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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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How do I install imagemagick with homebrew?
...ocal
git reset --hard FETCH_HEAD
Then I retried brew install imagemagick and it correctly pulled the package from the new mirror, instead of adamv.
If that does not work, ensure that /Library/Caches/Homebrew does not contain any imagemagick files or folders. Delete them if it does.
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Autocomplete applying value not label to textbox
...s to update the input with ui.item.value. This code runs after your event handler.
Simply return false or call event.preventDefault() to prevent this from occurring. I would also recommend doing something similar for the focus event to prevent ui.item.value from being placed in the input as the us...
JSP : JSTL's tag
...ing- can someone clarify? It mentions a "second case" but I don't see that and I don't see c:out being used in the code.
– IcedDante
Oct 2 '14 at 15:22
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How to execute ipdb.set_trace() at will while running pytest tests
...my_test.py --pdb --pdbcls=IPython.terminal.debugger:Pdb
From the help command:
pytest -h
--pdb start the interactive Python debugger on errors.
--pdbcls=modulename:classname
start a custom interactive Python debugger on errors.
Fo...
jQuery .hasClass() vs .is()
...f determining whether an element is assigned a class, from a performance standpoint?
4 Answers
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how to add records to has_many :through association in rails
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@Mischa how should i handle error if House.find(params[:house_id]) is nill.. i got error of TypeMismatch if params[:house_id] is nil.. i already using rescue. but is there any better_way..??
– Vishal
Jul 30...
How to generate a random alpha-numeric string?
I've been looking for a simple Java algorithm to generate a pseudo-random alpha-numeric string. In my situation it would be used as a unique session/key identifier that would "likely" be unique over 500K+ generation (my needs don't really require anything much more sophisticated).
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Perform Segue programmatically and pass parameters to the destination view
...ue is triggered.
The prepareForSegue:sender: method is called in any case and this is where you pass your parameters across.
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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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