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Why would you use Expression rather than Func?
...than executing the lambda).
Conceptually, Expression<Func<T>> is completely different from Func<T>. Func<T> denotes a delegate which is pretty much a pointer to a method and Expression<Func<T>> denotes a tree data structure for a lambda expression. This tree stru...
biggest integer that can be stored in a double
What is the biggest "no-floating" integer that can be stored in an IEEE 754 double type without losing precision ?
7 Answer...
Bash continuation lines
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This is what you may want
$ echo "continuation"\
> "lines"
continuation lines
If this creates two arguments to echo and you only want one, then let's look at string concatenation. In bash, placing two strings...
Java EE web development, where do I start and what skills do I need? [closed]
...has since Sep 2019 been renamed to "Jakarta EE", starting with version 8. Historically, there was also the term "J2EE" which covered versions 1.2 until 1.4. The "Java EE" covered versions 5 until 8. See also Java Platform, Enterprise Edition, History on Wikipedia.
What exactly do I need to learn?
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Polymorphism in C++
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Understanding of / requirements for polymorphism
To understand polymorphism - as the term is used in Computing Science - it helps to start from a simple test for and definition of it. Consider:
Type1 x;
Type2 y;
f(x);
f(y);
Here, f() is to perform ...
Immutable vs Mutable types
I'm confused on what an immutable type is. I know the float object is considered to be immutable, with this type of example from my book:
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XML attribute vs XML element
...back in order to update some of our data. During the process we have been discussing with the team of the other application about the structure of the XML file.
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Why doesn't std::queue::pop return value.?
I went through this page but I am not able to get the reason for the same . There it is mentioned that
7 Answers
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REST API Best practices: Where to put parameters? [closed]
...to return a 404 error when the parameter value does not correspond to an existing resource then I would tend towards a path segment parameter. e.g. /customer/232 where 232 is not a valid customer id.
If however you want to return an empty list then when the parameter is not found then I suggest usi...
Why is there no String.Empty in Java?
...and that every time I type the string literal "" , the same String object is referenced in the string pool.
11 Answers
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