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How do I round to the nearest 0.5?
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There are several options. If performance is a concern, test them to see which works fastest in a large loop.
double Adjust(double input)
{
double whole = Math.Truncate(input);
double remainder = input - whole;
if (remainder < 0.3)
{
remainder = 0;
...
How do I read from parameters.yml in a controller in symfony2?
...k my post How to Get Parameter in Symfony Controller the Clean Way.
(It's tested and I keep it updated for new Symfony major version (5, 6...)).
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Play a Sound with Python [duplicate]
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Snack seems to be dead (latest update 2005 - ten years ago).
– Olli
Feb 13 '16 at 10:37
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__lt__ instead of __cmp__
...ptions can let you optimize as needed, while still quickly prototyping and testing. Neither one tells me why it's removed. (Essentially it boils down to developer efficiency for me.) Is it possible the rich comparisons are less efficient with the cmp fallback in place? That wouldn't make sense to me...
How to run a PowerShell script from a batch file
...>>),
example:
@echo off
set WD=%~dp0
ECHO New-Item -Path . -Name "Test.txt" -ItemType "file" -Value "This is a text string." -Force > "%WD%PSHELLFILE.ps1"
ECHO add-content -path "./Test.txt" -value "`r`nThe End" >> "%WD%PSHELLFILE.ps1"
powershell.exe -ExecutionPolicy Bypass -File "...
Measure execution time for a Java method [duplicate]
... prints PT1M3.553S
Guava Stopwatch:
Stopwatch stopwatch = Stopwatch.createStarted();
myCall();
stopwatch.stop(); // optional
System.out.println("Time elapsed: "+ stopwatch.elapsed(TimeUnit.MILLISECONDS));
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Encoding as Base64 in Java
...ss.
Here's some example code:
byte[] encodedBytes = Base64.encodeBase64("Test".getBytes());
System.out.println("encodedBytes " + new String(encodedBytes));
byte[] decodedBytes = Base64.decodeBase64(encodedBytes);
System.out.println("decodedBytes " + new String(decodedBytes));
Then read why you s...
req.body empty on posts
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With Postman, to test HTTP post actions with a raw JSON data payload, select the raw option and set the following header parameters:
Content-Type: application/json
Also, be sure to wrap any strings used as keys/values in your JSON payload ...
No Activity found to handle Intent : android.intent.action.VIEW
...t exceptions will arise, and why? This is a sign of code that has not been tested thoroughly.
– jbass
Feb 8 '17 at 22:58
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How to access a mobile's camera from a web app?
... (front) camera. To access video, substitute "video" for "image" in name.
Tested on iPhone 5c, running iOS 10.3.3, firmware 760, works fine.
https://www.w3.org/TR/html-media-capture/
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