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Java Enum definition
... to derive from an enum which itself has the same type argument. How can this happen? By making the type argument the new type itself. So if I've got an enum called StatusCode, it would be equivalent to:
public class StatusCode extends Enum<StatusCode>
Now if you check the constraints, we'v...
Difference between java.util.Random and java.security.SecureRandom
...JDK 7u2), from a comment on the method protected int next(int bits), which is the one that generates the random values:
This is a linear congruential pseudorandom number generator, as
defined by D. H. Lehmer and described by Donald E. Knuth in
The Art of Computer Programming, Volume 3:
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WatiN or Selenium? [closed]
... as version 1.3.0 offers for automating IE.
So no concerns there.
Hope this helps in making your choice
Jeroen van Menen
Lead dev WatiN
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Maximum number of records in a MySQL database table
What is the upper limit of records for MySQL database table. I'm wondering about autoincrement field. What would happen if I add milions of records? How to handle this kind of situations?
Thx!
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What does map(&:name) mean in Ruby?
I found this code in a RailsCast :
16 Answers
16
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How do I copy folder with files to another folder in Unix/Linux? [closed]
I am having some issues to copy a folder with files in that folder into another folder. Command cp -r doesn't copy files in the folder.
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SQL Server String or binary data would be truncated
...tions for the source and destination tables for us to figure out where the issue is but the bottom line is that one of your columns in the source table is bigger than your destination columns. It could be that you are changing formats in a way you were not aware of. The database model you are movi...
How to “return an object” in C++?
...RVO, and in C++0x move-semantics. In most cases in C++03, an out parameter is just a good way to make your code ugly, and in C++0x you'd actually be hurting yourself by using an out parameter.
Just write clean code, return by value. If performance is a problem, profile it (stop guessing), and find ...
Solutions for distributing HTML5 applications as desktop applications? [closed]
What are some solutions for distributing an HTML5 based desktop application?
16 Answers
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Why is Java's boolean primitive size not defined?
The Java Virtual Machine Specification says that there is limited support for boolean primitive types.
7 Answers
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