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Can I update a component's props in React.js?

... with React.js, it seems like props are intended to be static (passed in from the parent component), while state changes based upon events. However, I noticed in the docs a reference to componentWillReceiveProps , which specifically includes this example: ...
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Saving image from PHP URL

I need to save an image from a PHP URL to my PC. Let's say I have a page, http://example.com/image.php , holding a single "flower" image, nothing else. How can I save this image from the URL with a new name (using PHP)? ...
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When should I use RequestFactory vs GWT-RPC?

... I went through a transition from RPC to RF. First I have to say my experience is limited in that, I used as many EntityProxies as 0. Advantages of GWT RPC: It's very easy to set-up, understand and to LEARN! Same class-based objects are used on the c...
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How to percent-encode URL parameters in Python?

... Python 2 From the docs: urllib.quote(string[, safe]) Replace special characters in string using the %xx escape. Letters, digits, and the characters '_.-' are never quoted. By default, this function is intended for quotin...
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Using LINQ to remove elements from a List

...would just change the value of authorsList instead of removing the authors from the previous collection. Alternatively, you can use RemoveAll: authorsList.RemoveAll(x => x.FirstName == "Bob"); If you really need to do it based on another collection, I'd use a HashSet, RemoveAll and Contains: ...
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What are free monads?

...if X is a Y with some extra stuff P, then a "free X" is a a way of getting from a Y to an X without gaining anything extra. Examples: a monoid (X) is a set (Y) with extra structure (P) that basically says it has an operation (you can think of addition) and some identity (like zero). So class Mono...
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How to get the filename without the extension from a path in Python?

How to get the filename without the extension from a path in Python? 23 Answers 23 ...
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How to create enum like type in TypeScript?

... The enum and its member naming conventions is the same as in c#. (both from Microsoft). It's PascalCase. Not UPPER_CASE. – Dominik Nov 13 '19 at 14:41 add a comment ...
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Simple C example of doing an HTTP POST and consuming the response

...ived); if (bytes < 0) error("ERROR reading response from socket"); if (bytes == 0) break; received+=bytes; } while (received < total); if (received == total) error("ERROR storing complete response from socket"); /* close the...
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Cannot make a static reference to the non-static method

...language application in Java. Getting an error when inserting String value from R.string resource XML file: 7 Answers ...