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Useful example of a shutdown hook in Java?
... volatile boolean keepRunning = true;
In run() you change to
for (int i = 0; i < N && keepRunning; ++i)
writeBatch(pw, i);
In main() you add:
final Thread mainThread = Thread.currentThread();
Runtime.getRuntime().addShutdownHook(new Thread() {
public void run() {
keepRu...
How to make a promise from setTimeout
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Update (2017)
Here in 2017, Promises are built into JavaScript, they were added by the ES2015 spec (polyfills are available for outdated environments like IE8-IE11). The syntax they went with uses a callback you pass into the Promise...
Visual Studio 2010 - C++ project - remove *.sdf file
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OzzahOzzah
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How to pick a new color for each plotted line within a figure in matplotlib?
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matplotlib 1.5+
You can use axes.set_prop_cycle (example).
matplotlib 1.0-1.4
You can use axes.set_color_cycle (example).
matplotlib 0.x
You can use Axes.set_default_color_cycle.
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impro...
Android, How can I Convert String to Date?
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From String to Date
String dtStart = "2010-10-15T09:27:37Z";
SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'");
try {
Date date = format.parse(dtStart);
System.out.println(date);
} catch (ParseException e) {
e.printSt...
How to include external Python code to use in other files?
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edited May 30 '19 at 20:42
nelsonda
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answered Apr 3 '...
How to add Action Bar from support library into PreferenceActivity?
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EDIT: In appcompat-v7 22.1.0 Google added the AppCompatDelegate abstract class as a delegate you can use to extend AppCompat's support to any activity.
Use it like this:
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import android.support.v7.app.ActionBar;
import android.support.v7.app.AppCo...
Grasping the Node JS alternative to multithreading
...a problem).
– wbyoung
Mar 5 '14 at 20:05
so we can do other proses using callback like javascript code on frontend
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PostgreSQL array_agg order
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If you are on a PostgreSQL version < 9.0 then:
From: http://www.postgresql.org/docs/8.4/static/functions-aggregate.html
In the current implementation, the order of the input is in principle unspecified. Supplying the input values from a sorted subquery will u...
ASP.NET MVC Razor: How to render a Razor Partial View's HTML inside the controller action
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answered Dec 3 '10 at 10:27
jgauffinjgauffin
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