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How do I return multiple values from a function? [closed]
...ins high (I was wrong in my last comment about "under 1 KB" for the class, _source by itself is typically 1.5 KB; _source is removed in 3.7, so it's likely closer to the original claim of just under 1 KB per class creation).
– ShadowRanger
Apr 20 '18 at 19:31
...
What are paramorphisms?
...sibly simpler still is
safeTail :: [x] -> Maybe [x]
safeTail = para (\ _ xs _ -> Just xs) Nothing
in which the "cons" branch ignores its recursively computed argument and just gives back the tail. Evaluated lazily, the recursive computation never happens and the tail is extracted in constan...
Make first letter of a string upper case (with maximum performance)
...tException($"{nameof(input)} cannot be empty", nameof(input)),
_ => input.First().ToString().ToUpper() + input.Substring(1)
};
}
C# 7
public static class StringExtensions
{
public static string FirstCharToUpper(this string input)
{
switch (input)
{
...
How to detect shake event with android?
...quire a SensorManager:
sensorMgr = (SensorManager) getSystemService(SENSOR_SERVICE);
And register this sensor with desired flags:
sensorMgr.registerListener(this,
SensorManager.SENSOR_ACCELEROMETER,
SensorManager.SENSOR_DELAY_GAME);
In your onSensorChange() method, you determine whether it’s...
Convert a char to upper case using regular expressions (EditPad Pro)
...it's find and replace dialog. Just search for " [a-z]" and replace it by " _0.toUpperCase()" (without quotes)
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...
What are the use(s) for tags in Go?
...ail"`
}
u := User{"Bob", "bob@mycompany.com"}
t := reflect.TypeOf(u)
for _, fieldName := range []string{"Name", "Email"} {
field, found := t.FieldByName(fieldName)
if !found {
continue
}
fmt.Printf("\nField: User.%s\n", fieldName)
fmt.Printf("\tWhole tag value : %q\n", ...
Error java.lang.OutOfMemoryError: GC overhead limit exceeded
...
}
System.out.printf("Done.%n");
}
}
Using Java 1.6.0_24-b07 on a Windows 7 32 bit.
java -Xloggc:gc.log GarbageCollector
Then look at gc.log
Triggered 444 times using BAD method
Triggered 666 times using WORSE method
Triggered 354 times using BETTER method
Now granted, ...
Return all enumerables with yield return at once; without looping through
...
I came up with a quick yield_ snippet:
Here's the snippet XML:
<?xml version="1.0" encoding="utf-8"?>
<CodeSnippets xmlns="http://schemas.microsoft.com/VisualStudio/2005/CodeSnippet">
<CodeSnippet Format="1.0.0">
<Header&g...
Query EC2 tags from within instance
...Name of your current ec2 instance (the value of the "Name" tag). Modify TAG_NAME to your specific case.
TAG_NAME="Name"
INSTANCE_ID="`wget -qO- http://instance-data/latest/meta-data/instance-id`"
REGION="`wget -qO- http://instance-data/latest/meta-data/placement/availability-zone | sed -e 's:\([0-9...
App store link for “rate/review this app”
...cts/MZStore.woa/wa/viewContentsUserReviews?type=Purple+Software&id=YOUR_APP_ID
This works on my end (Xcode 5 - iOS 7 - Device!):
itms-apps://itunes.apple.com/app/idYOUR_APP_ID
For iOS 8 or later:
itms-apps://itunes.apple.com/WebObjects/MZStore.woa/wa/viewContentsUserReviews?id=YOUR_APP_ID&...