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Osman Aras

Osman Aras

Hi, I'm Osman. I recently moved to the United States from Turkey. I'm an amateur blogger, and I write about software, travel, and whatever sparks my curiosity. That's why I created this blog — to share the things I explore and discover.

481 Posts
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Posts by Osman Aras

481 posts
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Node.js

How to Handle Request Timeouts

Handle HTTP request timeouts in Node.js using AbortController, setTimeout, and library-specific timeout options. Prevent...
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Node.js

How to Make HTTP Requests with Axios

Make HTTP requests in Node.js using Axios library. Popular HTTP client with interceptors, automatic JSON parsing, and co...
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Node.js

How to Make HTTP Requests with Built-in fetch()

Use Node.js built-in fetch() API for HTTP requests. Modern alternative to axios and request libraries with native Promis...
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Node.js

How to Handle Async Errors in Express Routes

Properly handle async/await errors in Express.js routes. Prevent unhandled promise rejections and create centralized err...
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Python

How to Merge DataFrames with Different Join Types

Master pandas' merge operations to combine datasets like a database pro - inner, outer, left, and right joins explained...
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Python

How to Group Data with groupby() and agg()

Transform raw data into actionable insights with pandas' powerful groupby operations - your gateway to advanced data agg...
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Python

How to Use loc vs iloc for Data Selection

Master pandas' most powerful data selection tools - loc for label-based selection and iloc for position-based indexing.
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Python

How to Handle Missing Data with fillna() and dropna()

Transform messy datasets into analysis-ready data with pandas' powerful missing data handling functions - your data clea...
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Python

How to Read CSV Files with Custom Separators

Master pandas' flexible CSV reading capabilities to handle any delimiter, from semicolons to tabs to custom characters.
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Python

How to Use NumPy Universal Functions (ufuncs)

Unlock NumPy's secret weapon - universal functions that apply operations element-wise at C speed across any array shape.
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Python

How to Use NumPy Masked Arrays

Handle missing, invalid, or unwanted data elegantly with NumPy's masked arrays - your solution for robust data analysis...
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Python

Python Function Factories and Parameterized Decorators: Advanced Design Patterns

Master Python function factories and parameterized decorators! Learn advanced patterns for creating dynamic functions, c...
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Python

Python typing.Callable: Complete Guide to Function Type Hints

Master Python typing.Callable for function type hints! Learn to type functions, callbacks, decorators, and higher-order...
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Python

How to Perform Matrix Operations with NumPy

Execute lightning-fast matrix operations with NumPy's optimized linear algebra functions - from basic multiplication to...
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Python

How to Use NumPy where() for Conditional Selection

Master NumPy's where() function to efficiently select and replace array elements based on conditions - your conditional...
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