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Find size of an array in Perl
I seem to have come across several different ways to find the size of an array. What is the difference between these three methods?
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Linq to Entities join vs groupjoin
I have web searched but I still cant find a simple answer. Can someone please explain (in simple English) what a GroupJoin is? How is it different from a regular inner Join ? Is it commonly used? Is it only for method syntax? What about query syntax? A c# code example would be nice.
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call a static method inside a class?
how do i call a static method from another method inside the same class?
4 Answers
4
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Python decorators in classes
Can one write something like:
11 Answers
11
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OS X Terminal Colors [closed]
I'm new to OS X, having just gotten a Mac after working with Ubuntu Linux for some time. Among the many things I'm trying to figure out is the absence of colors in my terminal window - like the ones that are shown (on Linux) when running ls -la or git status ...
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What does the unary plus operator do?
What does the unary plus operator do? There are several definitions that I have found ( here and here ) but I still have no idea what it would be used for. It seems like it doesn't do anything but there has be a reason for it, right?
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Good tutorial for using HTML5 History API (Pushstate?) [closed]
I am looking into using the HTML5 History API to resolve deep linking problems with AJAX loaded content, but I am struggling to get off the ground. Does any one know of any good resources?
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Why would I ever use push_back instead of emplace_back?
C++11 vectors have the new function emplace_back . Unlike push_back , which relies on compiler optimizations to avoid copies, emplace_back uses perfect forwarding to send the arguments directly to the constructor to create an object in-place. It seems to me that emplace_back does everything p...
How do I use vim registers?
I only know of one instance using registers is via Ctrl R * whereby I paste text from a clipboard.
16 Answers
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How do I vertically align something inside a span tag?
How do I get the "x" to be vertically-aligned in the middle of the span?
9 Answers
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