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Can functions be passed as parameters?
... result = quote123(foo)
fmt.Println(result)
// Output: "foo"
_ = convert(foo) // confirm foo satisfies convert at runtime
// fails due to argument type
// _ = convert(func(x float64) string { return "" })
}
Play: http://play.golang.org/p/XNMtrDUDS0
Tour: https://tour.golang...
How to sort my paws?
...
Alright! I've finally managed to get something working consistently! This problem pulled me in for several days... Fun stuff! Sorry for the length of this answer, but I need to elaborate a bit on some things... (Though I may set a record for ...
Get ffmpeg information in friendly way
...eed to tell ffprobe what information you want it to display (with the -show_format, -show_packets and -show_streams options) or it'll just give you blank output (like you mention in one of your comments).
For example, ffprobe -v quiet -print_format json -show_format -show_streams somefile.asf would...
Code equivalent to the 'let' keyword in chained LINQ extension method calls
...ime it's executed:
var seq = EnumerableEx.Generate(
new Random(),
_ => true,
_ => _,
x => x.Next());
To see that new random samples show up every time, consider the following
seq.Zip(seq, Tuple.Create).Take(3).Dump();
which produces pairs in which the left and right ar...
Android studio using > 100% CPU at all times - no background processes appear to be running
I've noticed Android Studio (when running) uses greater than 100% CPU at all times, even when it appears there are no background processes that the IDE is running (indexing, etc). I might suspect this were something specific to my box, but some fellow developers are encountering this as well.
...
Linq Query keeps throwing “Unable to create a constant value of type System.Object…”, Why?
...tBindingSource.Position =
accountBindingSource.IndexOf(_dataService.Db.Accounts.First(ac => ac.AccountName == name));
accountBindingSource_CurrentChanged(sender, e);
}
buggy code:
private void onTopAccBtnClick(object sender, EventArgs e)
{
accountBin...
Get underlying NSData from UIImage
...
NSData *rawData = (__bridge NSData *) CGDataProviderCopyData(CGImageGetDataProvider(image.CGImage));
– ZardozSpeaks
Aug 3 '19 at 19:00
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How to validate a url in Python? (Malformed or not)
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Actually, I think this is the best way.
from django.core.validators import URLValidator
from django.core.exceptions import ValidationError
val = URLValidator(verify_exists=False)
try:
val('http://www.google.com')
except Val...
Regular Expression For Duplicate Words
...)\s+\b\1\b/
A good selection of test strings can be found here: http://callumacrae.github.com/regex-tuesday/challenge1.html
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How do I Search/Find and Replace in a standard string?
Is there a way to replace all occurrences of a substring with another string in std::string ?
9 Answers
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