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Set margin size when converting from Markdown to PDF with pandoc
I have created an RMarkdown file in RStudio and managed to knit it with knitr into an HTML and .md file. Next, I used pandoc to convert the .md file into a PDF file (I get an error if I try and convert from the .html file). However, the PDF that is produced have massive margins (like this http://...
How to make CSS3 rounded corners hide overflow in Chrome/Opera
I need round corners on a parent div to mask content from its childen. overflow: hidden works in simple situations, but breaks in webkit based browsers and Opera when the parent is positioned relatively or absolutely.
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How to force cp to overwrite without confirmation
I'm trying to use the cp command and force an overwrite.
16 Answers
16
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How to check whether a variable is a class or not?
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Even better: use the inspect.isclass function.
>>> import inspect
>>> class X(object):
... pass
...
>>> inspect.isclass(X)
True
>>> x = X()
>>> isinstance(x, X)
True
>>> y = 25
>>> isinstance(...
SQL Server SELECT LAST N Rows
This is a known question but the best solution I've found is something like:
18 Answers
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Allow CORS REST request to a Express/Node.js application on Heroku
I've written a REST API on the express framework for node.js that works for requests from the js console in Chrome, and URL bar, etc. I'm now trying to get it working for requests from another app, on a different domain (CORS).
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Disable migrations when running unit tests in Django 1.7
...und, posted by Bernie Sumption to the Django developers mailing list:
If makemigrations has not yet been run, the "migrate" command treats
an app as unmigrated, and creates tables directly from the models just
like syncdb did in 1.6. I defined a new settings module just for unit
tests call...
Basic http file downloading and saving to disk in python?
I'm new to Python and I've been going through the Q&A on this site, for an answer to my question. However, I'm a beginner and I find it difficult to understand some of the solutions. I need a very basic solution.
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How to reuse an ostringstream?
...derlying buffer) so that my app doesn't have to do as many allocations. How do I reset the object to its initial state?
4 ...
Why is char[] preferred over String for passwords?
In Swing, the password field has a getPassword() (returns char[] ) method instead of the usual getText() (returns String ) method. Similarly, I have come across a suggestion not to use String to handle passwords.
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