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What are metaclasses in Python?
...ass is an instance of a metaclass.
While in Python you can use arbitrary callables for metaclasses (like Jerub shows), the better approach is to make it an actual class itself. type is the usual metaclass in Python. type is itself a class, and it is its own type. You won't be able to recreate somet...
Clone private git repo with dockerfile
...e (not a Dockerfile) that contains environment variables, and have a shell script update your docker file at runtime. You keep tokens out of your Dockerfiles and you can clone over https (no need to generate or pass around ssh keys).
Go to Settings > Personal Access Tokens
Generate a personal ...
Should I use a class or dictionary?
...ould your __init__ code go?
Classes are for bundling related data (and usually code).
Dictionaries are for storing key-value relationships, where usually the keys are all of the same type, and all the values are also of one type. Occasionally they can be useful for bundling data when the key/attri...
Usage of __slots__?
What is the purpose of __slots__ in Python — especially with respect to when I would want to use it, and when not?
11 A...
Is Redis just a cache?
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Redis has unique abilities like ultra-fast lua-scripts. Its execution time equals to C commands execution. This also brings atomicity for sophisticated Redis data manipulation required for work many advanced objects like Locks and Semaphores.
There is a Redis based in me...
Git mergetool with Meld on Windows
...th one generated by compiling the meld.ahk file, using AHK2EXe (AutoHotKey script -> exe). Just download the script furthest down the page, as there have been a few version posted there.
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What is the difference between null and undefined in JavaScript?
... want to know what the difference is between null and undefined in JavaScript.
33 Answers
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How to enumerate an object's properties in Python?
...oes not return dynamic members (i.e., object attributes and methods dynamically defined by that object's __getattr__() method or similar magic). In all likelihood, your desired file.ImplementationName property is defined dynamically and hence not available to vars() or dir().
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Why is creating a new process more expensive on Windows than Linux?
...r kind of software that is seriously affected by this is any kind of shell scripting that involves the coordination of multiple processes. Bash scripting inside Cygwin, for instance, suffers greatly from it. Consider a shell loop that spawns a lot of sed, awk, and grep in pipelines. Every command sp...
What are some examples of commonly used practices for naming git branches? [closed]
... little confusing. If I get more specific in the names, with a separate description for each stage, then the branch names start to get long and unwieldy.
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