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arrow operator (->) in function heading
...declaration:
return-type identifier ( argument-declarations... )
and
auto identifier ( argument-declarations... ) -> return_type
They are equivalent. Now when they are equivalent, why do you ever want to use the latter? Well, C++11 introduced this cool decltype thing that lets...
Are Java static initializers thread safe?
...ll only absolutely be called once when the class is first loaded? I understand I cannot guarantee when this code block will be called, I'm guessing its when the Classloader first loads it. I realize I could synchronize on the class in the static code block, but my guess is this is actually what happ...
SQL Server IIF vs CASE
...SE in my queries. I want to know the exact purpose of the IIF statement and when should we prefer using IIF over CASE Statement in the query.
I mostly use nested CASE in my queries.
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Is there a builtin confirmation dialog in Windows Forms?
...ike to create a simple confirm dialog saying "Please check the information and if you're sure it's correct, click OK."
3 An...
Map to String in Java
...ame string representation of a Map in a variable without meddling with standard output? Something like String mapAsString = Collections.toString(map) ?
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How do I create a pylintrc file
...g linux. Can I do something like pylint --generate-rcfile > .pylintrc and then make changes to the resulting .pylintrc file to override the default settings? And if so should it be in my ~/ directory or should I put it in .pylint.d?
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Is there a difference between “raise exception()” and “raise exception” without parenthesis?
...
The short answer is that both raise MyException and raise MyException() do the same thing. This first form auto instantiates your exception.
The relevant section from the docs says, "raise evaluates the first expression as the exception object. It must be either a subcla...
Spring Boot - inject map from application.yml
...ious options for setting a prefix, controlling how missing properties are handled, etc. See the javadoc for more information.
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How can I pass arguments to a batch file?
I need to pass an ID and a password to a batch file at the time of running rather than hardcoding them into the file.
17 An...
PHP function to generate v4 UUID
So I've been doing some digging around and I've been trying to piece together a function that generates a valid v4 UUID in PHP. This is the closest I've been able to come. My knowledge in hex, decimal, binary, PHP's bitwise operators and the like is nearly non existant. This function generates a val...