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What is an “unwrapped value” in Swift?
...should look like this:
let optionalSquare: Square? = Square(sideLength: 2.5, name: "optional square")
let sideLength = optionalSquare!.sideLength
A sidenote:
You can also declare optionals to automatically unwrap by using an exclamation mark instead of a question mark.
Example:
var canBeNil ...
How do I pass a string into subprocess.Popen (using the stdin argument)?
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335
Popen.communicate() documentation:
Note that if you want to send data to
the process’s s...
Is it possible to make anonymous inner classes in Java static?
...class is always an inner class (§8.1.3); it is never static (§8.1.1, §8.5.1). An anonymous class is always implicitly final (§8.1.1.2).
Roedy Green's Java Glossary says that the fact that anonymous classes are allowed in a static context is implementation-dependent:
If you want to baffle t...
Cannot run Eclipse; JVM terminated. Exit code=13
... mecscomecsco
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5
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Fastest way to download a GitHub project
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253
When you are on a project page, you can press the 'Download ZIP' button which is located under ...
C++ display stack trace on exception
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answered Mar 27 '09 at 22:55
Andrew GrantAndrew Grant
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How to run a Runnable thread in Android at defined intervals?
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542
The simple fix to your example is :
handler = new Handler();
final Runnable r = new Runnable...
Visual Studio 2012 Web Publish doesn't copy files
...gh.
– Chris Moschini
Oct 6 '12 at 0:55
12
Hey! It's still broke in SP2!
– ...
download file using an ajax request
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Update April 27, 2015
Up and coming to the HTML5 scene is the download attribute. It's supported in Firefox and Chrome, and soon to come to IE11. Depending on your needs, you could use it instead of an AJAX request (or using window.location) so...
How can I distribute python programs?
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answered Oct 13 '09 at 5:54
Lennart RegebroLennart Regebro
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