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What's the best online payment processing solution? [closed]
... difference is how you choose to integrate though.
Most services integrate by allowing you to redirect to a secure site where your customer fills in his / her details. They are finally redirected back to a page on your own site with the results of the transaction. This works well in most cases and i...
What does “mro()” do?
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mro can be customized by a metaclass, is called once at class initialization, and the result is stored in __mro__ -- see docs.python.org/library/… .
– Alex Martelli
Jan 6 '10 at 4:24
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Why is `[` better than `subset`?
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This question was answered in well in the comments by @James, pointing to an excellent explanation by Hadley Wickham of the dangers of subset (and functions like it) [here]. Go read it!
It's a somewhat long read, so it may be helpful to record here the example that Hadley us...
C++ equivalent of Java's toString?
...uld be that the implementation of the dump functionality could be enforced by an interface, which would not be possible using the proposed operator.
– jupp0r
Apr 2 '14 at 10:00
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LINQ - Convert List to Dictionary with Value as List
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It sounds like you want to group the MyObject instances by KeyedProperty and put that grouping into a Dictionary<long,List<MyObject>>. If so then try the following
List<MyObject> list = ...;
var map = list
.GroupBy(x => x.KeyedProperty)
.ToDictionary(x =...
How do I include a newline character in a string in Delphi?
...Delphi 2009 (notice the use of AnsiChar and AnsiString). (Line wrap added by me.)
So if you want to make your TLabel wrap, make sure AutoSize is set to true, and then use the following code:
label1.Caption := 'Line one'+sLineBreak+'Line two';
Works in all versions of Delphi since sLineBreak was...
WaitAll vs WhenAll
... @KevinBui: No, it shouldn't block it - it will await the task returned by WhenAll, but that's not the same as blocking the thread.
– Jon Skeet
Sep 18 '15 at 10:24
3
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How to use a link to call JavaScript?
...e
// with an id of "mylink"
var a = document.getElementById("mylink");
//Set code to run when the link is clicked
// by assigning a function to "onclick"
a.onclick = function() {
// Your code here...
//If you don't want the...
Compute a confidence interval from sample data
...ce? Could you think of any easy way to do it like the one you provide here by using StatsModelsl?
– steven
Jan 26 '19 at 20:50
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Remove all the elements that occur in one list from another
...uite efficient (although a generator comprehension might be more efficient by not duplicating elements in memory), but the in operator isn't that efficient on a list. in on a list is O(n), whereas in on a set is O(1). However, until you get to thousands of elements or more, you're unlikely to noti...