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Select n random rows from SQL Server table
...s plus the join cost, which on a large table with a small percentage selection should be reasonable.
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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 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 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 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"))
{
...
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...
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 ...