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How do I remove the passphrase for the SSH key without having to create a new key?
...ating a new SSH key on my laptop. But, as I realise now, this is quite painful when you are trying to commit ( Git and SVN ) to a remote location over SSH many times in an hour.
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sed beginner: changing all occurrences in a folder
I need to do a regex find and replace on all the files in a folder (and its subfolders). What would be the linux shell command to do that?
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In Python, if I return inside a “with” block, will the file still close?
Consider the following:
4 Answers
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How do you perform a left outer join using linq extension methods
Assuming I have a left outer join as such:
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How to get a specific output iterating a hash in Ruby?
I want to get a specific output iterating a Ruby Hash.
6 Answers
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How can I clear an HTML file input with JavaScript?
I want to clear the file input in my form.
18 Answers
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Greedy vs. Reluctant vs. Possessive Quantifiers
I found this excellent tutorial on regular expressions and while I intuitively understand what "greedy", "reluctant" and "possessive" quantifiers do, there seems to be a serious hole in my understanding.
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What are all the uses of an underscore in Scala?
I've taken a look at the list of surveys taken on scala-lang.org and noticed a curious question: " Can you name all the uses of “_”? ". Can you? If yes, please do so here. Explanatory examples are appreciated.
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Why is “while ( !feof (file) )” always wrong?
I've seen people trying to read files like this in a lot of posts lately:
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Throwing cats out of windows
Imagine you're in a tall building with a cat. The cat can survive a fall out of a low story window, but will die if thrown from a high floor. How can you figure out the longest drop that the cat can survive, using the least number of attempts?
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