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sed error: “invalid reference \1 on `s' command's RHS”
I run several substitution commands as the core of a colorize script for maven .
One of the sed commands uses a regular expression which works find in the shell as discussed here . The current (not working) implementation can be found here .
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Jackson how to transform JsonNode to ArrayNode without casting?
I am changing my JSON library from org.json to Jackson and I want to migrate the following code:
4 Answers
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Best way to detect Mac OS X or Windows computers with JavaScript or jQuery
So I'm trying to move a "close" button to the left side when the user is on Mac and the right side when the user is on PC. Now I'm doing it by examining the user agent, but it can be too easily spoofed for reliable OS detection. Is there a surefire way to detect whether the OS on which the browser i...
SQL Group By with an Order By
I have a table of tags and want to get the highest count tags from the list.
6 Answers
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UITableView, Separator color where to set?
...e separator color, but the only way I could find to do this was to add the method to one of the delegate callbacks, is there a better place I should put this?
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Convert a timedelta to days, hours and minutes
I've got a timedelta. I want the days, hours and minutes from that - either as a tuple or a dictionary... I'm not fussed.
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Display name of the current file in vim?
How do you display the filename of the file you are working on in vim?
9 Answers
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How to compare times in Python?
I see that date comparisons can be done and there's also datetime.timedelta() , but I'm struggling to find out how to check if the current time ( datetime.datetime.now() ) is earlier, later or the same than a specified time (e.g. 8am) regardless of the date.
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Is it possible to adjust x,y position for titleLabel of UIButton?
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//make the buttons content appear in the top-left
[button setContentHorizontalAlignment:UIControlContentHorizontalAlignmentLeft];
[button setContentVerticalAlignment:UIControlContentVerticalAlignmentTop];
//move text 10 pixels...
What is the difference between gsub and sub methods for Ruby Strings
I have been perusing the documentation for String today, and I saw the :sub method, which I'd never noticed before. I've been using :gsub and it appears that they are essentially the same. Can anyone explain the difference to me? Thanks!
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