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Opposite of %in%: exclude rows with values specified in a vector
A categorical variable V1 in a data frame D1 can have values represented by the letters from A to Z. I want to create a subset D2, which excludes some values, say, B, N and T. Basically, I want a command which is the opposite of %in%
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How to add a progress bar to a shell script?
When scripting in bash or any other shell in *NIX, while running a command that will take more than a few seconds, a progress bar is needed.
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How to remove the first Item from a list?
...st [0, 1, 2, 3, 4] I'd like to make it into [1, 2, 3, 4] . How do I go about this?
10 Answers
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How to toggle a boolean?
Is there a really easy way to toggle a boolean value in javascript ?
6 Answers
6
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Is there a way to define a min and max value for EditText in Android?
...om.test;
import android.text.InputFilter;
import android.text.Spanned;
public class InputFilterMinMax implements InputFilter {
private int min, max;
public InputFilterMinMax(int min, int max) {
this.min = min;
this.max = max;
}
public InputFilterMinMax(String min...
Converting string into datetime
... datetimes. It can handle all sorts of formats, with the format determined by a format string you give it:
from datetime import datetime
datetime_object = datetime.strptime('Jun 1 2005 1:33PM', '%b %d %Y %I:%M%p')
The resulting datetime object is timezone-naive.
Links:
Python documentation f...
Easier way to create circle div than using an image?
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Here's a demo: http://jsfiddle.net/thirtydot/JJytE/1170/
CSS:
.circleBase {
border-radius: 50%;
behavior: url(PIE.htc); /* remove if you don't care about IE8 */
}
.type1 {
width: 100px;
height: 100px;
background: yellow;
border: 3px solid red;
}
.type2 {
width: 50p...
How to get the Power of some Integer in Swift language?
I'm learning swift recently, but I have a basic problem that can't find an answer
20 Answers
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How do I pass an object from one activity to another on Android? [duplicate]
I need to be able to use one object in multiple activities within my app, and it needs to be the same object. What is the best way to do this?
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Get average color of image via Javascript
Not sure this is possible, but looking to write a script that would return the average hex or rgb value for an image. I know it can be done in AS but looking to do it in JavaScript.
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