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How do I select a random value from an enumeration?
...m.GetValues to retrieve an array of all values. Then select a random array item.
static Random _R = new Random ();
static T RandomEnumValue<T> ()
{
var v = Enum.GetValues (typeof (T));
return (T) v.GetValue (_R.Next(v.Length));
}
Test:
for (int i = 0; i < 10; i++) {
var valu...
How to work offline with TFS
...r may not try to hit the team server automatically when it starts up.
For best results try this:
Close all instances of visual studio
Open an empty visual studio (no project/solution)
See which windows are opened by default, if source control explorer or team explorer or any other windows that us...
Ways to save enums in database
What is the best way to save enums into a database?
11 Answers
11
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std::vector performance regression when enabling C++11
...e identical:
(I am compiling your original code, with container.push_back(Item());)
$ g++ -std=c++11 -O3 -flto regr.cpp && perf stat -r 10 ./a.out
Performance counter stats for './a.out' (10 runs):
35.426793 task-clock # 0.986 CPUs utilized ( +- 1...
Professional jQuery based Combobox control? [closed]
...
Unfortunately, the best thing I have seen is the jquery.combobox, but it doesn't really look like something I'd really want to use in my web applications. I think there are some usability issues with this control, but as a user I don't think I'...
What are Unwind segues for and how do you use them?
....
Unwind segues make it easy to backtrack. For example, before iOS 6, the best practice for dismissing presented view controllers was to set the presenting view controller as the presented view controller’s delegate, then call your custom delegate method, which then dismisses the presentedViewCon...
When to use Cast() and Oftype() in Linq
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You should call Cast<string>() if you know that all of the items are strings.
If some of them aren't strings, you'll get an exception.
You should call OfType<string>() if you know that some of the items aren't strings and you don't want those items.
If some of them aren't stri...
Java ArrayList how to add elements at the beginning
...rprised you are the only answer talking about Deque, this is obviously the best optimal solution.
– Guillaume F.
Oct 3 '16 at 8:12
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Does use of final keyword in Java improve the performance?
... original question is yes, it might improve performance, but marginally at best.
Compile-time benefits aside, I could not find any evidence that the use of the keyword final has any measurable effect on performance.
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Is there any way to not return something using CoffeeScript?
... learning coffeescript. I'm curious if you can shed some light on what the best choice, or what the worst choice would be when preventing the return of a value? Specifically, I have been told the options are to add either return, undefined, or null to the end of my function. However, adding null see...