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Math.random() versus Random.nextInt(int)
... }
}
public static void main(String[] args) {
long start = System.currentTimeMillis();
usingRandomClass();
long end = System.currentTimeMillis();
System.out.println("usingRandomClass " + (end - start));
start = System.currentTimeMillis();
...
Is there a performance impact when calling ToList()?
...
Handy tip, As vs To
You'll notice in LINQ there are several methods that start with As (such as AsEnumerable()) and To (such as ToList()). The methods that start with To require a conversion like above (ie. may impact performance), and the methods that start with As do not and will just require so...
How to simulate a touch event in Android?
... A swipe left from (x1, y) to (x2, y) in 2 steps
y = 400
x1 = 100
x2 = 300
start = (x1, y)
end = (x2, y)
duration = 0.2
steps = 2
pause = 0.2
for i in range(1, 250):
# Every so often inject a touch to spice things up!
if i % 9 == 0:
device.touch(x2, y, 'DOWN_AND_UP')
MonkeyR...
How does a Breadth-First Search work when looking for Shortest Path?
...l-search pattern which considers nodes in order of their distance from the starting point.
– Shashank
Apr 12 '15 at 21:48
13
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How do you show animated GIFs on a Windows Form (c#)
... }
private void button1_Click(object sender, EventArgs e)
{
ThreadStart myThreadStart = new ThreadStart(MyThreadRoutine);
Thread myThread = new Thread(myThreadStart);
myThread.Start();
}
I simply created another thread to be responsible for this operation. Thanks to this initial ...
Timing a command's execution in PowerShell
...to use the .NET Stopwatch class like this:
$sw = [Diagnostics.Stopwatch]::StartNew()
.\do_something.ps1
$sw.Stop()
$sw.Elapsed
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No tests found with test runner 'JUnit 4'
...
this just happened to me. Rebuilding or restarting Eclipse didn't help.
I solved it by renaming one of the test methods to start with "test..." (JUnit3 style) and then all tests are found. I renamed it back to what it was previously, and it still works.
...
What is the difference between a Docker image and a container?
When using Docker, we start with a base image. We boot it up, create changes and those changes are saved in layers forming another image.
...
Debugging App When Launched by Push Notification
... in executables.
Click on the Debugging tab tab in the inspector.
Uncheck "Start executable after starting debugger"
Check the "Wait for next launch/push notification"
Now when you click debug from Xcode instead of launching the app a window will display telling it is waiting for the app to launch...
SQL Server add auto increment primary key to existing table
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This is a really good answer, but how can I change the starting integer from 1 to 1000? I would like to start counting at 1000. I suspect I can use ALTER TABLE ORDER ALTER COLUMN ORDERNO RESTART WITH 1 but I didn't want to try it without checking with an expert :) Ref. pic.dh...