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Simple explanation of clojure protocols
...ols and what problem they are supposed to solve. Does anyone have a clear explanation of the whats and whys of clojure protocols?
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Are PHP functions case sensitive?
...ike user-defined is case-sensitive"? If that's a typo, you really should fix it.
– Barmar
Dec 17 '13 at 1:29
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How to chain scope queries with OR instead of AND?
...'Smith')
Right now, there isn't any other OR support by the new AR3 syntax (that is without using some 3rd party gem).
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Read file line by line using ifstream in C++
The contents of file.txt are:
8 Answers
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How do I iterate over a range of numbers defined by variables in Bash?
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seq involves the execution of an external command which usually slows things down. This may not matter but it becomes important if you're writing a script to handle lots of data.
– paxdiablo
Oct 4 '08 at...
How to get Erlang's release version number from a shell?
... the major OTP version number. No erlang:system_info() argument gives the exact OTP version. See my answer below for an even uglier command that also prints minor version on my development machine.
– Jay
Dec 17 '15 at 3:40
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How to find the 'sizeof' (a pointer pointing to an array)?
...k is the one mentioned by Zan, which is to stash the size somewhere. For example, if you're dynamically allocating the array, allocate a block one int bigger than the one you need, stash the size in the first int, and return ptr+1 as the pointer to the array. When you need the size, decrement the ...
Measuring the distance between two coordinates in PHP
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Not long ago I wrote an example of the haversine formula, and published it on my website:
/**
* Calculates the great-circle distance between two points, with
* the Haversine formula.
* @param float $latitudeFrom Latitude of start point in [deg de...
Python __str__ and lists
...omatically call the toString() method on each object inside the List. For example, if my list contains objects o1, o2, and o3, list.toString() would look something like this:
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How can I check which version of Angular I'm using?
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Edit: When this answer was written, there was only AngularJS 1.x. Look in the answers below for Angular versions >= 2.
AngularJS does not have a command line tool.
You can get the version number from the JavaScript file itself.
Header of the current angular.js:
/**
* @license An...