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What we want to recommend here is an online tool that also supports the execution of Python code, an online Python code editor

My extension has been released to the Google Web Store. The extension realizes one-click copying of CSDN code without logging in.

I have studied captcha identification before, and found a captcha identification service provider 2Captcha, and tried their service, the effect is very good.

Regular expression to extract new lines of code in git commits.

When we log in to the website, we often see verification codes. The purpose of verification codes is to prevent machine logins and automate script operations. Is there a way for scripts to automatically identify verification codes to achieve login?

When we use Python to develop, we usually use some useful third-party libraries. It is recommended to use pip to install. Under normal circumstances, there is no problem, but some small partners will encounter installation failures such as pip installation of third-party libraries and errors, pip install stuck and other installation failures.

LeetCode problem solving notes. Given an integer array nums of length n where all the integers of nums are in the range [1, n] and each integer appears once or twice, return an array of all the integers that appears twice.

The Event Bus is usually used as a communication mechanism between multiple modules, which is equivalent to an event bus. One module sends messages, and other modules receive messages, which achieves the function of communication.

Given the total number of players n, and a two-dimensional array relation formed by the relation [player number, corresponding to passable player number]. Returns the number of solutions in which information is passed from small A (number 0 ) to the small partner numbered n-1 through k rounds.

Learn how to calculate time complexity and space complexity in simple scenarios