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How to calculate the SVG Path for an arc (of a circle)
...um's great answer, here's a method for generating an arced path:
function polarToCartesian(centerX, centerY, radius, angleInDegrees) {
var angleInRadians = (angleInDegrees-90) * Math.PI / 180.0;
return {
x: centerX + (radius * Math.cos(angleInRadians)),
y: centerY + (radius * Math....
How to create default value for function argument in Clojure
...ve and/or a different scope (var, local). The partial function can also be mixed with some of the approaches above if desired:
(defn string->integer
([s] (string->integer s 10))
([base s] (Integer/parseInt s base)))
(def hex (partial string->integer 16))
(Note this is slightly diff...
How to write binary data to stdout in python 3?
...
An idiomatic way of doing so, which is only available for Python 3, is:
with os.fdopen(sys.stdout.fileno(), "wb", closefd=False) as stdout:
stdout.write(b"my bytes object")
stdout.flush()
The good part is that it uses t...
How to write a JSON file in C#?
...onConvert.SerializeObject(_data.ToArray());
//write string to file
System.IO.File.WriteAllText(@"D:\path.txt", json);
Or the slightly more efficient version of the above code (doesn't use a string as a buffer):
//open file stream
using (StreamWriter file = File.CreateText(@"D:\path.txt"))
{
...
npm command to uninstall or prune unused packages in Node.js
...pendencies of your package and that of your package's dependencies are not mixed.
– Darkhogg
Apr 18 '14 at 14:30
...
Is there a way to auto-adjust Excel column widths with pandas.ExcelWriter?
...cause I just ran into the same issue and found that the official documentation for Xlsxwriter and pandas still have this functionality listed as unsupported. I hacked together a solution that solved the issue i was having. I basically just iterate through each column and use worksheet.set_column to ...
How to get HTTP Response Code using Selenium WebDriver
....util.Iterator;
import java.util.logging.Level;
import org.json.JSONException;
import org.json.JSONObject;
import org.openqa.selenium.chrome.ChromeDriver;
import org.openqa.selenium.chrome.ChromeOptions;
import org.openqa.selenium.logging.LogEntries;
import org.openqa.selenium.logging.LogEntry;
imp...
How to make join queries using Sequelize on Node.js
... to make sure they are placed into the correct model when returned and not mixed up with the posts model
Other than that you'll notice that it does a JOIN instead of selecting from two tables, but the result should be the same
Further reading:
http://docs.sequelizejs.com/en/latest/docs/associati...
Android: How to stretch an image to the screen width while maintaining aspect ratio?
...he screen horizontally, and stretches vertically to maintain the aspect ratio of the image, on any screen size. Here is my (non-working) code. It stretches the image horizontally, but not vertically, so it is squashed...
...
After array_filter(), how can I reset the keys to go in numerical order starting at 0
...nd how this can silently monkeywrench your project. Here is an array with mixed values in it that will expose the trouble:
$array=['foo',NULL,'bar',0,false,null,'0',''];
Null values will be removed regardless of uppercase/lowercase.
But look at what remains in the array when we use array_values...