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In Scala how do I remove duplicates from a list?
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scala.collection.immutable.List now has a .distinct method.
So calling dirty.distinct is now possible without converting to a Set or Seq.
share
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improve ...
How do you convert a byte array to a hexadecimal string, and vice versa?
...t a String. String myValue = 10.ToString("X"); myValue is "A" not "0A". Now go read that string back into bytes, oops you broke it.
– 00jt
Jan 30 '13 at 19:25
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Multiple file upload in php
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I know this is an old post but some further explanation might be useful for someone trying to upload multiple files... Here is what you need to do:
Input name must be be defined as an array i.e.
name="inputName[]"
Input elemen...
What is the difference between an Azure Web Site and an Azure Web Role
...eaming, etc.)
With the April 2014 and September 2014 rollouts, there are now some features common to both Web Apps and Web Roles (and Worker Roles), including:
Staging+production slots
Wildcard DNS, SSL certificates
Visual Studio integration
Traffic Manager support
Virtual Network support
Here...
CSS3 Rotate Animation
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2017: This is now very well supported and a preferred way to do non-infinite rotations. -webkit- prefix is no longer needed and can be safely removed. Browser support: caniuse.com/#search=transforms
– Alph.Dev
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Why can't a 'continue' statement be inside a 'finally' block?
... {
try
{
throw new Exception("What now?");
}
finally
{
continue;
}
}
}
catch
{
//do I get hit?
}
}
The Dreaded Goto
public static void Goto()
{
foreach(var i...
What is the purpose of fork()?
...d process
const char *argv[] = {"arg1", "arg2", "arg3", NULL};
// now start executing some other program
exec("/path/to/a/program", argv);
}
The shell spawns a child process using exec and waits for it to complete, then continues with its own execution. Note that you don't have to us...
How to create a self-signed certificate with OpenSSL
... the Trust Store used by the browser.
Steps 2 - 4 are roughly what you do now for a public facing server when you enlist the services of a CA like Startcom or CAcert. Steps 1 and 5 allows you to avoid the third-party authority, and act as your own authority (who better to trust than yourself?).
Th...
Jenkins / Hudson environment variables
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I kept running into this problem, but now I just add:
source /etc/profile
As the first step in my build process. Now all my subsequent rules are loaded for Jenkins to operate smoothly.
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How to document class attributes in Python? [closed]
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I don't know when this was introduced, but Sphinx 1.2.2 seems to include attribute docstrings in the generated documentation.
– jochen
Jul 19 '14 at 12:09
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