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Is it safe to check floating point values for equality to 0?

... It is safe to expect that the comparison will return true if and only if the double variable has a value of exactly 0.0 (which in your original code snippet is, of course, the case). This is consistent with the semantics of the == operator. a == b means "a is equal to b". It is not sa...
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What's the difference between the Dependency Injection and Service Locator patterns?

...ck implementations of its dependent objects. You could combine the two -- and inject the service locator (or a factory), if you wanted. share | improve this answer | follow ...
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C: Run a System Command and Get Output? [duplicate]

I want to run a command in linux and get the text returned of what it outputs, but I do not want this text printed to screen. Is there a more elegant way than making a temporary file? ...
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Convert string to Python class object?

... open to anything. If you have malicious, evil users who might maliciously and evilly pass bad values to eval, they can just edit the python source. Since they can just edit the python source, the door is, was, and always will be open. – S.Lott Sep 19 '13 at 12...
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Best way to combine two or more byte arrays in C#

... - 0.0781270 seconds I increased the size of each array to 100 elements and re-ran the test: New Byte Array using System.Array.Copy - 0.2812554 seconds New Byte Array using System.Buffer.BlockCopy - 0.2500048 seconds IEnumerable<byte> using C# yield operator - 0.0625012 seconds...
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What's the main difference between Java SE and Java EE? [duplicate]

What's the main difference between Java SE and Java EE? 11 Answers 11 ...
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Determine path of the executing script

... Here there is a simple solution for the problem. This command: script.dir <- dirname(sys.frame(1)$ofile) returns the path of the current script file. It works after the script was saved. share ...
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ASP.NET MVC RequireHttps in Production Only

... forced to write the function declaration twice - once with the attribute, and once without. It does work, though, if you don't mind the ugliness. #If Not Debug Then <RequireHttps()> _ Function SomeAction() As ActionResult #Else Function SomeAction() As ActionResult #End If ...
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Are getters and setters poor design? Contradictory advice seen [duplicate]

...ith objects manipulating each others' internal state in an intimate manner and hence being too closely coupled. The idea is to make methods that directly do things you want to do. An example would be how to set enemies' "alive" status. You might be tempted to have a setAlive(boolean alive) method. ...
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Detecting an “invalid date” Date instance in JavaScript

I'd like to tell the difference between valid and invalid date objects in JS, but couldn't figure out how: 46 Answers ...