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Strings are objects in Java, so why don't we use 'new' to create them?
We normally create objects using the new keyword, like:
15 Answers
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Determine the data types of a data frame's columns
I'm using R and have loaded data into a dataframe using read.csv() . How do I determine the data type of each column in the data frame?
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What does DIM stand for in Visual Basic and BASIC?
What does DIM stand for in Visual Basic?
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How to find all occurrences of an element in a list?
index() will just give the first occurrence of an item in a list. Is there a neat trick which returns all indices in a list for an element?
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UDP vs TCP, how much faster is it? [closed]
For general protocol message exchange, which can tolerate some packet loss. How much more efficient is UDP over TCP?
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How do I clone a range of array elements to a new array?
I have an array X of 10 elements. I would like to create a new array containing all the elements from X that begin at index 3 and ends in index 7. Sure I can easily write a loop that will do it for me but I would like to keep my code as clean as possible. Is there a method in C# that can do it for m...
What are good uses for Python3's “Function Annotations”
Function Annotations: PEP-3107
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how to append a list object to another
in C++, I have two list<T> objects A and B and I want to add all the members of B to the end of A . I've searched a few different sources and haven't found a simple solution (e.i. A.append(B); ) and this surprises me a bit.
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Get users by name property using Firebase
I'm trying to create an application where I can get/set data in specific users accounts and I was tempted by Firebase.
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How do I test a private function or a class that has private methods, fields or inner classes?
How do I unit test (using xUnit) a class that has internal private methods, fields or nested classes? Or a function that is made private by having internal linkage ( static in C/C++) or is in a private ( anonymous ) namespace?
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