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How do you produce a .d.ts “typings” definition file from an existing JavaScript library?

...initelyTyped/DefinitelyTyped) first. This is a community repo full of literally thousands of .d.ts files and it's very likely the thing you're using is already there. You should also check TypeSearch (https://microsoft.github.io/TypeSearch/) which is a search engine for NPM-published .d.ts files; th...
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Django dynamic model fields

...rks) This solution is based on Entity Attribute Value data model, essentially, it uses several tables to store dynamic attributes of objects. Great parts about this solution is that it: uses several pure and simple Django models to represent dynamic fields, which makes it simple to understand an...
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What is the fastest way to check if a class has a function defined?

... also returns True if connection has an attribute connection.invert_opt = 'foo'. – Robert Hönig Nov 13 '17 at 12:47 add a comment  |  ...
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Why does @foo.setter in Python not work for me?

So, I'm playing with decorators in Python 2.6, and I'm having some trouble getting them to work. Here is my class file: 4 A...
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How to perform case-insensitive sorting in JavaScript?

... Do mind that localeCompare's advanced options are not yet supported on all platforms/browsers. I know they are not used in this example, but just wanted to add for clarity. See MDN for more info – Ayame__ Jan 9 '14 at 15:05 ...
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Creating anonymous objects in php

... This is interesting but it doesn't really address the question, as the OP was asking about a convenient way to initialise an object with various members without creating a class. I am not sure whether anonymous classes in php can be used to do that, and if it ca...
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How do I provide custom cast support for my class?

...ou want users to have to cast it or whether you want it to happen automagically. Generally, one direction will always work, that's where you use implicit, and the other direction can sometimes fail, that's where you use explicit. The syntax is like this: public static implicit operator dbInt64(Byt...
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How do you specify that a class property is an integer?

... only has the concept of a number, which has a floating point. Philosophically, the amount of work the compiler would have to do to enforce only whole numbers for a TypeScript int type could potentially be massive and in some cases it would still not be possible to ensure at compile time that only ...
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How do I create a copy of an object in PHP?

...ass by reference is a bad idea, because it makes the effect of a function call depend on the implementation of the function, rather than on the specification. It's got nothing to do with pass by value being the default. – Oswald Oct 4 '13 at 7:06 ...
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When should the volatile keyword be used in C#?

...ors and making them synchronize main memory with their caches". Actually, that last bit is a lie. The true semantics of volatile reads and writes are considerably more complex than I've outlined here; in fact they do not actually guarantee that every processor stops what it is doing and...