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Why is NaN not equal to NaN? [duplicate]

..."undefined" - see http://www.cs.berkeley.edu/~wkahan/ieee754status/IEEE754.PDF, page 7 (search for the word "undefined"). As that document confirms, NaN is a well-defined concept. Furthermore, IEEE approach was to follow the regular mathematics rules as much as possible, and when they couldn't, fol...
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How to handle Objective-C protocols that contain properties?

...endall Helmstetter GelnerKendall Helmstetter Gelner 72.5k2626 gold badges123123 silver badges146146 bronze badges ...
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Access denied for user 'root'@'localhost' while attempting to grant privileges. How do I grant privi

... 72 I also had the same problem with this but on Windows after upgrading to MySQL 5.5 from MySQL 5....
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How do I get a human-readable file size in bytes abbreviation using .NET?

... And some samples of use and output: Console.WriteLine(BytesToString(9223372036854775807)); //Results in 8EB Console.WriteLine(BytesToString(0)); //Results in 0B Console.WriteLine(BytesToString(1024)); //Results in 1KB Console.WriteLine(BytesToString(2000000)); ...
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Should I index a bit field in SQL Server?

... 72 Consider what an index is in SQL - and index is really a chunk of memory pointing at other chun...
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Detect network connection type on Android

...: http://dl.google.com/io/2009/pres/W_0300_CodingforLife-BatteryLifeThatIs.pdf ConnectivityManager mConnectivity = null; TelephonyManager mTelephony = null; // Skip if no connection, or background data disabled NetworkInfo info = mConnectivity.getActiveNetworkInfo(); if (info == null || !mConnectiv...
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Using Rails serialize to save hash to database

...Tan Wei HaoBenjamin Tan Wei Hao 9,30233 gold badges2727 silver badges5050 bronze badges 1 ...
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Differences between git pull origin master & git pull origin/master

... 72 git pull origin/master may have been a valid command when this was written, but nowadays (git 1.7.10.3) it fails with fatal: 'origin/master...
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What is the equivalent of “!=” in Excel VBA?

...That said, we are talking about extreme micro-optimization here (0.36 vs 0.72 seconds for 10 million iterations), so I'll definitely stick with the more readable str <> "". – Heinzi Jul 11 '19 at 15:49 ...
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Implementing MVC with Windows Forms

...ow, I suggest reading about the "Presenter First" approach (especially the PDF articles) I would recommend MVP (PassiveView pattern actually) instead of MVC. You don't really need any special frameworks for this, it's just how you organize your code. One approach (which I usually take) is to split...