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How to convert a char array back to a string?
...very unusual situation: Because String is handled specially in Java, even "foo" is actually a String. So the need for splitting a String into individual chars and join them back is not required in normal code.
Compare this to C/C++ where "foo" you have a bundle of chars terminated by a zero byte on...
Rollback to an old Git commit in a public repo
How can I go about rolling back to a specific commit in git ?
11 Answers
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Any way to exit bash script, but not quitting the terminal
...unctions that that called script needs access to. Better to explain how to set a return code and then process it in runs.sh @ruakh has the better answer to this question.
– MikeSchinkel
Aug 28 '16 at 17:08
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What's the state of the art in email validation for Rails?
What are you using to validate users' email addresses, and why?
13 Answers
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nvm keeps “forgetting” node in new terminal session
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Try nvm alias default. For example:
$ nvm alias default 0.12.7
This sets the default node version in your shell. Then verify that the change persists by closing the shell window, opening a new one, then:
node --version
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How does a Java HashMap handle different objects with the same hash code?
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hashset internally uses hashmap. does addition and deletion rules of hashmap, holds good for hashset?
– overexchange
Oct 6 '17 at 1:00
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How do I make a semi transparent background?
I need to make a white background 50% transparent without affecting anything else. How do I do it?
8 Answers
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clear javascript console in Google Chrome
I was wondering if I could clear up the console with some command..
19 Answers
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How to sort in-place using the merge sort algorithm?
I know the question is not too specific.
10 Answers
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