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Why are mutable structs “evil”?

...e around. If your struct is immutable then all automatic copies resulting from being passed by value will be the same. If you want to change it you have to consciously do it by creating a new instance of the struct with the modified data. (not a copy) ...
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Android: When should I use a Handler() and when should I use a Thread?

... doSomeWork(); if(succeed){ //we can't update the UI from here so we'll signal our handler and it will do it for us. h.sendEmptyMessage(0); }else{ h.sendEmptyMessage(1); } } }; In general though, the take home is that you should ...
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Entity Framework Provider type could not be loaded?

...d to test project you can ensure a static reference to SqlProviderServices from your Model/entity project. share | improve this answer | follow | ...
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Difference between “\n” and Environment.NewLine

... Depends on the platform. On Windows it is actually "\r\n". From MSDN: A string containing "\r\n" for non-Unix platforms, or a string containing "\n" for Unix platforms. share | ...
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How to enumerate an enum with String type?

... (with Xcode 10), just add protocol conformance to CaseIterable to benefit from allCases. To add this protocol conformance, you simply need to write somewhere: extension Suit: CaseIterable {} If the enum is your own, you may specify the conformance directly in the declaration: enum Suit: String, Ca...
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Repository Pattern vs DAL

...e services and the database it will take you down another. The repository from my perspective is just a clearly specified layer of access to data.Or in other words a standardized way to implement your Data Access Layer. There are some differences between different repository implementations, but th...
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What does “Content-type: application/json; charset=utf-8” really mean?

... charset=utf-8 in the message header. Without this header, I get an error from the service. I can also successfully use Content-type: application/json without the ;charset=utf-8 portion. ...
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How to use glyphicons in bootstrap 3.0

...nload a customized bootstrap 3 distro you must: Download the full distro from https://github.com/twbs/bootstrap/archive/v3.0.0.zip Uncompress and upload the entire folder called fonts to your bootstrap directory. Put together with the other folders "css, js". Example Before: \css \js index.ht...
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How do I create my own URL protocol? (e.g. so://…) [closed]

... how to call from explorer, what is the url – imp Jun 17 '14 at 10:27 ...
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How can I break up this long line in Python?

...joining is that it only works with string literals, not with strings taken from variables, so things can get a little more hairy when you refactor. Also, you can only interpolate formatting on the combined string as a whole. Alternatively, you can join explicitly using the concatenation operator (...