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How to find the sum of an array of numbers
Given an array [1, 2, 3, 4] , how can I find the sum of its elements? (In this case, the sum would be 10 .)
43 Answers
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How to tell a Mockito mock object to return something different the next time it is called?
...Foo.someMethod() to return a certain value, while in another test, I want it to return a different value. The problem I'm having is that it seems I need to rebuild the mocks to get this to work correctly. I'd like to avoid rebuilding the mocks, and just use the same objects in each test.
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Equivalent C++ to Python generator pattern
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Generators exist in C++, just under another name: Input Iterators. For example, reading from std::cin is similar to having a generator of char.
You simply need to understand what a generator does:
there is a blob of data: the local variables define a state
there is an init meth...
Why are Objective-C delegates usually given the property assign instead of retain?
...oth are the same in a garbage collected environment. I'm mostly concerned with a non-GC based environment (eg: iPhone).
4 A...
check if directory exists and delete in one command unix
Is it possible to check if a directory exists and delete if it does,in Unix using a single command? I have situation where I use ANT 'sshexec' task where I can run only a single command in the remote machine. And I need to check if directory exists and delete it...
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When should I use OWIN Katana?
...question is: What do I lose if I skip learning OWIN and use IIS for my websites?
5 Answers
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How does the ARM architecture differ from x86? [closed]
Is the x86 Architecture specially designed to work with a keyboard while ARM expects to be mobile? What are the key differences between the two?
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How do I download a package from apt-get without installing it? [closed]
I have a computer without a NIC , and I want to install some programs in it via USB memory, but how can I download a program from apt-get without installing it?
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Calculate age given the birth date in the format YYYYMMDD
...can I calculate an age in years, given a birth date of format YYYYMMDD? Is it possible using the Date() function?
40 Answ...
How can I randomize the lines in a file using standard tools on Red Hat Linux?
...iner you get!
perl -MList::Util -e 'print List::Util::shuffle <>'
It uses a module, but the module is part of the Perl code distribution. If that's not good enough, you may consider rolling your own.
I tried using this with the -i flag ("edit-in-place") to have it edit the file. The docume...