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How to set Oracle's Java as the default Java in Ubuntu?

... new version. If you want to set JAVA_HOME environment variables globally and at system level means use should set in /etc/environment file. share | improve this answer | fo...
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minimum double value in C/C++

Is there a standard and/or portable way to represent the smallest negative value (e.g. to use negative infinity) in a C(++) program? ...
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What's the difference between size_t and int in C++?

...pe size_t where I would have used a simple int . What's the difference, and why size_t should be better? 5 Answers ...
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Start / Stop a Windows Service from a non-Administrator user account

I have a WindowsService named, say, BST. And I need to give a non-Administrator user, UserA, the permissions to Start/Stop this particular service. My service runs on a variety of Windows OS, starting from Windows Server 2003 to Windows 7. ...
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How can I set up an editor to work with Git on Windows?

I'm trying out Git on Windows . I got to the point of trying "git commit" and I got this error: 33 Answers ...
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REST vs JSON-RPC? [closed]

I'm trying to chose between REST and JSON-RPC for developing an API for a web application. How do they compare? 15 Answers ...
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Is there a rule-of-thumb for how to divide a dataset into training and validation sets?

Is there a rule-of-thumb for how to best divide data into training and validation sets? Is an even 50/50 split advisable? Or are there clear advantages of having more training data relative to validation data (or vice versa)? Or is this choice pretty much application dependent? ...
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ContextLoaderListener or not?

A standard spring web application (created by Roo or "Spring MVC Project" Template) create a web.xml with ContextLoaderListener and DispatcherServlet . Why do they not only use the DispatcherServlet and make it to load the complete configuration? ...
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What does the CSS rule “clear: both” do?

...th; OR what does clear: both; exactly do... I'll keep this answer simple, and to the point, and will explain to you graphically why clear: both; is required or what it does... Generally designers float the elements, left or to the right, which creates an empty space on the other side which allows ...
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Should I use a data.frame or a matrix?

When should one use a data.frame , and when is it better to use a matrix ? 6 Answers ...