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Generating v5 UUID. What is name and namespace?

I've read the man page, but I do not undestand what name and namespace are for. 3 Answers ...
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Compiler Ambiguous invocation error - anonymous method and method group with Func or Action

I have a scenario where I want to use method group syntax rather than anonymous methods (or lambda syntax) for calling a function. ...
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What is the maven-shade-plugin used for, and why would you want to relocate Java packages?

I found the maven-shade-plugin being used in someone's pom.xml. I've never used maven-shade-plugin before (and I'm a Maven n00b) so I tried to understand the reason for using this and what it does. ...
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Using Java with Nvidia GPUs (CUDA)

I'm working on a business project that is done in Java, and it needs huge computation power to compute business markets. Simple math, but with huge amount of data. ...
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To draw an Underline below the TextView in Android

I want to draw the underline below my TextView . I have searched a few content but couldn't find out anything fruitful. 7 ...
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How do you echo a 4-digit Unicode character in Bash?

I'd like to add the Unicode skull and crossbones to my shell prompt (specifically the 'SKULL AND CROSSBONES' (U+2620)), but I can't figure out the magic incantation to make echo spit it, or any other, 4-digit Unicode character. Two-digit one's are easy. For example, echo -e "\x55", . ...
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Check whether a variable is a string in Ruby

... I think you are looking for instance_of?. is_a? and kind_of? will return true for instances from derived classes. class X < String end foo = X.new foo.is_a? String # true foo.kind_of? String # true foo.instance_of? ...
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to drawRect or not to drawRect (when should one use drawRect/Core Graphics vs subviews/images and wh

To clarify the purpose of this question: I know HOW to create complicated views with both subviews and using drawRect. I'm trying to fully understand the when's and why's to use one over the other. ...
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Understanding PrimeFaces process/update and JSF f:ajax execute/render attributes

What exactly are process and update in PrimeFaces p:commandXxx components and execute and render in f:ajax tag? ...
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ActiveRecord: size vs count

In Rails, you can find the number of records using both Model.size and Model.count . If you're dealing with more complex queries is there any advantage to using one method over the other? How are they different? ...