- Python has two functions .join() and os.path.join(), which do the following： . join()： Concatenate string arrays. Concatenates the elements of a string, a tuple, and a list with the specified characters (separator) to generate a new string os.path.join()
- Adding new content to a dictionary is done by adding new key/value pairs, modifying or deleting existing key/value pairs as in the following examples
- clear() method is used to clear all the data in the dictionary, because it is an in-place operation, so it returns None (also can be interpreted as no return value)
- Cookie, refers to the data (usually encrypted) that some websites store on the user's local terminal in order to identify the user and perform session tracking. For example, some websites require login to access a page, before login, you want to grab the
- When you think of reverse proxies, you say nginx. nginx is the ideal reverse proxy tool. But now the conditions are tough. The server doesn't have nginx and doesn't have root privileges, which means you can't compile and install nginx, and only one port,
- Each frame of the video is a picture, tracking an object in the video, decomposition down, in fact, is to find that object in each frame of the picture.
- Learn to read and edit pixel values, use image ROI and other basic operations. The four main points are as follows： Accessing pixel values and modifying them Accessing image properties Set the region of interest (ROI) Splitting and merging images
- I've been learning OpenCV recently, and I'll attach the code that I can run directly here, so hopefully it will help people learning OpenCV. Content： Introduction to OpenCV Installation of OpenCV Image opening/saving Video/camera opening, frame opera
- I recently saw a Github project where the author wrote a script to automatically generate tiktok videos using Python, and it's getting a lot of buzz.
- Without interface flow limiting, it may lead to server load imbalance, brute force password cracking, malicious requests, extra server charges, denial of service attacks, etc. Therefore it is necessary to do a good job of interface flow limiting.