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MongoDB Many-to-Many Association
...isher/book example in the docs). In this case it works fine and would only complicate things if you create separate user-role documents.
– diederikh
Feb 1 '15 at 20:22
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Why doesn't the example compile, aka how does (co-, contra-, and in-) variance work?
... be obvious, this is bad news. Java's type system actually allows this at compile time. The JVM will "helpfully" throw an ArrayStoreException at runtime. Scala's type system prevents this problem because the type parameter on the Array class is invariant (declaration is [A] rather than [+A]).
No...
How to create a custom attribute in C#
...mportant that you understand what attributes are:
Attributes are metadata compiled into your program. Attributes themselves do not add any functionality to a class, property or module - just data. However, using reflection, one can leverage those attributes in order to create functionality.
So, fo...
Node.js / Express.js - How does app.router work?
... you define a route (which is why your routes still worked even though you commented out app.use(app.router)).
A commenter has brought up another point about the order of static and router that I hadn't addressed: the impact on your app's overall performance.
Another reason to use router above stat...
Is leaked memory freed up when the program exits?
...: DOES the OS keep track of all allocations? Any heap memory you allocate comes from the virtual memory space of the process - when the process terminates, that space is given back to the system wholesale, right? I don't see why the extra bookkeeping would be necessary, since the process making th...
How to generate random SHA1 hash to use as ID in node.js?
... edited May 23 '17 at 12:10
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answered Feb 23 '12 at 6:28
Gabi PurcaruGabi Pur...
Breaking up long strings on multiple lines in Ruby without stripping newlines
... I also like Emily's solution. But for some reason I'm more comfortable with this one because leading white-spaces on the following lines can be indented without second-guessing oneself.
– Amin Ariana
Mar 19 '13 at 16:40
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List of Delphi language features and version in which they were introduced/deprecated
...r macOS 64-bit
Support for Android 64-bit
Delphi 10.3
The 64-bit Linux compiler no longer uses ARC, it instead uses the default manual managed, which is the same as in the Windows compiler. This makes porting code from Windows or OSX to linux much easier.
Inline variables with automatic type inf...
C++ map access discards qualifiers (const)
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How to include (source) R script in other scripts
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