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File to byte[] in Java
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It depends on what best means for you. Productivity wise, don't reinvent the wheel and use Apache Commons. Which is here FileUtils.readFileToByteArray(File input).
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What is this 'Lambda' everyone keeps speaking of?
What is this 'Lambda' everyone keeps speaking of? A lot of people seem to love it, but all I can gather from it is it is just a way of cramming lots of lines of code into a single expression.
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How to import a class from default package
I am using Eclipse 3.5 and I have created a project with some package structure along with the default package. I have one class in default package - Calculations.java and I want to make the use of that class in any of the package (for instance in com.company.calc ). When I try to make the use of...
Difference between HashMap, LinkedHashMap and TreeMap
What is the difference between HashMap , LinkedHashMap and TreeMap in Java?
I don't see any difference in the output as all the three has keySet and values . What are Hashtable s?
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What's the main difference between int.Parse() and Convert.ToInt32
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If you've got a string, and you expect it to always be an integer (say, if some web service is handing you an integer in string format), you'd use Int32.Parse().
If you're collecting input from a user, you'd generally use Int32.TryParse(), sin...
CentOS 64 bit bad ELF interpreter
I have just installed CentOS 6 64bit version, I'm trying to install a 32-bit application on a 64-bit machine and got this error:
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How to calculate time difference in java?
...:00 from 19:00:00. Is there any java function for this? The results can be in milliseconds, seconds, or minutes.
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How do I set up email confirmation with Devise?
Is there a tutorial out there that explains how to set up Devise's signup confirmation email from scratch (in both development and production), i.e. if you don't have Action Mailer set up?
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Understanding the main method of python [duplicate]
I am new to Python, but I have experience in other OOP languages. My course does not explain the main method in python.
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Getting a list of associative array keys
I have an associative array in JavaScript:
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