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How can I add an item to a IEnumerable collection?
My question as title above. For example,
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Difference between as.POSIXct/as.POSIXlt and strptime for converting character vectors to POSIXct/PO
I have followed a number of questions here that asks about how to convert character vectors to datetime classes. I often see 2 methods, the strptime and the as.POSIXct/as.POSIXlt methods. I looked at the 2 functions but am unclear what the difference is.
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Is there any overhead to declaring a variable within a loop? (C++)
I am just wondering if there would be any loss of speed or efficiency if you did something like this:
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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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Is there a “standard” format for command line/shell help text?
If not, is there a de facto standard? Basically I'm writing a command line help text like so:
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How to add a spinner icon to button when it's in the Loading state?
Twitter Bootstrap's buttons have a nice Loading... state available.
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When do you use varargs in Java?
I'm afraid of varargs. I don't know what to use them for.
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Questions every good Java/Java EE Developer should be able to answer? [closed]
I was going through Questions every good .Net developer should be able to answer and was highly impressed with the content and approach of this question, and so in the same spirit, I am asking this question for Java/Java EE Developer.
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Cannot install packages using node package manager in Ubuntu
NodeJS interpreter name( node ) on Ubuntu has been renamed to nodejs because of a name conflict with another package. Here's what the readme. Debian says:
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