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What's the meaning of interface{}?
... for a type is called the "interface type". Let's call it in our example: T_interface. Is equal to T_interface = (A, B, C)
You can create an "interface type" by defining the signature of the methods. MyInterface = (A, )
When you specify a variable of type, "interface type", you can assign to it onl...
How do you sort an array on multiple columns?
...
tbranyentbranyen
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...
Can I zip more than two lists together in Scala?
...neLists[A](ss:List[A]*) = {
val sa = ss.reverse;
(sa.head.map(List(_)) /: sa.tail)(_.zip(_).map(p=>p._2 :: p._1))
}
For example:
combineLists(List(1, 2, 3), List(10,20), List(100, 200, 300))
// => List[List[Int]] = List(List(1, 10, 100), List(2, 20, 200))
The answer is truncated t...
Inserting a string into a list without getting split into characters
I'm new to Python and can't find a way to insert a string into a list without it getting split into individual characters:
...
Can someone explain how to implement the jQuery File Upload plugin?
...eg');
if(isset($_FILES['uploadctl']) && $_FILES['uploadctl']['error'] == 0){
$extension = pathinfo($_FILES['uploadctl']['name'], PATHINFO_EXTENSION);
if(!in_array(strtolower($extension), $allowed)){
echo '{"status":"error"}';
exit;
}
...
Bubble Sort Homework
In class we are doing sorting algorithms and, although I understand them fine when talking about them and writing pseudocode, I am having problems writing actual code for them.
...
Can you control how an SVG's stroke-width is drawn?
Currently building a browser-based SVG application. Within this app, various shapes can be styled and positioned by the user, including rectangles.
...
No output to console from a WPF application?
...Console)
{
AllocConsole();
InvalidateOutAndError();
}
//#endif
}
/// <summary>
/// If the process has a console attached to it, it will be detached and no longer visible. Writing to the System.Console is still possible, but no output...
More elegant “ps aux | grep -v grep”
...0 ? Ss Oct20 0:00 /usr/sbin/sshd -D
$ ps up $(pgrep -f sshddd)
error: list of process IDs must follow p
[stderr output truncated]
$ ps up $(pgrep -f sshddd) 2>&-
[no output]
The above can be used as a function:
$ psgrep() { ps up $(pgrep -f $@) 2>&-; }
$ psgrep sshd
US...
How to make IPython notebook matplotlib plot inline
...3.1.0.
– Ian Fiske
May 20 '15 at 20:05
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