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Java: convert List to a String
JavaScript has Array.join()
22 Answers
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Does Java casting introduce overhead? Why?
Is there any overhead when we cast objects of one type to another? Or the compiler just resolves everything and there is no cost at run time?
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Git push won't do anything (everything up-to-date)
I'm trying to update a Git repository on GitHub. I made a bunch of changes, added them, committed then attempted to do a git push . The response tells me that everything is up to date, but clearly it's not.
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Why is this program erroneously rejected by three C++ compilers?
I am having some difficulty compiling a C++ program that I've written.
31 Answers
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How do you copy the contents of an array to a std::vector in C++ without looping?
I have an array of values that is passed to my function from a different part of the program that I need to store for later processing. Since I don't know how many times my function will be called before it is time to process the data, I need a dynamic storage structure, so I chose a std::vector ....
How do you create a dictionary in Java? [closed]
I am trying to implement a dictionary (as in the physical book). I have a list of words and their meanings.
4 Answers
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Something better than .NET Reflector? [closed]
I used to love .NET Reflector back in the day, but ever since Red Gate Software took over it has gone downhill dramatically. Now it forces me to update (which is absolutely ridiculous), half the time the update doesn't go smoothly, and it is increasingly hindering my productivity with each update. I...
Formatting Decimal places in R
I have a number, for example 1.128347132904321674821 that I would like to show as only two decimal places when output to screen (or written to a file). How does one do that?
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Way to go from recursion to iteration
I've used recursion quite a lot on my many years of programming to solve simple problems, but I'm fully aware that sometimes you need iteration due to memory/speed problems.
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What's the equivalent of use-commit-times for git?
I need the timestamps of files on my local and on my server to be in sync. This is accomplished with Subversion by setting use-commit-times=true in the config so that the last modified of each file is when it was committed.
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