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How do I get the different parts of a Flask request's url?
...://www.example.com/myapplication/
You can easily extract the host part with the appropriate splits.
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Reverse a string in Python
...gt;> 'hello world'[::-1]
'dlrow olleh'
This is extended slice syntax. It works by doing [begin:end:step] - by leaving begin and end off and specifying a step of -1, it reverses a string.
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module.exports vs exports in Node.js
...le
var func = require('./module.js');
// the following line will **work** with module.exports
func();
Basically node.js doesn't export the object that exports currently references, but exports the properties of what exports originally references. Although Node.js does export the object module.expo...
Can I load a UIImage from a URL?
I have a URL for an image (got it from UIImagePickerController) but I no longer have the image in memory (the URL was saved from a previous run of the app). Can I reload the UIImage from the URL again?
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Android: How to bind spinner to custom object list?
...pinner which contains some names (the names are visible) and each name has its own ID (the IDs are not equal to display sequence). When the user selects the name from the list the variable currentID has to be changed.
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Best practices for in-app database migration for Sqlite
I am using sqlite for my iphone and I anticipate the database schema might change over time. What are the gotchas, naming conventions and things to watch out for to do a successful migration each time?
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A better similarity ranking algorithm for variable length strings
I'm looking for a string similarity algorithm that yields better results on variable length strings than the ones that are usually suggested (levenshtein distance, soundex, etc).
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I ran into a merge conflict. How can I abort the merge?
I used git pull and had a merge conflict:
12 Answers
12
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How do I design a class in Python?
...ally awesome help on my previous questions for detecting paws and toes within a paw , but all these solutions only work for one measurement at a time.
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NSNotificationCenter addObserver in Swift
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It's the same as the Objective-C API, but uses Swift's syntax.
Swift 4.2 & Swift 5:
NotificationCenter.default.addObserver(
self,
selector: #selector(self.batteryLevelChanged),
name: UIDevice.batteryLevelDid...