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Why use Abstract Base Classes in Python?
...nstance and issubclass. (__subclasshook__ is basically a friendlier API on top of Python's __instancecheck__ and __subclasscheck__ hooks.) Adapting built-in constructs to work on custom types is very much part of Python's philosophy.
Python's source code is exemplary. Here is how collections.Contai...
Synchronise ScrollView scroll positions - android
...=10 and leave at Y=30 and then fling velocity takes it to Y = 50 and then stops. So onscrollchanged only registers-perhaps 10, 11, 12..30 and then 49, 50.How can I make it register all the intermediate locations as well and get all the coordinates from 10 to 50??
– alchemist
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Use find command but exclude files in two directories
...-type f. Not sure how to exclude multiple directories. This also lists the top level excluded directory even though type is specified. Excluding via Grep seems more straightforward unless you want to use prune to speed up the find operation.
– Mohnish
Sep 29 '1...
Mark error in form using Bootstrap
...omplicated, so the easy way would be to just put an bootstrap alert at the top with details of what the user did wrong.
http://twitter.github.com/bootstrap/components.html#alerts
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How to pull remote branch from somebody else's repo
...avoided the "fatal: Couldn't find remote ref" error I was getting with the top-voted answer. Thanks!
– Michael Romrell
Nov 4 '19 at 18:58
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Prepend a level to a pandas MultiIndex
... other answers:
The new level can be added at any location, not just the top.
It is purely a manipulation on the index and doesn't require manipulating the data, like the concatenation trick.
It doesn't require adding a column as an intermediate step, which can break multi-level column indexes.
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Why does pylint object to single character variable names?
...;
So, pylint will match PEP8 and will not bring additional violations on top. Also you can add it to .pylintrc.
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What components are MVC in JSF MVC framework?
... showLowRepImageUploadWarning: true,
reputationToPostImages: 10,
bindNavPrevention: true,
postfix: "",
imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg cla...
Rebase a single Git commit
...eshot are not commited outside local repo. Just create several branches on top of master (log level, database connection, configuration) and use command between them. Is plain to see the effect.
– albfan
Oct 30 '16 at 22:46
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What are the pros and cons of performing calculations in sql vs. in your application
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If you are writing on top of ORM or writing casual low-performance applications, use whatever pattern simplifies the application. If you are writing a high performance application and thinking carefully about scale, you will win by moving processi...