Codelogicx Technologies Interview Questions, Process, and Tips

Q1. What is Linear regression?
Ans. 
Linear regression is a statistical method used to model the relationship between a dependent variable and one or more independent variables.
• Linear regression is used to predict the value of a dependent variable based on the value of one or more independent variables.

• It assumes a linear relationship between the independent and dependent variables.

• The goal of linear regression is to find the best-fitting line that repres...read more
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Q2. What is loss function?
Ans. 
Loss function measures the inconsistency between predicted values and actual values in a machine learning model.
• Loss function quantifies how well a model is performing by calculating the error between predicted and actual values

• Common loss functions include Mean Squared Error (MSE), Cross Entropy Loss, and Hinge Loss

• The goal is to minimize the loss function to improve the accuracy of the model

• Different types of machine...read more
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Q1. Questions on Javascript, node js API, RBMS, NoSql
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DSA and problem solving questions are alloted in coding test but in not so hard. These are in medium difficulty level.

Q1. Laravel and php class and OOPS concepts
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Q2. Small coding questions
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Q1. How to integrate Push Notification in IOS?
Ans. 
To integrate Push Notification in iOS, you need to register for remote notifications, handle the registration token, and implement the necessary delegate methods.
• Register for remote notifications using the UIApplication.shared.registerForRemoteNotifications() method.

• Implement the AppDelegate's didRegisterForRemoteNotificationsWithDeviceToken method to handle the registration token.

• Implement the AppDelegate's didReceive...read more
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Q2. How to upload/download files or fetch requests for API?
Ans. 
To upload/download files or fetch requests for API in iOS, you can use URLSession and its related classes.
• Use URLSession to create a URLSessionDataTask for making API requests.

• For file upload, use URLSessionUploadTask and provide the file URL.

• For file download, use URLSessionDownloadTask and specify the destination URL.

• Handle the response and errors using completion handlers.

• Example: URLSession.shared.dataTask(with: ur
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Q1. What is your Salary Expectation?
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