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Extracting specific columns in numpy array
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277
I assume you wanted columns 1 and 9?
To select multiple columns at once, use
X = data[:, [1, 9...
How to implement onBackPressed() in Fragments?
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CRON job to run on the last day of the month
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Possibly the easiest way is to simply do three separate jobs:
55 23 30 4,6,9,11 * myjob.sh
55 23 31 1,3,5,7,8,10,12 * myjob.sh
55 23 28 2 * myjob.sh
That will run on the 28th of February though, even on leap years so, if that's a problem, you'll need to find another ...
How to generate unique ID with node.js
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function generate(count, k) {
var _sym = 'abcdefghijklmnopqrstuvwxyz1234567890',
var str = '';
for(var i = 0; i < count; i++) {
str += _sym[parseInt(Math.random() * (_sym.length))];
}
base.getID(str, function(err, res) {
if(!res.length) {
k(str) ...
How to get duration, as int milli's and float seconds from ?
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answered Jan 18 '13 at 2:33
Howard HinnantHoward Hinnant
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Is there a way to 'pretty' print MongoDB shell output to a file?
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217
The shell provides some nice but hidden features because it's an interactive environment.
Whe...
How to ignore user's time zone and force Date() use specific time zone
In an JS app, I receive timestamp (eq. 1270544790922 ) from server (Ajax).
7 Answers
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SQL command to display history of queries
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Baby Groot
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answered Jun 10 '14 at 6:18
Maysam TorabiMaysam T...
How to Flatten a Multidimensional Array?
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29 Answers
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How do I show multiple recaptchas on a single page?
I have 2 forms on a single page. One of the forms has a recaptcha displaying all the time. The other should display a recaptcha only after a certain event such as maxing out login attempts. So there are times when I would need 2 recaptchas to appear on the same page. Is this possible? I know I ...