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Generate a random double in a range

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Copying text to the clipboard using Java

I want to copy text from a JTable 's cell to the clipboard, making it available to be pasted into other programs such as Microsoft Word. I have the text from the JTable , but I am unsure how to copy it to the clipboard. ...
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Why does substring slicing with index out of range work?

Why doesn't 'example'[999:9999] result in error? Since 'example'[9] does, what is the motivation behind it? 3 Answers ...
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Breaking up long strings on multiple lines in Ruby without stripping newlines

We recently decided at my job to a ruby style guide. One of the edicts is that no line should be wider than 80 characters. Since this is a Rails project, we often have strings that are a little bit longer - i.e. " User X wanted to send you a message about Thing Y " that doesn't always fit within the...
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How Should I Declare Foreign Key Relationships Using Code First Entity Framework (4.1) in MVC3?

I have been searching for resources on how to declare foreign key relationships and other constraints using code first EF 4.1 without much luck. Basically I am building the data model in code and using MVC3 to query that model. Everything works via MVC which is great (kudos to Microsoft!) but now I ...
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Frequency table for a single variable

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Spring Expression Language (SpEL) with @Value: dollar vs. hash ($ vs. #)

I'm a little confused concerning when to use ${...} compared to #{...} . Spring's documentation only uses #{...} , but there are plenty of examples that use ${...} . Furthermore, when I started with SpEL I was told to use ${...} and it works fine. ...
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Determine command line working directory when running node bin script

I am creating a node command line interface. It is installed globally and uses a bin file to execute. 5 Answers ...
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Can I incorporate both SignalR and a RESTful API?

I have a single page web app developed using ASP.NET. I recently converted many of the web methods to be push based, using the SignalR library. This really sped up the page considerably and reduced a lot of the server calls from the page. ...
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What is the minimum length of a valid international phone number?

I need to validate user input of an international phone number. According to E.164 , the maximum length is 15 digits, but I was unable to find any information about the minimum. I consider digits only, no plus sign or separators. ...