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Retrieve CPU usage and memory usage of a single process on Linux?
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ps -p <pid> -o %cpu,%mem,cmd
(You can leave off "cmd" but that might be helpful in debugging).
Note that this gives average CPU usage of the process over the time it has been running.
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What's the actual use of 'fail' in JUnit test case?
...e:
Since JUnit4, there is a more elegant way to test that an exception is being thrown:
Use the annotation @Test(expected=IndexOutOfBoundsException.class)
However, this won't work if you also want to inspect the exception, then you still need fail().
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Can someone explain the traverse function in Haskell?
I am trying and failing to grok the traverse function from Data.Traversable . I am unable to see its point. Since I come from an imperative background, can someone please explain it to me in terms of an imperative loop? Pseudo-code would be much appreciated. Thanks.
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Counter increment in Bash loop not working
...script where I am running a loop and want to maintain a COUNTER . I am unable to figure out why the counter is not updating. Is it due to subshell thats getting created? How can I potentially fix this?
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Check list of words in another string [duplicate]
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kennytmkennytm
451k9292 gold badges980980 silver badges958958 bronze badges
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What is the difference between the | and || or operators?
I have always used || (two pipes) in OR expressions, both in C# and PHP. Occasionally I see a single pipe used: | . What is the difference between those two usages? Are there any caveats when using one over the other or are they interchangeable?
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JSONP with ASP.NET Web API
I am working on creating a new set of services in ASP.MVC MVC 4 using the Web API. So far, it's great. I have created the service and gotten it to work, and now I am trying to consume it using JQuery. I can get back the JSON string using Fiddler, and it seems to be ok, but because the service exi...
How can I create directory tree in C++/Linux?
...esystem> with
function
std::filesystem::create_directories
which should be used in modern C++ programs.
The C++ standard functions do not have the POSIX-specific explicit
permissions (mode) argument, though.
However, here's a C function that can be compiled with C++ compilers.
/*
@(#)File: ...
How can I String.Format a TimeSpan object with a custom format in .NET?
What is the recommended way of formatting TimeSpan objects into a string with a custom format?
19 Answers
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JavaScript naming conventions [closed]
I know there is a lot of controversy (maybe not controversy, but arguments at least) about which naming convention is the best for JavaScript.
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