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Installing PG gem on OS X - failure to build native extension
...ompt you to update the Xcode build tools)
brew update
brew install postgresql
After that gem install pg worked for me.
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Is it possible to apply CSS to half of a character?
...s from collapsing */
}
.halfStyle:before {
display: block;
z-index: 1;
position: absolute;
top: 0;
left: 0;
width: 50%;
content: attr(data-content); /* dynamic content for the pseudo element */
overflow: hidden;
color: #f00;
}
<script src="https:...
Are there pronounceable names for common Haskell operators? [closed]
...s " " [whitespace])
. pipe to a . b: "b pipe-to a"
!! index
! index / strict a ! b: "a index b", foo !x: foo strict x
<|> or / alternative expr <|> term: "expr or term"
++ concat / plus / append
[] empty list
: cons
:: of type / as ...
Which Java Collection should I use?
...presenting a Collection whose elements are ordered and each have a numeric index representing its position, where zero is the first element, and (length - 1) is the last.
ArrayList: A List backed by an array, where the array has a length (called "capacity") that is at least as large as the number o...
Version of SQLite used in Android?
What is the version of SQLite used in Android?
5 Answers
5
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Android SDK Manager Not Installing Components
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@willtate, I asked the question at stackoverflow.com/q/10470593/410975 and it worked in the end but through a weird route of changing the name of the folder it could not access then back again.. it works but through a mystery of actions.
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How to split/partition a dataset into training and test datasets for, e.g., cross validation?
...ation import StratifiedKFold
skf = StratifiedKFold(y, n_folds=5)
for train_index, test_index in skf:
print("TRAIN:", train_index, "TEST:", test_index)
X_train, X_test = X[train_index], X[test_index]
y_train, y_test = y[train_index], y[test_index]
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How do I fix the indentation of an entire file in Vi?
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@Fábio: '' (two single quotes) takes you back to where you were so gg=G'' should indent then return.
– Nemo157
Aug 31 '11 at 23:45
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How to check if a file is empty in Bash?
...y good answer and should be the accepted one. Using -s does not answer the question. It looks for a file that does exist and has a size of more than 0 bytes.
– Akito
May 21 at 11:36
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Renaming columns in pandas
... don't do that. Looks like that's a list generated independent of whatever indexing stores the column name. Does a nice job destroying column naming for your df...
– Mitch Flax
Mar 11 '14 at 18:42
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