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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 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
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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...
Array vs. Object efficiency in JavaScript
...The short version: Arrays are mostly faster than objects. But there is no 100% correct solution.
Update 2017 - Test and Results
var a1 = [{id: 29938, name: 'name1'}, {id: 32994, name: 'name1'}];
var a2 = [];
a2[29938] = {id: 29938, name: 'name1'};
a2[32994] = {id: 32994, name: 'name1'};
var o = ...
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...
Calculate a MD5 hash from a string
...string.
It works well and generates a 32-character hex string like this:
900150983cd24fb0d6963f7d28e17f72
16 Answers
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vbscript output to console
... shoosh
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answered Dec 7 '10 at 23:30
Evan AndersonEvan Anderson
11....
Passing data to Master Page in ASP.NET MVC
...ode only and is not intended to compile as is. Designed for ASP.Net MVC 1.0.
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