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Immutable array in Java
...st for the sake of emphasizing the difference between the result of asList and normal ArrayList
– NIA
Feb 16 '16 at 13:39
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Adding external library into Qt Creator project
...ave to separate the directory from the library name (without the extension and without any 'lib' prefix). Of course, if you are including a Windows specific lib, this really doesn't matter.
In case you want to store your lib files in the project directory, you can reference them with the $$_PRO_FIL...
Can I use require(“path”).join to safely concatenate urls?
...'http://example.com/one', '/two') // 'http://example.com/two'
Edit:
As Andreas correctly points out in a comment, url.resolve would only help if the problem is as simple as the example. url.parse also applies to this question because it returns consistently and predictably formatted fields via ...
What's the syntax for mod in java
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Careful with the terms mod and modular because n (mod m) IS ALWAYS >= 0 but not n % m. n % m is in the range > -m and < m. Although Java has a remainder operator for int and long types, it has no modulus function or operator. I.e., -12 % 10 = ...
MongoDB and “joins” [duplicate]
...ll only be evaluated when needed. A join (in a SQL database) on the other hand will resolve relationships and return them as if they were a single table (you "join two tables into one").
You can read more about DBRef here:
http://docs.mongodb.org/manual/applications/database-references/
There are ...
Why does calling a method in my derived class call the base class method?
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There's a difference between new and virtual/override.
You can imagine, that a class, when instantiated, is nothing more than a table of pointers, pointing to the actual implementation of its methods. The following image should visualize this pretty well:
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Is there a way to suppress warnings in Xcode?
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To disable warnings on a per-file basis, using Xcode 3 and llvm-gcc-4.2 you can use:
#pragma GCC diagnostic ignored "-Wwarning-flag"
Where warning name is some gcc warning flag.
This overrides any warning flags on the command line. It doesn't work with all warnings though. ...
What's the best way to convert a number to a string in JavaScript? [closed]
...he only conceivable: the number does not care nor know how it was entered, and the standard printed representation is with exactly one digit before the dot.
– Svante
Sep 2 '15 at 18:32
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How do I get the size of a java.sql.ResultSet?
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last() and getRow() aren't static methods in the ResultSet class.
– JeeBee
Oct 10 '08 at 16:21
70
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How to determine a user's IP address in node
... this call:
request.connection.remoteAddress
See documentation for http and net
EDIT
As @juand points out in the comments, the correct method to get the remote IP, if the server is behind a proxy, is request.headers['x-forwarded-for']
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