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UnboundLocalError on local variable when reassigned after first use
..., and UnboundLocalErrors happen when a variable is read and its associated index still has the placeholder value.
– ShadowRanger
Mar 25 '16 at 19:49
...
Shading a kernel density plot between two points.
...ge and I believe we had similar questions here too.
You need to find the index of the quantile values to get the actual (x,y) pairs.
Edit: Here you go:
x1 <- min(which(dens$x >= q75))
x2 <- max(which(dens$x < q95))
with(dens, polygon(x=c(x[c(x1,x1:x2,x2)]), y= c(0, y[x1:x2], 0), ...
Custom domain for GitHub project pages
...ave two options:
Choosing master branch will treat /README.md as your web index.html. Choosing master branch /docs folder will treat /docs/README.md as your web index.html.
Choose a theme.
Wait a minute while GitHub publishes your site. Verify it works by clicking on the link next to Your site is...
Function to calculate distance between two coordinates
...
What you're using is called the haversine formula, which calculates the distance between two points on a sphere as the crow flies. The Google Maps link you provided shows the distance as 2.2 km because it's not a straight line.
Wolphram Alpha is...
How to render a PDF file in Android
... Get filename
final String filename = pdfUrl.substring( pdfUrl.lastIndexOf( "/" ) + 1 );
// The place where the downloaded PDF file will be put
final File tempFile = new File( context.getExternalFilesDir( Environment.DIRECTORY_DOWNLOADS ), filename );
if ( tempFile.ex...
Best way to center a on a page vertically and horizontally? [duplicate]
...background-color: cyan;
border: darkgreen 5px solid;
padding: 5px;
z-index: 100;
}
table {
position: absolute;
top: 0;
left: 0;
}
td {
position: relative;
top: 0;
left: 0;
}
<table>
<tr>
<td>
<div class="centered">This div<br /&...
How to access cookies in AngularJS?
... on if you used $cookie to store value or $cookieStore. Of course, you'd really want to use one or the other.
In addition to adding reference to the js file you need to inject ngCookies into your app definition such as:
angular.module('myApp', ['ngCookies']);
you should then be good to go.
Her...
Installing specific laravel version with composer create-project
The fastest and simplest way of installing Laravel is via composer command. From the laravel docs ( http://laravel.com/docs/quick ), it shows that we can install it with this:
...
Purpose of ESI & EDI registers?
...
SI = Source Index
DI = Destination Index
As others have indicated, they have special uses with the string instructions. For real mode programming, the ES segment register must be used with DI and DS with SI as in
movsb es:di, ds:si
...
What are the use cases for selecting CHAR over VARCHAR in SQL?
... writing good code (fewer calls to the database) and efficient SQL (how do indexes work, how does the optimizer make decisions, why is exists faster than in usually...).
Final thought: I have seen all sorts of problems with use of CHAR, people looking for '' when they should be looking for ' ', ...