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How good is Java's UUID.randomUUID?
I know that randomized UUIDs have a very, very, very low probability for collision in theory, but I am wondering, in practice, how good Java's randomUUID() is in terms of not having collision? Does anybody have any experience to share?
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JavaScript variables declare outside or inside loop?
... does not have block scope like many other C-like languages.
That is also known as lexical scope.
If you declare something like
var foo = function(){
for(var i = 0; i < 10; i++){
}
};
This gets hoisted to:
var foo = function(){
var i;
for(i = 0; i < 10; i++){
}
}
So ...
How do I set up IntelliJ IDEA for Android applications?
... C:\Program Files\Android\android-sdk-windows.
Choose the android version.
Now you can write your program.
Compiling:
Near the Run button you need to select the drop-down-list, choose Edit Configurations
In the Prefer Android Virtual device select the ... button
Click on create, give it a name...
What is the best way to stop people hacking the PHP-based highscore table of a Flash game
...you publish a Flash game, you're publishing your source code, whether you know it or not.
Attackers control the runtime memory of the Flash interpreter, so that anyone who knows how to use a programmable debugger can alter any variable (including the current score) at any time, or alter the program ...
Scala 2.8 breakOut
... happens, the types From, T and To have already been inferred, because we know that map is expecting CanBuildFrom[List[String], (Int, String), Map[Int, String]]. Therefore:
From = List[String]
T = (Int, String)
To = Map[Int, String]
To conclude let's examine the implicit received by breakOut itse...
How can I use Homebrew to install both Python 2 and 3 on Mac?
...ing Homebrew as I don't want to mess with path and get into trouble.
Right now I have 2.7 installed through Homebrew.
9 Ans...
Main differences between SOAP and RESTful web services in Java [duplicate]
For now I have a slight idea about the differences between SOAP and RESTful services.
11 Answers
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What is this crazy C++11 syntax ==> struct : bar {} foo {};?
...ming instance to foo, we're left with:
struct {} foo;
Getting close.
Now, what if this anonymous UDT were to derive from some base?
struct bar {}; // base UDT
struct : bar {} foo; // anonymous derived UDT, and instance thereof
Finally, C++11 introduces extended initialisers, such th...
What is the difference between char, nchar, varchar, and nvarchar in SQL Server?
...is helps someone out there because I was struggling with it for a bit just now!
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What does “not run” mean in R help pages?
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... how did I not know about this function?
– Matt Parker
Sep 21 '09 at 14:41
5
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