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How would you go about parsing Markdown? [closed]
... uses an actual parser, is Jon MacFarleane’s peg-markdown. Its parser is based on a Parsing Expression Grammar parser generator called peg.
EDIT: Mauricio Fernandez recently released his Simple Markup Markdown parser, which he wrote as part of his OcsiBlog Weblog Engine. Because the parser is wri...
Installing SciPy with pip
...
Prerequisite:
sudo apt-get install build-essential gfortran libatlas-base-dev python-pip python-dev
sudo pip install --upgrade pip
Actual packages:
sudo pip install numpy
sudo pip install scipy
Optional packages:
sudo pip install matplotlib OR sudo apt-get install python-matplotlib
su...
How do I replace NA values with zeros in an R dataframe?
...
The dplyr hybridized options are now around 30% faster than the Base R subset reassigns. On a 100M datapoint dataframe mutate_all(~replace(., is.na(.), 0)) runs a half a second faster than the base R d[is.na(d)] <- 0 option. What one wants to avoid specifically is using an ifelse() or ...
How do I prevent site scraping? [closed]
I have a fairly large music website with a large artist database. I've been noticing other music sites scraping our site's data (I enter dummy Artist names here and there and then do google searches for them).
...
How can I detect if a file is binary (non-text) in python?
...me good answers here: stackoverflow.com/questions/1446549/… The answer based on an activestate recipe looks good to me, it allows a small proportion of non-printable characters (but no \0, for some reason).
– Sam Watkins
Mar 14 '13 at 2:57
...
Tables instead of DIVs [duplicate]
... Agreed. Years ago when I was first stepping away from table-based layouts, I had the whole "use divs" mantra drilled into my brain. The resulting code was even less semantic. Once you get to know HTML and all it offers, you learn to write meaningful code and it all becomes simple.
...
Understanding :source option of has_one/has_many through of Rails
... have three models, Pet, Dog and Dog::Breed.
class Pet < ActiveRecord::Base
has_many :dogs
end
class Dog < ActiveRecord::Base
belongs_to :pet
has_many :breeds
end
class Dog::Breed < ActiveRecord::Base
belongs_to :dog
end
In this case, we've chosen to namespace the Dog::Breed, b...
How can I catch all the exceptions that will be thrown through reading and writing a file?
...f exception at all.
}
The reason that works is because Exception is the base class for all exceptions. Thus any exception that may get thrown is an Exception (Uppercase 'E').
If you want to handle your own exceptions first simply add a catch block before the generic Exception one.
try{
}c...
Display Animated GIF
.../android_asset/name.gif for resources in asset folder), and in loadDataWithBaseURL(), you don't need to set base URL, on the other hand, it's similar to loadData() method.
String gifName = "name.gif";
String yourData = "<html style=\"margin: 0;\">\n" +
" <body style=\"margin: 0;\...
`ui-router` $stateParams vs. $state.params
...n the two is more than just a matter of context. $stateParams captures url-based params that $state considers applies to that state, even if its child state contains more params. $state.params seems to capture all url + non-url based params of the current state you are in. If you are in state parent...