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Python: try statement in a single line
Is there a way in python to turn a try/except into a single line?
12 Answers
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Cache Invalidation — Is there a General Solution?
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What you are talking about is lifetime dependency chaining, that one thing is dependent on another which can be modified outside of it's control.
If you have an idempotent function from a, b to c where, if a and b are the same then c is the same but t...
How can I reliably get an object's address when operator& is overloaded?
...ddressof cannot be used with a pointer to function
In C++ if void func(); is declared, then func is a reference to a function taking no argument and returning no result. This reference to a function can be trivially converted into a pointer to function -- from @Konstantin: According to 13.3.3.2 bot...
What is the exact meaning of Git Bash?
...etch , and merge . But I still don't know what Git Bash itself actually is!
4 Answers
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Why is volatile needed in C?
Why is volatile needed in C? What is it used for? What will it do?
18 Answers
18
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C# 'is' operator performance
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Using is can hurt performance if, once you check the type, you cast to that type. is actually casts the object to the type you are checking so any subsequent casting is redundant.
If you are going to cast anyway, here is a better...
Why is there a difference in checking null against a value in VB.NET and C#?
In VB.NET this happens:
7 Answers
7
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What is memory fragmentation?
...early double that much free.
On systems with virtual memory, fragmentation is less of a problem than you might think, because large allocations only need to be contiguous in virtual address space, not in physical address space. So in my example, if I had virtual memory with a page size of 2 bytes th...
What is Weak Head Normal Form?
...so I will not consider it here.
Normal form
An expression in normal form is fully evaluated, and no sub-expression could be evaluated any further (i.e. it contains no un-evaluated thunks).
These expressions are all in normal form:
42
(2, "hello")
\x -> (x + 1)
These expressions are not in n...
How does JPA orphanRemoval=true differ from the ON DELETE CASCADE DML clause
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orphanRemoval has nothing to do with ON DELETE CASCADE.
orphanRemoval is an entirely ORM-specific thing. It marks "child" entity to be removed when it's no longer referenced from the "parent" entity, e.g. when you remove the child entity from the corresponding collection of the parent entity.
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