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How to add an auto-incrementing primary key to an existing table, in PostgreSQL?
...E statement
– msbyuva
Jun 22 '11 at 20:19
...
Algorithm for classifying words for hangman difficulty levels as “Easy”,“Medium”, or “Hard”
...ix-letter words in the 10,000 most common words in Project Gutenberg as of 2006, the most difficult ten are these:
[(6, 10, 'losing', 'eaoignvwch'),
(6, 10, 'monkey', 'erdstaoync'),
(6, 10, 'pulled', 'erdaioupfh'),
(6, 10, 'slaves', 'erdsacthkl'),
(6, 10, 'supper', 'eriaoubsfm'),
(6, 11, 'hunt...
How to create an array of object literals in a loop?
...
answered Aug 17 '09 at 20:09
RaYellRaYell
64.6k2020 gold badges118118 silver badges148148 bronze badges
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How to capture Curl output to a file?
...url > destfile.x
– kodybrown
Apr 20 '16 at 13:42
2
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Filtering Pandas DataFrames on dates
...el based indexing or .iloc for positional indexing.
For example:
df.loc['2014-01-01':'2014-02-01']
See details here http://pandas.pydata.org/pandas-docs/stable/dsintro.html#indexing-selection
If the column is not the index you have two choices:
Make it the index (either temporarily or permane...
Why does parseInt yield NaN with Array#map?
...'1','2','3'].map(function(num) { return parseInt(num, 10); });
or with ES2015+ syntax:
['1','2','3'].map(num => parseInt(num, 10));
(In both cases, it's best to explicitly supply a radix to parseInt as shown, because otherwise it guesses the radix based on the input. In some older browsers, ...
How do I copy a folder from remote to local using scp? [closed]
...s answer
– Automatico
Jun 26 '14 at 20:48
80
use -p to preserve file modification times, permissi...
Difference between git pull and git pull --rebase
...ite.com/git-pull--rebase
– w0rp
Aug 20 '15 at 9:47
8
It's what I would call a "convenient lie," t...
Use of an exclamation mark in a Git commit message via the command line
...
SiegeXSiegeX
114k2020 gold badges127127 silver badges151151 bronze badges
...
Check if an array contains any element of another array in JavaScript
...
Vanilla JS
ES2016:
const found = arr1.some(r=> arr2.includes(r))
ES6:
const found = arr1.some(r=> arr2.indexOf(r) >= 0)
How it works
some(..) checks each element of the array against a test function and returns true if any...