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0.1 float is greater than 0.1 double. I expected it to be false [duplicate]
... mode when converting the double to float. float has 24 binary bits of precision, and double has 53. In binary, 0.1 is:
0.1₁₀ = 0.0001100110011001100110011001100110011001100110011…₂
^ ^ ^ ^
1 10 20 24
So if we round up at the 24th ...
What is the difference between typeof and instanceof and when should one be used vs. the other?
...ect
{} instanceof Object; // true
typeof {}; // object
And the last one is a little bit tricky:
typeof null; // object
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Traits vs. interfaces
...ing to necessarily inherit from an abstract class. What I don't understand is: What is the crucial difference between using traits versus interfaces?
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get client time zone from browser [duplicate]
Is there a reliable way to get a timezone from client browser? I saw the following links but I want a more robust solution.
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When would you use the Builder Pattern? [closed]
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The key difference between a builder and factory IMHO, is that a builder is useful when you need to do lots of things to build an object. For example imagine a DOM. You have to create plenty of nodes and attributes to get your final object. A factory is used when the factory can ...
What is the difference between Collection and List in Java?
What is the difference between Collection and List in Java? When should I use which?
7 Answers
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Why Choose Struct Over Class?
...s are preferable if they are relatively small and copiable because copying is way safer than having multiple references to the same instance as happens with classes. This is especially important when passing around a variable to many classes and/or in a multithreaded environment. If you can always s...
What is this weird colon-member (“ : ”) syntax in the constructor?
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It's a member initialization list. You should find information about it in any good C++ book.
You should, in most cases, initialize all member objects in the member initialization list (however, do note the exceptions listed at the end of the FAQ entry)...
Handling InterruptedException in Java
What is the difference between the following ways of handling InterruptedException ? What is the best way to do it?
7 Answ...
Difference between API and ABI
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The API is what humans use. We write source code. When we write a program and want to use some library function we write code like:
long howManyDecibels = 123L;
int ok = livenMyHills( howManyDecibels);
and we needed to know that...