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How to securely save username/password (local)?
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Why are there two kinds of functions in Elixir?
...d in elixir, it is just this extra dot, whereas in ruby you have blocks on top of this. Blocks are amazing and I am surprised how much you can do with just blocks, but they only work when you need just one anonymous function which is the last argument. Then since you should be able to deal with othe...
What does @@variable mean in Ruby?
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Why do we need boxing and unboxing in C#?
... Stack is both simple and fast. As variables are added they just go one on top of another, so the first you declare sits at say, 0x00, the next at 0x01, the next at 0x02 in RAM, etc. In addition, variables are often pre-addressed at compile-time, so their address is known before you even run the pro...
How ListView's recycling mechanism works
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What are MVP and MVC and what is the difference?
...Presenter and user have direct access to the View.
– Top-Master
Sep 29 '19 at 11:50
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How to return a string value from a Bash function
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It is my hope that this percolates to the top. eval should be a last resort. Worthy of mention is that nameref variables are only available since bash 4.3 (according to the changelog ) (released in feb 2014[?]). This is important if portability is a concern. Please c...
MongoDB: Combine data from multiple collections into one..how?
...p/reduce (see http://www.mongodb.org/display/DOCS/MapReduce#MapReduce-Outputoptions). You need to have some key in both collections that you can use as an _id.
For example, let's say you have a users collection and a comments collection and you want to have a new collection that has some user demo...
Swift and mutating struct
... solution is avoiding mutable stuffs, and then immutable by default was on top of wish list for decades in C/C++ family languages and its derivations.
See purely functional style for more details. Anyway, we still need mutable stuffs because immutable stuffs have some weaknesses, and discussing abo...
Clang vs GCC for my Linux Development project
... ^
/tmp/webcompile/_25327_1.cc:9:13: error: expected ';' after top level declarator
std::ostream& operator<<(std::ostream& out, Student const& s) {
^
;
2 errors generated.
I purposefully choose an example which triggers an unclear error message...