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Is there a method to generate a UUID with go language

...amp; 0x4F // what's the purpose ? These lines clamp the values of byte 6 and 8 to a specific range. rand.Read returns random bytes in the range 0-255, which are not all valid values for a UUID. As far as I can tell, this should be done for all the values in the slice though. If you are on linux, ...
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How to open every file in a folder?

...have a python script parse.py, which in the script open a file, say file1, and then do something maybe print out the total number of characters. ...
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How to resolve : Can not find the tag library descriptor for “http://java.sun.com/jsp/jstl/core” [du

The Eclipse IDE is showing red underline and when I focus it the tag is : can not find the library descriptor for http://java.sun.com/jsp/jstl/core ...
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Difference between map and collect in Ruby?

I have Googled this and got patchy / contradictory opinions - is there actually any difference between doing a map and doing a collect on an array in Ruby/Rails? ...
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Difference between DTO, VO, POJO, JavaBeans?

...JavaBean is a Java Object that is serializable, has a nullary constructor, and allows access to properties using getter and setter methods. In order to function as a JavaBean class, an object class must obey certain conventions about method naming, construction, and behavior. These conventions ...
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URL encoding the space character: + or %20?

When is a space in a URL encoded to + , and when is it encoded to %20 ? 4 Answers 4 ...
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How do Trigonometric functions work?

So in high school math, and probably college, we are taught how to use trig functions, what they do, and what kinds of problems they solve. But they have always been presented to me as a black box. If you need the Sine or Cosine of something, you hit the sin or cos button on your calculator and you'...
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How do I move forward and backward between commits in git?

I am doing a git bisect and after arriving to the problematic commit, I am now trying to get a step forward/backward to make sure I am in the right one. ...
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How can I create a two dimensional array in JavaScript?

I have been reading online and some places say it isn't possible, some say it is and then give an example and others refute the example, etc. ...
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Convert Pandas column containing NaNs to dtype `int`

I read data from a .csv file to a Pandas dataframe as below. For one of the columns, namely id , I want to specify the column type as int . The problem is the id series has missing/empty values. ...