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When should null values of Boolean be used?
...ns in a collection (List, Map, etc.)
to represent a nullable boolean (coming from a nullable boolean column in a database, for example). The null value might mean "we don't know if it's true or false" in this context.
each time a method needs an Object as argument, and you need to pass a boolean val...
Acronyms in CamelCase [closed]
...s acronym: Unesco = United Nations Educational, Scientific and Cultural Organization.
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What is a classpath and how do I set it?
I was just reading this line:
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How is null + true a string?
Since true is not a string type, how is null + true a string ?
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What is the optimal length for an email address in a database?
Here is an extracted portion of my query, reflecting the EMAIL_ADDRESS column data type and property:
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How to use multiple arguments for awk with a shebang (i.e. #!)?
I'd like to execute an gawk script with --re-interval using a shebang. The "naive" approach of
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What's the difference between a word and byte?
... a word is the smallest unit that can be addressed on memory. The exact length of a word varies. What I don't understand is what's the point of having a byte? Why not say 8 bits?
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How to create a printable Twitter-Bootstrap page
I'm using Twitter-Bootstrap and I need to be able to print the page the way it looks on the browser. I'm able to print other pages made with Twitter-Bootstrap just fine but I can't seem to print my page that uses purely Twitter-Bootstrap. Am I missing a tag somewhere?
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How do I force “git pull” to overwrite local files?
How do I force an overwrite of local files on a git pull ?
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Setting up a git remote origin
I have the following repos.
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