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Downcasting shared_ptr to shared_ptr?
...he shared_ptr in this example is like the one in Boost, but it doesn't support shared_polymorphic_downcast (or dynamic_pointer_cast or static_pointer_cast for that matter)!
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Is there any way to put malicious code into a regular expression?
...of‐service attack through pathological patterns that go exponential — or even super‐exponential! — and so appear to take forever to solve. These may only show up on particular input data, but one can generally create one wherein this doesn’t matter.
Which ones these are will depend somewh...
Searching for UUIDs in text with regex
I'm searching for UUIDs in blocks of text using a regex. Currently I'm relying on the assumption that all UUIDs will follow a patttern of 8-4-4-4-12 hexadecimal digits.
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How do you find out the type of an object (in Swift)?
When trying to understand a program, or in some corner-cases, it's useful to be able to actually find out what type something is. I know the debugger can show you some type information, and you can usually rely on type inference to get away with not specifying the type in those situations, but still...
What's a standard way to do a no-op in python?
... constructs in python, and I want to include options which can occur, but for which the corresponding action is to do nothing. I realise I could just exclude those if statements, but for readability I find it helps to include them all, so that if you are looking through the code you can see what hap...
PHP: Count a stdClass object
...= count((array)$obj);
Simply casting an object as an array won't always work but being a simple stdClass object it should get the job done here.
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When annotating a class with @Component, does this mean it is a Spring Bean and Singleton?
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Yes, that is correct, @Component is a Spring bean and a Singleton.
If the class belongs to the service layer you may want to annotate it with @Service instead
But have in mind that in order for these annotations to be detected, you need ...
How to compare two files not in repo using git
I'd like to compare two css files which are not in any git repository. Is there such a functionality in git?
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How do I paste multi-line bash codes into terminal and run it all at once?
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Try putting \ at the end of each line before copying it.
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ASP.NET MVC: Is Controller created for every request?
Very simple question: Are controllers in ASP.NET created for every HTTP request, or are they created at application startup and reused throughout requests?
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