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What's the difference between size_t and int in C++?
...G_PTR is an unsigned long type used for pointer precision. It is used when casting a pointer to a long type to perform pointer arithmetic.
This type is declared as follows:
typedef unsigned __int3264 ULONG_PTR;
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List of Java processes
How can I list all Java processes in bash?
I need an command line. I know there is command ps but I don't know what parameters I need to use.
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find first sequence item that matches a criterion [duplicate]
What would be the most elegant and efficient way of finding/returning the first list item that matches a certain criterion?
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C: Run a System Command and Get Output? [duplicate]
I want to run a command in linux and get the text returned of what it outputs, but I do not want this text printed to screen. Is there a more elegant way than making a temporary file?
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What does “&” at the end of a linux command mean?
I am a system administrator and I have been asked to run a linux script to clean the system.
4 Answers
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Why are C# 4 optional parameters defined on interface not enforced on implementing class?
...act of that is the behavior you see where you get different results if you cast to an interface.
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Optional Parameters with C++ Macros
...s the list of arguments twice, first to form the name of the helper macro, and then to pass the arguments to that helper macro. It uses a standard trick to count the number of arguments to a macro.
enum
{
plain = 0,
bold = 1,
italic = 2
};
void PrintString(const char* message, int siz...
Run ssh and immediately execute command [duplicate]
I'm trying to find UNIX or bash command to run a command after connecting to an ssh server. For example:
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Position of least significant bit that is set
...her bytes by storing/reloading instead of shifting, because of the pointer-cast. (totally unnecessary BTW, and makes it endian-dependent unlike a shift wouldn't). Anyway, so not only is the microbenchmark unrealistic because of hot cache, it also has the branch predictors primed and tests inputs t...
What is Rack middleware?
...mment about it being a way to filter requests probably comes from the RailsCast episode 151: Rack Middleware screen cast.
Rack middleware evolved out of Rack and there is a great intro at Introduction to Rack middleware.
There's an intro to middleware on Wikipedia here.
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