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Default function arguments in Rust
Is it possible in Rust to create a function with a default argument?
6 Answers
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Are non-synchronised static methods thread safe if they don't modify static class variables?
I was wondering if you have a static method that is not synchronised, but does not modify any static variables is it thread-safe? What about if the method creates local variables inside it? For example, is the following code thread-safe?
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In Python, if I return inside a “with” block, will the file still close?
Consider the following:
4 Answers
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What is the Invariant Culture?
Could anybody give an example to demonstrate the usage of the Invariant Culture ? I don't understand what the documentation describes.
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vs in Generics
What is the difference between <out T> and <T> ? For example:
5 Answers
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I want to execute shell commands from Maven's pom.xml
I want to execute Linux shell commands with Maven. Here is what I tried:
5 Answers
5
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What is difference between Collection.stream().forEach() and Collection.forEach()?
I understand that with .stream() , I can use chain operations like .filter() or use parallel stream. But what is difference between them if I need to execute small operations (for example, printing the elements of the list)?
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What is “lifting” in Scala?
Sometimes when I read articles in the Scala ecosystem I read the term "lifting" / "lifted". Unfortunately, it is not explained what that exactly means. I did some research, and it seems that lifting has something to do with functional values or something like that, but I was not able to find a text ...
MySQL - Rows to Columns
I tried to search posts, but I only found solutions for SQL Server/Access. I need a solution in MySQL (5.X).
12 Answers
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