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Suppress warning CS1998: This async method lacks 'await'
...the classes that implements the interface does not have anything to await, and some might just throw. It's a bit annoying with all the warnings.
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Random date in C#
I'm looking for some succinct, modern C# code to generate a random date between Jan 1 1995 and the current date.
7 Answers
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How to declare constant map
...a func you can declare it like:
romanNumeralDict := map[int]string{
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And in Go there is no such thing as a constant map. More information can be found here.
Try it out on the Go playground.
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Error “initializer element is not constant” when trying to initialize variable with const
...n error on line 6 (initialize my_foo to foo_init) of the following program and I'm not sure I understand why.
5 Answers
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Error: allowDefinition='MachineToApplication' beyond application level
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I opened the website in IIS manager
right clicked the WCF folder
clicked Convert to Application
and then submitted with Ok
WCF is back and running.
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Pointer to class data member “::*”
...nest, I've never had to use them in my own code.
Edit: I can't think off-hand of a convincing use for pointers to member data. Pointer to member functions can be used in pluggable architectures, but once again producing an example in a small space defeats me. The following is my best (untested) tr...
Case insensitive 'in'
... it is
already lowercase, lower() would do nothing to 'ß'; casefold()
converts it to "ss".
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Where and why do I have to put the “template” and “typename” keywords?
In templates, where and why do I have to put typename and template on dependent names?
What exactly are dependent names anyway?
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What is the explicit promise construction antipattern and how do I avoid it?
...a programming language.
You should only use deferred objects when you are converting an API to promises and can't do it automatically, or when you're writing aggregation functions that are easier expressed this way.
Quoting Esailija:
This is the most common anti-pattern. It is easy to fall in...
Builder Pattern in Effective Java
...k. If it is non-static, it would require an instance of its owning class - and the point is not to have an instance of it, and even to forbid making instances without the builder.
public class NutritionFacts {
public static class Builder {
}
}
Reference: Nested classes
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