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How to convert an int value to string in Go?
...do the job. But Sprintf will use the package reflect, and it will allocate one more object, so it's not an efficient choice.
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How to search through all Git and Mercurial commits in the repository for a certain string?
...lking the commit ancestry chain, walk reflog entries from
the most recent one to older ones.
So you could do this to find a particular string in a commit message that is dangling:
git log -g --grep=search_for_this
Alternatively, if you want to search the changes for a particular string, you c...
How to sort a dataframe by multiple column(s)
... z = c(1, 1, 1, 2))
library(taRifx)
sort(dd, f= ~ -z + b )
If you are one of the original authors of this function, please contact me. Discussion as to public domaininess is here: http://chat.stackoverflow.com/transcript/message/1094290#1094290
You can also use the arrange() function from p...
Why can't radio buttons be “readonly”?
...ript, I suddenly have two fields with the same name, so I have to clean up one of them. Or use the hidden one for real and have the radio button just set the value of the hidden field. Ether way, it's just a bit more cumbersome than I'd like a radiobutton to be. Your second solution, although I don...
String literals: Where do they go?
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There is no one answer to this. The C and C++ standards just say that string literals have static storage duration, any attempt at modifying them gives undefined behavior, and multiple string literals with the same contents may or may no...
converting CSV/XLS to JSON? [closed]
Does anyone know if there is application that will let me convert preferably XLS to JSON?
10 Answers
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Is it better practice to use String.format over string Concatenation in Java?
... automatically only if you are not in a loop. If the concatenation is all done on a single line it's the same as using '+', but if you use myString += "morechars"; or myString += anotherString; on multiple lines you'll notice that more than one StringBuilder might be created, so using "+" is not alw...
TDD vs. Unit testing [closed]
...was not creating any unit tests before. This feels like a nice stepping stone to full TDD.
– Walter
Nov 16 '09 at 17:01
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Difference between java.lang.RuntimeException and java.lang.Exception
Someone please explain the difference between java.lang.RuntimeException and java.lang.Exception ? How do I decide which one to extend if I create my own exception?
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Interactive search/replace regex in Vim?
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I'm honestly not trying to come across as snarky, but all of this could have been found by doing ":help :s" which would have led you straight to ":help :s_flags".
– Jeremy Cantrell
Feb 5 '09 ...