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How do I convert a byte array to Base64 in Java?
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Java 8+
Encode or decode byte arrays:
byte[] encoded = Base64.getEncoder().encode("Hello".getBytes());
println(new String(encoded)); // Outputs "SGVsbG8="
byte[] decoded = Base64.getDecoder().decode(encoded);
println(new String(decoded))...
What is a memory fence?
What is meant by using an explicit memory fence?
4 Answers
4
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HTML list-style-type dash
Is there a way to create a list-style in HTML with a dash (i.e. - or – – or — — ) i.e.
17 Answer...
When to use nil, blank, empty? [duplicate]
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nil? - checks to see if variable is referencing an object or not
empty? - may be used to check on various object types like empty string "" or empty array []
blank? - checks for nil? or empty?.
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$http get parameters does not work
Does anyone know why this does not work?
2 Answers
2
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How to get a Fragment to remove itself, i.e. its equivalent of finish()?
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What I don't understand is what to do in Df when 'OK' is pressed in order to remove fragments Df, Cf, and Bf?
Step #1: Have Df tell D "yo! we got the OK click!" via calling a method, either on the activity itself, or on an interface instance supplied by the activity.
Step #2: Have D remove...
How can I ignore everything under a folder in Mercurial
I am looking for an expression for the .hgignore file, to ignore all files beneath a specified folder.
6 Answers
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How do you clear Apache Maven's cache?
Recently, Apache Maven seems to be having caching issues. Performing clean installs on our projects using Windows Vista or Windows 7 sometimes produce artifacts with the same data as a previous build even though the newer artifact's files should have been updated.
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git ahead/behind info between master and branch?
I have created a branch for testing in my local repo ( test-branch ) which I pushed to Github .
5 Answers
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Proper MIME media type for PDF files
When working with PDFs, I've run across the MIME types application/pdf and application/x-pdf among others.
3 Answers
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