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What is :: (double colon) in Python when subscripting sequences?
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@UmarAsghar n means start. so the list start from nth index. Basically, [start:stop:step]
– harryghgim
Sep 1 at 11:42
ad...
How can I restart a Java application?
How can I restart a Java AWT application? I have a button to which I have attached an event handler. What code should I use to restart the application?
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How do you know what to test when writing unit tests? [closed]
...I have got some good feedback on that. Namely:
I Don’t Know Where to Start?
Start afresh. Only think about writing tests when you are writing new
code. This can be re-working of old
code, or a completely new feature.
Start simple. Don’t go running off and trying to get your hea...
How to run multiple .BAT files within a .BAT file
...hen not using CALL, the current batch file stops and the called batch file starts executing. It's a peculiar behavior dating back to the early MS-DOS days.
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What does this thread join code mean?
...mple code which is probably the main thread.
The main thread creates and starts the t1 and t2 threads. The two threads start running in parallel.
The main thread calls t1.join() to wait for the t1 thread to finish.
The t1 thread completes and the t1.join() method returns in the main thread. Note...
How do I retrieve my MySQL username and password?
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Stop the MySQL process.
Start the MySQL process with the --skip-grant-tables option.
Start the MySQL console client with the -u root option.
List all the users;
SELECT * FROM mysql.user;
Reset password;
UPDATE mysql.user SET Password=PASSWORD('[pa...
Print a list in reverse order with range()?
...ly range to achieve the same result, you can use all its parameters. range(start, stop, step)
For example, to generate a list [5,4,3,2,1,0], you can use the following:
range(5, -1, -1)
It may be less intuitive but as the comments mention, this is more efficient and the right usage of range for r...
How do I change the default port (9000) that Play uses when I execute the “run” command?
...on port 8080, run:
sbt -jvm-debug 9999 "run 8080"
Play 2.x - Prod Mode
Start in Prod mode:
sbt "start -Dhttp.port=8080"
Play 2.x - Staged Distribution
Create a staged distribution:
sbt stage
For Play 2.0.x and 2.1.x use the target/start script (Unix Only):
target/start -Dhttp.port=8080
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Tracking the script execution time in PHP
...and in php 7+ on Windows as well), you can use getrusage, like:
// Script start
$rustart = getrusage();
// Code ...
// Script end
function rutime($ru, $rus, $index) {
return ($ru["ru_$index.tv_sec"]*1000 + intval($ru["ru_$index.tv_usec"]/1000))
- ($rus["ru_$index.tv_sec"]*1000 + intval(...
Measure elapsed time in Swift
...) -> Answer
{
print("Evaluating problem \(problemNumber)")
let start = DispatchTime.now() // <<<<<<<<<< Start time
let myGuess = problemBlock()
let end = DispatchTime.now() // <<<<<<<<<< end time
let theAnswer =...