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Convert a list to a data frame
...hich in turn yields FALSE as its default.
Assuming your list of lists is called l:
df <- data.frame(matrix(unlist(l), nrow=length(l), byrow=T))
The above will convert all character columns to factors, to avoid this you can add a parameter to the data.frame() call:
df <- data.frame(matrix(unl...
How do I convert from int to Long in Java?
...o Long. If you cast to long (a primitive value) then it should be automatically boxed to a Long (the reference type that wraps it).
You could alternatively use new to create an instance of Long, initializing it with the int value.
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Where is virtualenvwrapper.sh after pip install?
I'm trying to setup virtualenvwrapper on OSX, and all the instructions and tutorials I've found tell me to add a source command to .profile, pointing towards virtualenvwrapper.sh. I've checked all the python and site-packages directories, and I can't find any virtualenvwrapper.sh. Is this something ...
What's the difference between including files with JSP include directive, JSP include action and usi
...ribute to the current page at translation time. The directive was
originally intended for static layout templates, like HTML headers.
2) The <jsp:include> standard action:
<jsp:include page="header.jsp" />
Dynamic: adds the content from the value of the page attribute to...
How does Tortoise's non recursive commit work?
I've checked out a copy of the SVN branch (my branch) locally to which I've merged from a different branch (which has a completely different folder structure). So basically there are a lot of deletions (of old files) and additions (of new files).
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Remove empty lines in text using Visual Studio
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^\s+$\n changed to ^\s*$\n allow for (no content) pure line feeds.
– Joe Johnston
Jan 6 '15 at 16:15
4
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Best way to add page specific JavaScript in a Rails 3 app?
...equire jquery
//= require jquery_ujs
//= require_tree ./global // requires all js files in global folder
in a new admin.js manifest file
//= require_tree ./admin // requires all js files in admin folder
Make sure this new js manifest is loaded by editing config/production.rb
config.assets.prec...
Are 2^n and n*2^n in the same time complexity?
...out when it is okay to ignore terms in a time complexity equation, specifically with non-polynomial examples.
5 Answers
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.NET String.Format() to add commas in thousands place for a number
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@MacSigler It's actually not true, see Roger Lipscombe's comment on the answer above: String.Format will apply localization automatically.
– Dan Bechard
Oct 17 '13 at 19:34
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Django development IDE [closed]
I have done a little Django development, but it has all been in a text editor. I was curious what more advanced development tools others are using in their Django development.
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