Python 3.6 has added Flag and IntFlag which support the usual bit-wise operations. As a bonus, the resulting values from the bit-wise operations are still members of the original flag class, and are singletons [1]. The aenum library also has this addition and is usable back to Python 2.7. [1] A bug exists in 3.6.0: … Read more
>>> import collections >>> d = collections.defaultdict(int) >>> d defaultdict(<type ‘int’>, {}) It might behoove you to read about the import statement.
Go to ctrl-alt-s click “project:projet name” click project interperter double click pip search numpy from the top bar click on numpy click install package button if it doesnt work this can help you: https://www.jetbrains.com/help/pycharm/installing-uninstalling-and-upgrading-packages.html
The encoder/decoder example you reference (here) could be easily extended to allow different types of objects in the JSON input/output. However, if you just want a simple decoder to match your encoder (only having Edge objects encoded in your JSON file), use this decoder: class EdgeDecoder(json.JSONDecoder): def __init__(self, *args, **kwargs): json.JSONDecoder.__init__(self, object_hook=self.object_hook, *args, **kwargs) def … Read more
For many IDE’s now in 2022, the following will populate intellisense: class MyEnum(Enum): “”” MyEnum purpose and general doc string “”” VALUE = “Value” “”” This is the Value selection. Use this for Values “”” BUILD = “Build” “”” This is the Build selection. Use this for Buildings “”” Example in VSCode:
The error that you get when you try to run your code is: UnboundLocalError: local variable ‘a’ referenced before assignment … which, on the face of it, seems strange: after all, the first statement in the code above (a = 15) is an assignment. So, what’s going on? Actually, there are two distinct things happening, … Read more
When I go to the beautifulsoup 4.0 documentation, the first page has this information: (The BeautifulSoup package is probably not what you want. That’s the previous major release, Beautiful Soup 3. Lots of software uses BS3, so it’s still available, but if you’re writing new code you should install beautifulsoup4.)
Microsoft’s ODBC drivers for SQL Server do not use a PORT= parameter. The port number, if any, is appended to the server name/IP with a comma, e.g., SERVER=xxxTest-SRV,51333;
You can use the aioconsole third-party package to interact with stdin in an asyncio-friendly manner: line = await aioconsole.ainput(‘Is this your line? ‘)
Inspired by JPG’s answer, but using a pydantic model looked cleaner. You might want to expose more variables. This config worked good for me. from pydantic import BaseModel class LogConfig(BaseModel): “””Logging configuration to be set for the server””” LOGGER_NAME: str = “mycoolapp” LOG_FORMAT: str = “%(levelprefix)s | %(asctime)s | %(message)s” LOG_LEVEL: str = “DEBUG” # … Read more