Solidity Function Calls – Positional vs Named Arguments

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In this article, we’ll entertain ourselves by learning about an interesting topic: positional and named function calls in Solidity. It’s part of our long-standing tradition to make this (and other) articles a faithful companion and supplement to the official Solidity documentation. Function Parameters and Arguments So far, we’ve learned about internal and external function calls, … Read more

Python | Split String After Delimiter

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Summary: You can use one of the following methods to split a string after the delimiter – Minimal Example Problem Formulation  📜Problem: Given a string; How will you split the string after the delimiter? The output must only contain the substring after the delimiter. Example Let’s visualize the problem with the help of an example: … Read more

3 Easy Habits That Can Make You Rich as a Freelance Coder

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In this article, I’ll show you three simple habits to get way more done, have a much easier and stress-free life, and make more money. Almost guaranteed. Based on science! But there’s a catch: these habits are often tough to implement for employees. I know because I have been there and done that. When I finally created … Read more

Python | Split String Before Delimiter

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Summary: You can use one of the following methods to split a string before the delimiter – Minimal Example Problem Formulation  📜Problem: Given a string; How will you split the string before the delimiter? The output must only contain the substring before the delimiter. Example Let’s visualize the problem with the help of an example: … Read more

Python | Split String Except Quotes

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⭐Summary: Use shlex.split(text) to split the given string using a delimiter except at quotes. You can strip away the remaining comma characters like so: [x.strip(‘,’) for x in shlex.split(text)] Minimal Example Problem Formulation ⚡Problem: Given a string in Python. How will you split the string using a certain delimiter except when the delimiter occurs within … Read more

Python | Split String Empty Separator

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Summary: You can split a string using an empty separator using – (i) list constructor (ii) map+lambda (iii) regex (iv) list comprehension Minimal Example: Problem Formulation 📜Problem: How to split a string using an empty string as a separator? Example: Consider the following snippet – Output: Expected Output: So, this essentially means that when you … Read more

Python | Split String and Convert to Dictionary

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Summary: Use a list comprehension to split the given string twice, which returns a list of lists wherein each inner list contains the key-value pairs as individual items. Convert this nested list to a dictionary using the dict constructor. Minimal Example: Problem Formulation Problem: Given a string; How will you split the string using a … Read more

How to Write to a Binary File in Python?

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Problem Formulation 💬 Question: Given a binary string in your Python script, such as b’this is a binary string’. How to write the binary string to a file in Python? For example, you may have tried a code snippet like this that will not work with file.write(): Because this yields a TypeError: Traceback (most recent … Read more

How to Write a Hex String as Binary Data & Binary File in Python?

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Hex String as Binary Data To convert a hex string such as ‘FF0001AF’ to binary data, use the binascii.unhexlify(hex_str) function that returns the binary data represented by the hexadecimal string. Note that this converts two hex string digits to one byte, i.e., hex string ‘F0’ is converted to the byte representation 11110000, or in binary … Read more