MVC architecture.

• Data traversal is the process of accessing and manipulating data within the model layer of the MVC architecture

• This can be done using various techniques such as LINQ, foreach loops, and lambda expressions

• Data traversal is important for retrieving and displaying data to the user in the view layer of the MVC architecture