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When is each sorting algorithm used? [closed]
...han a quick sort. There are some in-place merge sorts, but AFAIK they are all either not stable or worse than O(N log N). Even the O(N log N) in place sorts have so much larger a constant than the plain old merge sort that they're more theoretical curiosities than useful algorithms.
Heap sort: W...
How to bind function arguments without binding this?
...;
Hope I got the syntax right there. What it does is create a function called withWrappedArguments() (to be pedantic it is an anonymous function assigned to the variable) that you can call any time any where and will always act with actualArg1Value and actualArg2Value, and anything else you want ...
How to recognize USB devices in Virtualbox running on a Linux host? [closed]
...and log in again
Attach to your PC the USB devices you want to be automatically mounted in the VM (virtual machine).
Open Virtualbox
Select your VM and go to "Machine" -> "Settings" -> "USB".
Check "Enable USB Controller"; click on the icon with the USB plug and the plus, and
click on the devi...
Difference between doseq and for in Clojure
...e's answer is
(for [x [1 2 3]] (println x))
At the REPL, this will generally do what you want, but that's basically a coincidence: the REPL forces the lazy sequence produced by for, causing the printlns to happen. In a non-interactive environment, nothing will ever be printed. You can see this in...
Difference between FOR and AFTER triggers?
...
AFTER specifies that the DML trigger is fired only when all operations specified in the triggering SQL statement have executed successfully. All referential cascade actions and constraint checks also must succeed before this trigger fires.
AFTER is the default when FOR is the onl...
Wrapping StopWatch timing with a delegate or lambda?
... sw.Stop();
return sw.ElapsedMilliseconds;
}
}
Then call it like this:
var s = new Stopwatch();
Console.WriteLine(s.Time(() => DoStuff(), 1000));
You could add another overload which omits the "iterations" parameter and calls this version with some default value (like 100...
How to manually install an artifact in Maven 2?
I've encountered some errors when I tried to install an artifact manually with Maven 2. I wanted to install a jar from a local directory with the command
...
Using System.Dynamic in Roslyn
... "calc.dll",
options: new CSharpCompilationOptions(OutputKind.DynamicallyLinkedLibrary),
syntaxTrees: new[] {tree},
references: new[] {
MetadataReference.CreateFromFile(typeof(object).Assembly.Location),
MetadataReference.CreateFromFile(typeof(ExpandoObject).Assembly.Lo...
Eclipse: All my projects disappeared from Project Explorer
It seems like all my projects (except one) disappeared from the view Project Explorer.
33 Answers
...
Printing hexadecimal characters in C
... signed on your system. In C, vararg functions such as printf will promote all integers smaller than int to int. Since char is an integer (8-bit signed integer in your case), your chars are being promoted to int via sign-extension.
Since c0 and 80 have a leading 1-bit (and are negative as an 8-bit ...