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How to use Elasticsearch with MongoDB?
...to index MongoDB for use in a NodeJS, Express app on a fresh EC2 Ubuntu 14.04 instance.
Make sure everything is up to date.
sudo apt-get update
Install NodeJS.
sudo apt-get install nodejs
sudo apt-get install npm
Install MongoDB - These steps are straight from MongoDB docs.
Choose whatever ve...
How to flatten only some dimensions of a numpy array
...
Take a look at numpy.reshape .
>>> arr = numpy.zeros((50,100,25))
>>> arr.shape
# (50, 100, 25)
>>> new_arr = arr.reshape(5000,25)
>>> new_arr.shape
# (5000, 25)
# One shape dimension can be -1.
# In this case, the value is inferred from
# the le...
How to change MySQL column definition?
...-definition
e.g.
ALTER TABLE test MODIFY COLUMN locationExpect VARCHAR(120);
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Cause CMAKE to generate an error
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edited Oct 5 '19 at 13:04
squareskittles
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answ...
C++: variable 'std::ifstream ifs' has initializer but incomplete type
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107
This seems to be answered - #include <fstream>.
The message means :-
incomplete type - ...
MySQL Select minimum/maximum among two (or more) given values
... use LEAST and GREATEST function to achieve it.
SELECT
GREATEST(A.date0, B.date0) AS date0,
LEAST(A.date1, B.date1) AS date1
FROM A, B
WHERE B.x = A.x
Both are described here http://dev.mysql.com/doc/refman/5.0/en/comparison-operators.html
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RegEx backreferences in IntelliJ
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edited Jun 29 '16 at 7:02
bradley.ayers
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ans...
How to use ? : if statements with Razor and inline code blocks
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301
This should work:
<span class="vote-up@(puzzle.UserVote == VoteType.Up ? "-selected" : "")"...
Does svn have a `revert-all` command?
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307
You could do:
svn revert -R .
This will not delete any new file not under version control. B...
How to calculate the number of days between two dates? [duplicate]
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const oneDay = 24 * 60 * 60 * 1000; // hours*minutes*seconds*milliseconds
const firstDate = new Date(2008, 1, 12);
const secondDate = new Date(2008, 1, 22);
const diffDays = Math.round(Math.abs((firstDate - secondDate) / oneDay));
...