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Extract a dplyr tbl column as a vector
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With dplyr 0.7.0, you can use pull to get a vector from a tbl.
library("dplyr")
#>
#> Attaching package: 'dplyr'
#> The following objects are masked from 'package:stats':
#>
#> filter, lag
#> The following ob...
How can I debug javascript on Android?
...HOW JAVASCRIPT CONSOLE at the top of the Browser.
Currently in Android 4.0.3 (Ice Cream Sandwich), the logcat outputs to the browser channel. So you can filter using adb logcat browser:* *:S.
Original Answer
You can use the built in console JavaScript object to print log messages that you can ...
Benchmarking (python vs. c++ using BLAS) and (numpy)
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edited Sep 30 '11 at 18:19
answered Sep 30 '11 at 18:00
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How to loop over directories in Linux?
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130
cd /tmp
find . -maxdepth 1 -mindepth 1 -type d -printf '%f\n'
A short explanation:
find fin...
Android SDK on a 64-bit linux machine
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answered Apr 26 '10 at 0:27
Matt HugginsMatt Huggins
70.9k3131 gold badges136136 silver badges214214 bronze badges
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How to distinguish mouse “click” and “drag”
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Rivenfall
80466 silver badges1414 bronze badges
answered May 18 '11 at 9:03
wong2wong2
26...
How do I change the font size of a UILabel in Swift?
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602
You can do it like this:
label.font = UIFont(name: label.font.fontName, size: 20)
Or like th...
Illegal pattern character 'T' when parsing a date string to java.util.Date
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206
Update for Java 8 and higher
You can now simply do Instant.parse("2015-04-28T14:23:38.521Z") a...
How to add ASP.NET 4.0 as Application Pool on IIS 7, Windows 7
...e of the things that I need to run the application is to select ASP.NET v4.0 as the application pool within IIS.
5 Answers
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How to get index of object by its property in JavaScript?
...ore abstract:
function findWithAttr(array, attr, value) {
for(var i = 0; i < array.length; i += 1) {
if(array[i][attr] === value) {
return i;
}
}
return -1;
}
var Data = [
{id_list: 2, name: 'John', token: '123123'},
{id_list: 1, name: 'Nick', tok...