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C++ unordered_map using a custom class type as the key

...rrides operator(), or as a specialization of std::equal, or – easiest of all – by overloading operator==() for your key type (as you did already). The difficulty with the hash function is that if your key type consists of several members, you will usually have the hash function calculate hash ...
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Deserialize JSON into C# dynamic object?

...ere. I modified the code slightly to fix a bug and suit my coding style. All you need is this code and a reference to System.Web.Extensions from your project: using System; using System.Collections; using System.Collections.Generic; using System.Collections.ObjectModel; using System.Dynamic; usin...
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Convert tuple to list and back

...t is the homogeneous multidimensional array. It is a table of elements (usually numbers), all of the same type, indexed by a tuple of positive integers. – pradyunsg Dec 4 '16 at 3:25 ...
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How to print matched regex pattern using awk?

...search for pattern using //, then print out the line, which by default is called a record, denoted by $0. At least read up the documentation. If you only want to get print out the matched word. awk '{for(i=1;i<=NF;i++){ if($i=="yyy"){print $i} } }' file ...
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Count how many records are in a CSV Python?

...aranteed to be a fixed size, so the only way to count them is to read them all. – Martijn Pieters♦ Apr 19 '13 at 15:55 1 ...
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Request is not available in this context

...on here: stackoverflow.com/questions/1790457/… – jball Mar 25 '10 at 17:55 6 Thanks. I had seen...
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How to split a large text file into smaller files with equal number of lines?

...a large (by number of lines) plain text file that I'd like to split into smaller files, also by number of lines. So if my file has around 2M lines, I'd like to split it up into 10 files that contain 200k lines, or 100 files that contain 20k lines (plus one file with the remainder; being evenly divi...
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What are dictionary view objects?

... Dictionary views are essentially what their name says: views are simply like a window on the keys and values (or items) of a dictionary. Here is an excerpt from the official documentation for Python 3: >>> dishes = {'eggs': 2, 'sausage': 1, ...
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Navigation in django

... I like this idea a lot, especially for flexibility, but it comes with the less-DRY trade-off. I did start using this in a site though. – anonymous coward Sep 22 '09 at 14:47 ...
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jQuery ui dialog change title after load-callback

...m an UI Dialog after i have submitted a form in this UI Dialog. So in the callback-function after load i should suggest, but i've tried and googled without result. ...