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What does the JSLint error 'body of a for in should be wrapped in an if statement' mean?
...ethods. Lots of libraries do this.
However, let's look at how for in works now:
var listeners = ["a", "b", "c"];
for (o in listeners) {
console.log(o);
}
//prints:
// 0
// 1
// 2
// filter_0
Do you see? It suddenly thinks filter_0 is another array index. Of course, it is not really a nume...
What is an intuitive explanation of the Expectation Maximization technique? [closed]
...e could find the exact means if we wanted).
This is, generally speaking, known as maximum likelihood estimation. Given some data, we compute the value of a parameter (or parameters) that best explains that data.
Now imagine that we cannot see which value was sampled from which group. Everything lo...
Error during installing HAXM, VT-X not working
...re-assisted Virtualization" ("activer l'assistance a la virtualisation").
Now restart your computer and re-install the Intel's HAXM which can be found under ~SDK_LOCATION\extras\intel\Hardware_Accelerated_Execution_Manager. You can also manually download the standalone HAXM installer from Intel's w...
Hudson or Teamcity for continuous integration? [closed]
...
@Pavel: I don't know TeamCity as well as Hudson so I won't challenge the beginning of your comment. But, regarding the notifications, claiming that TC is more sophisticated is pure FUD in my not so humble opinion. All the mentioned notificati...
Get the time difference between two datetimes
I know I can do anything and some more envolving Dates with momentjs. But embarrassingly, I'm having a hard time trying to do something that seems simple: geting the difference between 2 times.
...
SecItemAdd and SecItemCopyMatching returns error code -34018 (errSecMissingEntitlement)
...wever, that doesn't actually appear to help. That means
that there's no known workaround at this time other than relaunching
the app.
The issue appears to be related to memory pressure, so perhaps being
more aggressive in handling memory warnings may alleviate the problem
https://forums...
How to use localization in C#
...
Console.WriteLine(Properties.strings.Hello);
It should print "Hello".
Now, add a new resource file, named "strings.fr.resx" (note the "fr" part; this one will contain resources in French). Add a string resource with the same name as in strings.resx, but with the value in French (Name="Hello", V...
What is Type-safe?
... Personally, I prefer to have my compiler tell me if I made that mistake.
Now, back to C#...
C# supports a language feature called covariance, this basically means that you can substitute a base type for a child type and not cause an error, for example:
public class Foo : Bar
{
}
Here, I cre...
Does ruby have real multithreading?
I know about the "cooperative" threading of ruby using green threads . How can I create real "OS-level" threads in my application in order to make use of multiple cpu cores for processing?
...
How do I pass a variable by reference?
...ight, but if you rebind the reference in the method, the outer scope will know nothing about it, and after you're done, the outer reference will still point at the original object.
If you pass an immutable object to a method, you still can't rebind the outer reference, and you can't even mutate the...