Codelogicx Technologies Interview Questions, Process, and Tips

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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. 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?
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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. How to integrate Push Notification in IOS?
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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?
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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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