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ExpressJS How to structure an application?
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OK, it's been a while and this is a popular question, so I've gone ahead and created a scaffolding github repository with JavaScript code and a long README about how I like to structure a medium-sized express.js application.
focusaurus/express_code_str...
Why there is no ConcurrentHashSet against ConcurrentHashMap
HashSet is based on HashMap.
9 Answers
9
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How to concatenate a std::string and an int?
I thought this would be really simple but it's presenting some difficulties. If I have
23 Answers
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HEAD and ORIG_HEAD in Git
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HEAD is (direct or indirect, i.e. symbolic) reference to the current commit. It is a commit that you have checked in the working directory (unless you made some changes, or equivalent), and it is a commit on top of which "git comm...
Pseudo-terminal will not be allocated because stdin is not a terminal
...h -t -t(or ssh -tt for short) to force pseudo-tty allocation even if stdin isn't a terminal.
See also: Terminating SSH session executed by bash script
From ssh manpage:
-T Disable pseudo-tty allocation.
-t Force pseudo-tty allocation. This can be used to execute arbitrary
scr...
When to use in vs ref vs out
... shows the reader of the declaration or the call whether the initial value is relevant (and potentially preserved), or thrown away.
As a minor difference, an out parameter needs not be initialized.
Example for out:
string a, b;
person.GetBothNames(out a, out b);
where GetBothNames is a method t...
Why don't Java's +=, -=, *=, /= compound assignment operators require casting?
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As always with these questions, the JLS holds the answer. In this case §15.26.2 Compound Assignment Operators. An extract:
A compound assignment expression of the form E1 op= E2 is equivalent to E1 = (T)((E1) op (E2)), where T is the type of E1, except that E1 is evaluated onl...
Should import statements always be at the top of a module?
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Module importing is quite fast, but not instant. This means that:
Putting the imports at the top of the module is fine, because it's a trivial cost that's only paid once.
Putting the imports within a function will cause calls to that functi...
Why does C++ not allow inherited friendship?
Why is friendship not at least optionally inheritable in C++? I understand transitivity and reflexivity being forbidden for obvious reasons (I say this only to head off simple FAQ quote answers), but the lack of something along the lines of virtual friend class Foo; puzzles me. Does anyone know ...
Hidden Features of JavaScript? [closed]
...rray.prototype.slice.call(arguments);" )
– Jacob Mattison
Jan 26 '09 at 21:37
51
It's also worth ...