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Can I use GDB to debug a running process?
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Yes you can. Assume a process foo is running...
ps -elf | grep foo
look for the PID number
gdb -a {PID number}
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A generic list of anonymous class
... o, o1 }.ToList();
There are lots of ways of skinning this cat, but basically they'll all use type inference somewhere - which means you've got to be calling a generic method (possibly as an extension method). Another example might be:
public static List<T> CreateList<T>(params T[] el...
Detecting 'stealth' web-crawlers
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A while back, I worked with a smallish hosting company to help them implement a solution to this. The system I developed examined web server logs for excessive activity from any given IP address and issued firewall rules to block offenders. It included wh...
In what cases will HTTP_REFERER be empty
...tched from a https URL to a different https URL.
has security software installed (antivirus/firewall/etc) which strips the referrer from all requests.
is behind a proxy which strips the referrer from all requests.
visited the site programmatically (like, curl) without setting the referrer header (se...
How to use XPath contains() here?
...that this:
//ul[@class='featureList' and contains(li, 'Type')]
would actually select a node!
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Possible heap pollution via varargs parameter
...hrow a CCE
B b = listOfBs.get(0);
@SafeVarargs does not prevent this at all. However, there are methods which provably will not pollute the heap, the compiler just can't prove it. Previously, callers of such APIs would get annoying warnings that were completely pointless but had to be suppressed ...
Why doesn't Java allow generic subclasses of Throwable?
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They could just disallow using two catch blocks with the same type together. So that using SomeExc<Integer> alone would be legal, only using SomeExc<Integer> and SomeExc<String> together would be illegal. That would make no pr...
Google Chrome redirecting localhost to https
...t as per accepted answer, it does return 'not found'? Tried everything in all comments and answers here.
– DarkW1nter
May 10 '17 at 15:05
31
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Array slices in C#
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Arrays are enumerable, so your foo already is an IEnumerable<byte> itself.
Simply use LINQ sequence methods like Take() to get what you want out of it (don't forget to include the Linq namespace with using System.Linq;):
byte[] foo = new byte[4096]...
Why use static_cast(x) instead of (int)x?
...e main reason is that classic C casts make no distinction between what we call static_cast<>(), reinterpret_cast<>(), const_cast<>(), and dynamic_cast<>(). These four things are completely different.
A static_cast<>() is usually safe. There is a valid conversion in the...