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Selecting data frame rows based on partial string match in a column
...emember that subsetting approaches for data.frames and data.tables are not identical):
library(data.table)
mtcars[rownames(mtcars) %like% "Merc", ]
iris[iris$Species %like% "osa", ]
If that is what you had, then perhaps you had just mixed up row and column positions for subsetting data.
If you...
How to change the color of an svg element?
...{
display: none;
}
.no-svg .my-svg-alternate {
display: block;
width: 100px;
height: 100px;
background-image: url(image.png);
}
<svg width="96px" height="96px" viewBox="0 0 512 512" enable-background="new 0 0 512 512" xml:space="preserve">
<path id="time-3-icon" d="M256,...
How do I add an icon to a mingw-gcc compiled executable?
... to create a RC file with the below content. Here we'll name it as my.rc.
id ICON "path/to/my.ico"
The id mentioned in the above command can be pretty much anything. It doesn't matter unless you want to refer to it in your code. Then run windres as follows:
windres my.rc -O coff -o my.res
Then...
What is the best collation to use for MySQL with PHP? [closed]
...odings should be the same, such as MySQL, Apache, the HTML and anything inside PHP.
11 Answers
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Uploading base64 encoded Image to Amazon S3 via Node.js
Yesterday I did a deep night coding session and created a small node.js/JS (well actually CoffeeScript, but CoffeeScript is just JavaScript so lets say JS) app.
...
differentiate null=True, blank=True in django
...anslating to None in Python) if you set null=True. The docs even say to avoid setting null=True because it allows two different kinds of "blanky" values. I just tested this behaviour with Django 1.8/MySQL 5.6
– Edward D'Souza
Aug 3 '16 at 17:14
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Defining custom attrs
I need to implement my own attributes like in com.android.R.attr
5 Answers
5
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How can I access getSupportFragmentManager() in a fragment?
...ur fragment,
Create field :
private FragmentActivity myContext;
override onAttach method of your fragment :
@Override
public void onAttach(Activity activity) {
myContext=(FragmentActivity) activity;
super.onAttach(activity);
}
When you need to get Support fragment manager call :
...
Error when testing on iOS simulator: Couldn't register with the bootstrap server
...
Restart didnt help
– Pascal Klein
Apr 15 '11 at 15:59
10
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How to change color in circular progress bar?
I am using circular progress bar on Android. I wish to change the color of this. I am using
22 Answers
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