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Why does the is operator return false when given null?
...assignment compatibility of a value y with a variable of type X is nothing more nor less than checking whether y is a member of set x.
Though that is an extremely common way of looking at types, that is not the only way of looking at types, and it is not the way that C# looks at types. Null refere...
Update all objects in a collection using LINQ
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What is
...lt;Number>, and List<Object>.
Wildcards are used to make generics more powerful and flexible; bounds are used to maintain type safety.
See also
Java language guide/Generics/More Fun with wildcards
As to how this is useful in <T extends Comparable<? super T>>, it's when you ha...
Regex to Match Symbols: !$%^&*()_+|~-=`{}[]:";'?,./
...o '?', and '{' to '~'. the last string of characters can't be represented more simply with a range: !"^_`[].
Use an ACSII table to find ranges for character classes.
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How to do version numbers? [closed]
...ompany consider this a major version for which customers might have to pay more, or is it an update of the current major version which may be free? Less of an R&D decision and more a product decision.
minor: Starts from 0 whenever major is incremented. +1 for every version that goes public.
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When to use nested classes and classes nested in modules?
I'm pretty familiar with when to use subclasses and modules, but more recently I've been seeing nested classes like this:
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Is there a better alternative than this to 'switch on type'?
...gather wasn't added as a special case because is relationships mean that more than one distinct case might apply), is there a better way to simulate switching on type other than this?
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How does libuv compare to Boost/ASIO?
...eck return values and errno for EAGAIN or EWOULDBLOCK.
Boost.Asio is a bit more rich in its networking support. In addition many of the features libuv's networking provides, Boost.Asio supporting SSL and ICMP sockets. Furthermore, Boost.Asio provides synchronous blocking and synchronous non-blocki...
How do I discard unstaged changes in Git?
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