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Equation for testing if a point is inside a circle
...t wish i would of found this resource quicker. Where does the value x come from?
– Devin Tripp
Apr 1 '15 at 8:07
2
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Why Choose Struct Over Class?
Playing around with Swift, coming from a Java background, why would you want to choose a Struct instead of a Class? Seems like they are the same thing, with a Struct offering less functionality. Why choose it then?
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No line-break after a hyphen
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The reason why the result may differ from a normal hyphen is that many fonts do not contain the non-breaking hyphen. This forces browsers to use a different font, and while the non-breaking hyphen looks the same as normal hyphen in that font, there is no guarant...
Why does casting int to invalid enum value NOT throw exception?
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Taken from Confusion with parsing an Enum
This was a decision on the part of the people who created .NET. An enum is backed by another value type (int, short, byte, etc), and so it can actually have any value that is valid for tho...
Entity Framework DateTime and UTC
...; set; }
}
With this in place, whenever Entity Framework loads an entity from the database, it will set the DateTimeKind that you specify, such as UTC.
Note that this doesn't do anything when saving. You'll still have to have the value properly converted to UTC before you try to save it. But it...
Rank items in an array using Python/NumPy, without sorting array twice
... mind the dependency on scipy, you can use scipy.stats.rankdata:
In [22]: from scipy.stats import rankdata
In [23]: a = [4, 2, 7, 1]
In [24]: rankdata(a)
Out[24]: array([ 3., 2., 4., 1.])
In [25]: (rankdata(a) - 1).astype(int)
Out[25]: array([2, 1, 3, 0])
A nice feature of rankdata is that ...
Javascript “Not a Constructor” Exception while creating objects
...const processor = new Processor() //fails with the error
import Processor from './processor'
const processor = new Processor() // succeeds
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JavaScript equivalent of jQuery's extend method
...extend method to fill in a new object, settings with any default values from the default object if they weren't specified in the config object:
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Cannot set content-type to 'application/json' in jQuery.ajax
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It would seem that removing http:// from the url option ensures the the correct HTTP POST header is sent.
I dont think you need to fully qualify the name of the host, just use a relative URL as below.
$.ajax({
type: "POST",
contentType: "applic...
How to set size for local image using knitr for markdown?
... png package for example and plot it like a regular plot using grid.raster from the grid package.
```{r fig.width=1, fig.height=10,echo=FALSE}
library(png)
library(grid)
img <- readPNG("path/to/your/image")
grid.raster(img)
```
With this method you have full control of the size of you image....