What does \x00 mean in binary file?

An ASCII file might be read or interpreted as having NULL-terminated strings, carriage returns & line-feeds, or other control characters, that are intended to be read and acted on. For example, a text reader might look for a line of text, where a line is “however many characters you see before you get to a … Read more

Download a single folder or directory from a GitHub repo

Update Apr. 2021: there are a few tools created by the community that can do this for you: Download Directory (Credits to fregante) It has also been integrated into the excellent Refined Github chrome extension as a button in the Github web UI. GitZip (Credits to Kino – see his answer here) DownGit (Credits to Minhas Kamal – see his answer here) Note: if you’re trying to download a … Read more

How do I save a String to a text file using Java?

If you’re simply outputting text, rather than any binary data, the following will work: Then, write your String to it, just like you would to any output stream: You’ll need exception handling, as ever. Be sure to call out.close() when you’ve finished writing. If you are using Java 7 or later, you can use the “try-with-resources statement” … Read more

Fastest way to check if a file exist using standard C++/C++11,14,17/C?

Well I threw together a test program that ran each of these methods 100,000 times, half on files that existed and half on files that didn’t. Results for total time to run the 100,000 calls averaged over 5 runs, Method Time exists_test0 (ifstream) 0.485s exists_test1 (FILE fopen) 0.302s exists_test2 (posix access()) 0.202s exists_test3 (posix stat()) 0.134s The stat() function provided the … Read more

Python -How to solve OSError: [Errno 22] Invalid argument

Your issue is with backslashing characters like \T : Try: Python uses \ to denote special characters. Therefore, the string you provided does not actually truly represent the correct filepath, since Python will interpret \Tanishq\ differently than the raw string itself. This is we we place the r in front of it. This lets Python know that we do indeed want to use … Read more

Call a function from another file?

There isn’t any need to add file.py while importing. Just write from file import function, and then call the function using function(a, b). The reason why this may not work, is because file is one of Python’s core modules, so I suggest you change the name of your file. Note that if you’re trying to import functions from a.py to a file called b.py, … Read more