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Reversing a linked list in Java, recursively
I have been working on a Java project for a class for a while now. It is an implementation of a linked list (here called AddressList , containing simple nodes called ListNode ). The catch is that everything would have to be done with recursive algorithms. I was able to do everything fine sans one ...
How to center a label text in WPF?
How to center a label text in WPF?
4 Answers
4
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How can I get the length of text entered in a textbox using jQuery?
How can I get the length of text entered in a textbox using jQuery?
6 Answers
6
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Laravel Check If Related Model Exists
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In php 7.2+ you can't use count on the relation object, so there's no one-fits-all method for all relations. Use query method instead as @tremby provided below:
$model->relation()->exists()
generic solution working...
How do I find the location of my Python site-packages directory?
How do I find the location of my site-packages directory?
21 Answers
21
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Is there a VB.NET equivalent for C#'s '??' operator?
...soft documentation):
' Variable first is a nullable type.
Dim first? As Integer = 3
Dim second As Integer = 6
' Variable first <> Nothing, so its value, 3, is returned.
Console.WriteLine(If(first, second))
second = Nothing
' Variable first <> Nothing, so the value of first is return...
Conversion from Long to Double in Java
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Don't need any string parsing there: Long.valueOf(15552451L).doubleValue() if you want to go via Long. Note this is the same, internally, as the cast from a double, except that you're doing some auto/unboxing.
– Joe Kearn...
Xcode stuck on Indexing
A project I've been working for 2 months stopped working for no reason because Xcode got stucked on "Indexing". I can't Build the project anymore. If I try to build, Xcode freezes and I have to force quit. This happens only with this project.
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Using variables inside a bash heredoc
I'm trying to interpolate variables inside of a bash heredoc:
3 Answers
3
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How to get the first column of a pandas DataFrame as a Series?
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UPDATE
If you're reading this after June 2017, ix has been deprecated in pandas 0.20.2, so don't use it. Use loc or iloc instead. See comments and other answers to this question.
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