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Data structure for loaded dice?
Suppose that I have an n-sided loaded die where each side k has some probability p k of coming up when I roll it. I'm curious if there is good algorithm for storing this information statically (i.e. for a fixed set of probabilities) so that I can efficiently simulate a random roll of the die.
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What is a “symbol” in Julia?
...., you need a way to represent – as data – the foo on the left hand side of this:
foo == "foo"
Now we're getting to the heart of the matter: the difference between a symbol and a string is the difference between foo on the left hand side of that comparison and "foo" on the right hand side. ...
Git submodule push
...le origin, or would that require a clone?
If clone, can I store a clone inside another repository?
2 Answers
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How to remove all callbacks from a Handler?
...ndler = new Handler();
Runnable myRunnable = new Runnable() {
public void run() {
//Some interesting task
}
};
You can call myHandler.postDelayed(myRunnable, x) to post another callback to the message queue at other places in your code, and remove all pending callbacks with myHandl...
Scala list concatenation, ::: vs ++
...- and even iterators. List, however, got to keep its original operators, aside from one or two which got deprecated.
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How to use WinForms progress bar?
...see how to report progress back to the UI thread.
For example:
private void Calculate(int i)
{
double pow = Math.Pow(i, i);
}
private void button1_Click(object sender, EventArgs e)
{
progressBar1.Maximum = 100;
progressBar1.Step = 1;
progressBar1.Value = 0;
backgroundWorker.Ru...
Frequency table for a single variable
...
The answer provided by @DSM is simple and straightforward, but I thought I'd add my own input to this question. If you look at the code for pandas.value_counts, you'll see that there is a lot going on.
If you need to calculate the frequenc...
Why can't non-default arguments follow default arguments?
...s are not. Syntactically, it would be impossible for the interpreter to decide which values match which arguments if mixed modes were allowed. A SyntaxError is raised if the arguments are not given in the correct order:
Let us take a look at keyword arguments, using your function.
def fun1(a="who ...
Are SVG parameters such as 'xmlns' and 'version' needed?
... by every user agent. 4
Removed in SVG 2. 5
1 Internationalized Resource Identifiers (RFC3987)
2 Since HTML5
3 Extensible Markup Language (XML) 1.0
4 Probably until the release of further major versions.
5 SVG 2, W3C Candidate Recommendation, 07 August 2018
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What's the difference between Application.ThreadException and AppDomain.CurrentDomain.UnhandledExcep
... If such an event handler throws an exception then there's a back-stop inside the Winforms message loop that catches that exception.
That backstop fires the Application.ThreadException event. If you don't override it, the user will get a ThreadExceptionDialog. Which allows him to ignore the ex...