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How to upper case every first letter of word in a string? [duplicate]

I have a string: "hello good old world" and i want to upper case every first letter of every word, not the whole string with .toUpperCase(). Is there an existing java helper which does the job? ...
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How can you determine a point is between two other points on a line segment?

Let's say you have a two dimensional plane with 2 points (called a and b) on it represented by an x integer and a y integer for each point. ...
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How do I interactively unstage a particular hunk in git?

In git, if I have a couple of hunks from the same file staged in my index, how can I interactively unstage one of them? 3 A...
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Choosing the default value of an Enum type without having to change values

In C#, is it possible to decorate an Enum type with an attribute or do something else to specify what the default value should be, without having the change the values? The numbers required might be set in stone for whatever reason, and it'd be handy to still have control over the default. ...
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How to declare Return Types for Functions in TypeScript

I checked here https://github.com/Microsoft/TypeScript/blob/master/doc/spec.md which is the TypeScript Language Specifications but I couldn't see one thing that how I can declare a return type of the function. I showed what I was expecting in the code below : greet(name:string) :string {} ...
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Using C# reflection to call a constructor

I have the following scenario: 2 Answers 2 ...
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How to show SQL queries run in the Rails console?

When I run queries (e.g. MyModel.where(...) or record.associated_things ) in the console, how can I see the actual database queries being run so I can gain more understanding of what is happening? ...
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Read and overwrite a file in Python

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Getting the current page

In my scroll view, I want to get the current page that's being displayed (maybe page isn't the correct term). I can't find any variable that holds this. But I think it must be held somewhere, since the indicator is able to show which sub-view of the scroll view is currently being displayed. ...
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What does it mean in shell when we put a command inside dollar sign and parentheses: $(command)

I just want to understand following line of code in shell. It is used to get the current working directory. I am aware that $(variable) name return the value inside the variable name, but what is $(command) supposed to return? Does it return the value after executing the command? In that case, w...