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JSON Array iteration in Android/Java
...of JSONArray iterable, meaning that the for (Object foo : bar) syntax will now work with it (note that foo has to be an Object, because JSONArrays do not have a declared type). All this works because the JSONArray class is backed by a simple ArrayList, which is already iterable. I imagine that other...
Is volatile expensive?
...e of this and actually share the cached reference to the requesting CPU - now the request CPU has a copy of that memory in its CPU cache. (It never had to look in main memory for the reference)
There is quite a bit more of protocol involved but this gives an idea of what is going on. Also to answ...
Where does Scala look for implicits?
...reth, which I heartily recommend to anyone wanting to improve their Scala knowledge. It has been complemented since then with feedback and updates.
The implicits available under number 1 below has precedence over the ones under number 2. Other than that, if there are several eligible arguments whic...
Evaluating string “3*(4+2)” yield int 18 [duplicate]
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.NET Core now supports DataTable: blogs.msdn.microsoft.com/devfish/2017/05/15/…
– Piedone
Jun 3 '17 at 15:20
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Difference between Mock / Stub / Spy in Spock test framework
...nd/or results or blocking the original methods from being called at all.
Now here is an executable example test, demonstrating what is possible and what is not. It is a bit more instructive than mikhail's snippets. Many thanks to him for inspiring me to improve my own answer! :-)
package de.scrum...
What's the best/easiest GUI Library for Ruby? [closed]
...y Shoes (by why) is intended to be a really simple GUI framework. I don't know how fully featured it is, though.
Some good code samples can be found in the tutorials.
Also, I think shoes powers hackety hack, a compelling programming learning environment for youngsters.
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Convert boolean result into number/integer
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Interestingly, the ternary is now fastest in Chrome 64.0.3282 on macOS 10.13.3.
– 2540625
Feb 13 '18 at 23:49
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How can I show ellipses on my TextView if it is greater than the 1 line?
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@grebulon It is deprecated. At least now.
– Spikatrix
Jun 17 '18 at 8:07
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How to handle both a single item and an array for the same property using JSON.net
...g> and mark it with a [JsonConverter] attribute so that JSON.Net will know to use the custom converter for that property. I would also recommend using [JsonProperty] attributes so that the member properties can be given meaningful names independent of what is defined in the JSON.
class Item
{
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What are the differences between the threading and multiprocessing modules?
...rom threading, even if you don't have any shared data, but ignore that for now.)
There are exceptions to this. If your code's heavy computation doesn't actually happen in Python, but in some library with custom C code that does proper GIL handling, like a numpy app, you will get the expected perfor...