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How to get the first non-null value in Java?
...at is, is there any way to return the first non-null value of several variables?
12 Answers
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lenses, fclabels, data-accessor - which library for structure access and mutation is better
There are at least three popular libraries for accessing and manipulating fields of records. The ones I know of are: data-accessor, fclabels and lenses.
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CSS '>' selector; what is it? [duplicate]
I've seen the "greater than" ( > ) used in CSS code a few times, but I can't work out what it does. What does it do?
7 A...
How to iterate through two lists in parallel?
I have two iterables in Python, and I want to go over them in pairs:
8 Answers
8
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What is an undefined reference/unresolved external symbol error and how do I fix it?
What are undefined reference/unresolved external symbol errors? What are common causes and how to fix/prevent them?
34 Answ...
How to add an object to an array
How can I add an object to an array (in javascript or jquery)?
For example, what is the problem with this code?
13 Answ...
pandas: How do I split text in a column into multiple rows?
...file and the next to last column has a string of text that I want to split by a specific delimiter. I was wondering if there is a simple way to do this using pandas or python?
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Javascript array search and remove string?
...pdating this thread with a more recent 1-line solution:
let arr = ['A', 'B', 'C'];
arr = arr.filter(e => e !== 'B'); // will return ['A', 'C']
The idea is basically to filter the array by selecting all elements different to the element you want to remove.
Note: will remove all occurrences. ...
Why Would I Ever Need to Use C# Nested Classes [duplicate]
I'm trying to understand about nested classes in C#. I understand that a nested class is a class that is defined within another class, what I don't get is why I would ever need to do this.
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What is the difference between a string and a byte string?
I am working with a library which returns a byte string and I need to convert this to a string.
7 Answers
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