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foreach vs someList.ForEach(){}

There are apparently many ways to iterate over a collection. Curious if there are any differences, or why you'd use one way over the other. ...
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What uses are there for “placement new”?

Has anyone here ever used C++'s "placement new"? If so, what for? It looks to me like it would only be useful on memory-mapped hardware. ...
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How to flush output of print function?

How do I force Python's print function to output to the screen? 13 Answers 13 ...
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Why Java needs Serializable interface?

We work heavily with serialization and having to specify Serializable tag on every object we use is kind of a burden. Especially when it's a 3rd-party class that we can't really change. ...
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How do I create a unique constraint that also allows nulls?

I want to have a unique constraint on a column which I am going to populate with GUIDs. However, my data contains null values for this columns. How do I create the constraint that allows multiple null values? ...
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Is there a VB.NET equivalent of C# out parameters?

Does VB.NET have a direct equivalent to C# out function parameters, where the variable passed into a function does not need to be initialised? ...
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Java8: Why is it forbidden to define a default method for a method from java.lang.Object

Default methods are a nice new tool in our Java toolbox. However, I tried to write an interface that defines a default version of the toString method. Java tells me that this is forbidden, since methods declared in java.lang.Object may not be default ed. Why is this the case? ...
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Show history of a file? [duplicate]

Sometimes I want to step through the history of a particular file. In the past I used P4V and this was very quick and intuitive. ...
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Load a UIView from nib in Swift

Here is my Objective-C code which I'm using to load a nib for my customised UIView : 27 Answers ...
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What is the difference between compare() and compareTo()?

What is the difference between Java's compare() and compareTo() methods? Do those methods give same answer? 16 Answers ...