JSON Naming Convention (snake_case, camelCase or PascalCase)
snake_case or camelCase: Lean on where the business logic resides. Take advantage of the extrinsic style of Java. PHP » JSON » back‑end JavaScript: snake_case or camelCase: Lean on where the business logic resides. PHP » JSON » front‑end JavaScript: snake_case: Screw the front-end anyway: PHP » JSON » you do not know: snake_case
python - How do you round UP a number? - Stack Overflow
2017年5月5日 · Nice! I've always used (num + den - 1) // den, which is fine for int inputs with positive denominators, but fails if even a single non-integral float is involved (either numerator or denominator); this is more magical looking, but works for both ints and floats.
What does the C++ standard say about the size of int, long?
@thyrgle It's actually pretty difficult to standardize something like this. Unlike Java, where these things are constant because of the way the JVM works, C/C++ essentially have to stick to the system that they are ran onto without any fancy-pancy abstraction layers (at least not as many as with Java) in-between.
What is a NullReferenceException, and how do I fix it?
Ways to Avoid Explicitly check for null and ignore null values.. If you expect the reference sometimes to be null, you can check for it being null before accessing instance members:
What is a NullPointerException, and how do I fix it?
NullPointerExceptions are exceptions that occur when you try to use a reference that points to no location in memory (null) as though it were referencing an object.
"cannot access local variable 'a' where it is not associated with a ...
2022年11月12日 · Python variables are scope based. This means one cannot access a value declared inside a function. But you can access a variable declared outside a function.
How to use a global variable in a function? - Stack Overflow
You may want to explore the notion of namespaces.In Python, the module is the natural place for global data:. Each module has its own private symbol table, which is used as the global symbol table by all functions defined in the module.
python - What is print (f"...") - Stack Overflow
2019年7月22日 · In Python 3.6, the f-string, formatted string literal, was introduced().In short, it is a way to format your string that is more readable and fast.
How to resolve "git pull,fatal: unable to access 'https://github.com ...
It's failed when I used Git command "git pull" to update my repository, messages as below: fatal: unable to access '...': Empty reply from server. And the I tried to use the GitHub App, but alert...
android - How to access /storage/emulated/0/ - Stack Overflow
2015年7月14日 · I have written a code to record audio and save it to below file location. private String getFilename() { String filepath = Environment.getExternalStorageDirectory().getPath(); File file = ...