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What is the best way to compare floats for almost-equality in Python?

... Use Python's decimal module, which provides the Decimal class. From the comments: It is worth noting that if you're doing math-heavy work and you don't absolutely need the precision from decimal, this can really bog things down. Floats are way, way faster to deal with, but ...
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In C#, how can I create a TextReader object from a string (without writing to disk)

... StringReader is a TextReader (StreamReader is too, but for reading from streams). So taking your first example and just using it to construct the CsvReader rather than trying to construct a StreamReader from it first gives: TextReader sr = new StringReader(TextBox_StartData.Text); using(Csv...
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How to get NSDate day, month and year in integer format?

...lendar components:NSCalendarUnitYear|NSCalendarUnitMonth|NSCalendarUnitDay fromDate:currentDate]; // Get necessary date components [components month]; //gives you month [components day]; //gives you day [components year]; // gives you year You can use NSDateComponents for that as above. Pleas...
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What's the difference between lists and tuples?

... Apart from tuples being immutable there is also a semantic distinction that should guide their usage. Tuples are heterogeneous data structures (i.e., their entries have different meanings), while lists are homogeneous sequences. Tu...
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HTTP POST Returns Error: 417 “Expectation Failed.”

... can change override the default underlying HttpWebRequest.ProtocolVersion from the default of 1.1 by creating a derived Proxy class which overrides protected override WebRequest GetWebRequest(Uri uri) as shown in this post:- public class MyNotAssumingHttp11ProxiesAndServersProxy : MyWS { prote...
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Android REST client, Sample?

...ted. It is by no means intended to be an exhaustive list. Volley (this is from Google) RESTDroid RoboSpice Retrofit Original Answer: Presenting my approach to having REST clients on Android. I do not claim it is the best though :) Also, note that this is what I came up with in response to my requ...
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Unmangling the result of std::type_info::name

...n the attention this question / answer receives, and the valuable feedback from GManNickG, I have cleaned up the code a little bit. Two versions are given: one with C++11 features and another one with only C++98 features. In file type.hpp #ifndef TYPE_HPP #define TYPE_HPP #include <string&gt...
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What are the advantages of NumPy over regular Python lists?

...o efficiently implemented. For example, you could read your cube directly from a file into an array: x = numpy.fromfile(file=open("data"), dtype=float).reshape((100, 100, 100)) Sum along the second dimension: s = x.sum(axis=1) Find which cells are above a threshold: (x > 0.5).nonzero() ...
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Is Response.End() considered harmful?

...logger on your app, it will be watered down with the ThreadAbortExceptions from these benign Response.End() calls. I think this is Microsoft's way of saying "Knock it off!". I would only use Response.End() if there was some exceptional condition and no other action was possible. Maybe then, loggi...
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How to get Enum Value from index in Java?

...to get the enum at indexposition. As mentioned above arrays begin to count from 0, if you want your index to start from '1' simply change these two methods to: public static String getCountry(int i) { return list[(i - 1)]; } public static int listGetLastIndex() { return list.length; } In...