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Codidact's communities have a lot of great content that is helping people on the Internet. Our communities are small, though, and sustainable communities depend on having lots of active, engaged p...
Welcome to the Codidact site for Software Development! We're glad you're here and we're excited to see what you will build. This community is starting "from scratch", without importing Q&A fr...
Increase exposure One way of increasing our exposure is to use Codidact as a source when answering on other forums. As long as we are treating Codidact as any other source, there is absolutely not...
In Git documentation, there are lots of references to the term "HEAD". But what exactly is it? Some places refer to it as "a pointer to the current branch". So it's a branch? What is it used for?
The purpose of a cryptographic salt is to make the same input (password) hash to different values in different instances, yet retain the hash function's deterministic properties. Salting accomplish...
First, we need to understand what a Git repository actually is. For that, refer to this article: it explains that a Git repository is actually a DAG (Directed Acyclic Graph). I'm not going into the...
First, let's see how Zalgo Text works. Unicode Combining Characters Unicode defines the concept of combining characters. Basically, some characters can be combined with others, to "make/create"...
It makes difference if the script is being imported. Let's suppose I have a file my_file.py: # my_file.py def some_function(): print('do some stuff') print('calling function:') some_fun...
The C standard does not speak of "errors" and "warnings", those are not formal terms. The compiler is only required to produce a diagnostic message, as specified in C11 5.1.1.3: Diagnostics A c...
So it appears that we've gotten our first "company tag", Apple. We know from SO that company name tags were always problematic since: Questions are about products, not companies. Given that the pr...
To protect against dictionary and rainbow table attacks it is well known that passwords should be salted before hashing. The salt (unique to each password) gets stored with the hash, often in the s...
It's not a matter of order; Python simply does not directly allow else clauses as part of list comprehensions (docs). When we use [num if num != 11 else 22 for num in hand] We are actually usin...
There are multiple reasons why using images of code, errors, logs and other text resources used in programming instead of the actual text is strongly discouraged. Shortly put, the question should ...
By having decent source code formatting that isn't completely inferior to other sites like Stack Overflow. We might want to post/view snippets longer than 13 lines without suffering some scroll whe...
The C language has gone through many iterations and the latest one not yet released is informally called "C23", supposedly because they hoped to release it in 2023. The latest draft version N3096 i...
Whenever registering to diverse sites on the net, you are often forced to enter a so called "strong password", which would ideally contain both upper case letters, lower case letters, digits, and s...
What exactly must a C compiler do when it finds a compile-time error? The most obvious kind of errors are language syntax errors, but the C standard also speaks of constraints, which are rules tha...
When writing Python-based apps (e.g. Django, Flask, etc.), it's often the case that import statements can be found all over the place, often more than once for the same module. For example, you can...
We got our first (mostly) ChatGPT answer in our community. Also, a question includes an adapted ChatGPT code that does not seem to do the job. StackOverflow has already banned ChatGPT answers and ...
I have noticed that virtually any question containing an image of some code or error got a comment asking to replace it with the actual code, error text. Why is it so bad to include an image inste...
I often see the construct if __name__ == '__main__' in Python code. For example, the queens.py demo in the Python repository ends with these two lines: if __name__ == "__main__": main() Ho...
Passwords are annoying. Nobody really enjoys passwords, which is why "The End of Passwords" articles keep circulating. I'm looking forward to the day the prediction comes true, but in the meantime ...
In light of another fiesta on a "competitor site", I poked my head in here again. Here's my twocents. When a ship starts going down, there's only three courses of action for every individual Fi...
The concept you are looking for is referred to as opaque type or opaque pointers. This is the proper method to achieve private encapsulation in C and can also be used for inheritance/polymorphism (...
I think a branch is a set of commits Well, technically no, it's not. But first things first. DAG (Directed Acyclic Graph) Personally, Git became much more easier to understand after I've r...
