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Wrap a delegate in an IEqualityComparer
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Yeah... starting to make sense?
Hopefully from these examples it's clear why including an appropriate GetHashCode in any IEqualityComparer<T> implementation is so important.
Original answer
Expanding on orip's answer:
The...
How do pointer to pointers work in C?
...--+----+
What you can see here, is that at address 63 the string "hello" starts. So in this case, if this is the only occurrence of "hello" in memory then,
const char *c = "hello";
... defines c to be a pointer to the (read-only) string "hello", and thus contains the value 63. c must itself be ...
The difference between fork(), vfork(), exec() and clone()
...t, this system call can be used to create all kinds of execution entities, starting from threads and finishing by completely independent processes. In fact, clone() system call is the base which is used for the implementation of pthread_create() and all the family of the fork() system calls.
exec() ...
How does `is_base_of` work?
...
Let's work out how it works by looking at the steps.
Start with the sizeof(check(Host<B,D>(), int())) part. The compiler can quickly see that this check(...) is a function call expression, so it needs to do overload resolution on check. There are two candidate overloads a...
OS detecting makefile
...@olibre Thanks for the detailed example, much appreciated and helps get me started quickly. In the lib/Makefile example, target is used for .so vs .dll. A parallel example for the app/makefile would be useful for the empty string vs .exe comparison for app filename. For instance, I don't usually...
App.Config Transformation for projects which are not Web Projects in Visual Studio?
...ork. This last bit of information is key and once I added it, poof it all started working.
– djangojazz
Oct 9 '15 at 16:57
25
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What is external linkage and internal linkage?
...the default auto storage class, nCall will be initialized only once at the start of the program and not once for each invocation of f(). The storage class specifier static affects the lifetime of the local variable and not its scope.
NB: The keyword static plays a double role. When used in the def...
What are the pros and cons to keeping SQL in Stored Procs versus Code [closed]
...erver is there to run your business logic. If you additionally use SPs you start distributing your implementation of business logic all over your system and it will become very unclear who is responsible for what. Eventually you will end up with an application server that will basically do nothing b...
What does the star operator mean, in a function call?
...le star turns an arbitrary number of arguments into a list, and the double start turns an arbitrary number of keyword arguments into a dictionary. E.g. def foo(*x) means "foo takes an arbitrary number of arguments and they will be accessible through the list x (i.e. if the user calls foo(1,2,3), x w...
How to backup a local Git repository?
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I started hacking away a bit on Yar's script and the result is on github, including man pages and install script:
https://github.com/najamelan/git-backup
Installation:
git clone "https://github.com/najamelan/git-backup.git"
...