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How to navigate through textfields (Next / Done Buttons)
...focus next. This is what makes tabbing between text fields work. But since iOS devices do not have a keyboard, only touch, this concept has not survived the transition to Cocoa Touch.
This can be easily done anyway, with two assumptions:
All "tabbable" UITextFields are on the same parent view.
Th...
How can I change Mac OS's default Java VM returned from /usr/libexec/java_home
...t (build 1.8.0_60-b27) Java HotSpot(TM)
64-Bit Server VM (build 25.60-b23, mixed mode)
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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 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"))
{
...
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...
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 ...
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
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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...
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...
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