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switch / pattern matching idea
I've been looking at F# recently, and while I'm not likely to leap the fence any time soon, it definitely highlights some areas where C# (or library support) could make life easier.
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What are file descriptors, explained in simple terms?
... open a file, the operating system creates an entry to represent that file and store the information about that opened file. So if there are 100 files opened in your OS then there will be 100 entries in OS (somewhere in kernel). These entries are represented by integers like (...100, 101, 102....). ...
How to implement classic sorting algorithms in modern C++?
The std::sort algorithm (and its cousins std::partial_sort and std::nth_element ) from the C++ Standard Library is in most implementations a complicated and hybrid amalgamation of more elementary sorting algorithms , such as selection sort, insertion sort, quick sort, merge sort, or heap sort....
How to close Android application?
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Android has a mechanism in place to close an application safely per its documentation. In the last Activity that is exited (usually the main Activity that first came up when the application started) just place a couple of li...
What guarantees are there on the run-time complexity (Big-O) of LINQ methods?
I've recently started using LINQ quite a bit, and I haven't really seen any mention of run-time complexity for any of the LINQ methods. Obviously, there are many factors at play here, so let's restrict the discussion to the plain IEnumerable LINQ-to-Objects provider. Further, let's assume that any...
Using G++ to compile multiple .cpp and .h files
...++ code that was written poorly with one cpp file which contained the main and a bunch of other functions. There are also .h files that contain classes and their function definitions.
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What generates the “text file busy” message in Unix?
... Use lsof to check what other processes are using it. You can use kill command to kill it if needed.
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Simple way to find if two different lists contain exactly the same elements?
...plest way to find if two Lists contain exactly the same elements, in the standard Java libraries?
16 Answers
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Print a file's last modified date in Bash
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You can use the
stat
command
stat -c %y "$entry"
More info
%y time of last modification, human-readable
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“A lambda expression with a statement body cannot be converted to an expression tree”
...t depends on what you are going to do. this can not be always right choice and of course can not be always wrong choice.
– Amir Oveisi
Oct 28 '15 at 10:33
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