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Task continuation on UI thread
Is there a 'standard' way to specify that a task continuation should run on the thread from which the initial task was created?
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Email address validation using ASP.NET MVC data type attributes
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Thank you @Shittu Olugbenga! But I can't understand why this doesn't work: [DataType(DataType.EmailAddress, ErrorMessage = "Error message.")]
– Wellington Zanelli
Sep 18 '14 at 12:34
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How can I play sound in Java?
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To avoid Clip being shut down at random time, a LineListener is required. Have a look: stackoverflow.com/questions/577724/trouble-playing-wav-in-java/…
– yanchenko
Feb 23 '09 at 15:40
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Load local JSON file into variable
...sted your object into content.json directly, it is invalid JSON. JSON keys and values must be wrapped in double quotes (" not ') unless the value is numeric, boolean, null, or composite (array or object). JSON cannot contain functions or undefined values. Below is your object as valid JSON.
{
"id...
How to upgrade Git to latest version on macOS?
I just bought a new Mac with OS X Lion and I checked in the Terminal what version of git is installed by default. I got the answer
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How to find my Subversion server version number?
... of the subversion REPOSITORY you can:
Look to the repository on the web and on the bottom of the page it will say something like:
"Powered by Subversion version 1.5.2 (r32768)."
From the command line: <insert curl, grep oneliner here>
If not displayed, view source of the page
<svn ver...
jQuery/JavaScript to replace broken images
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Handle the onError event for the image to reassign its source using JavaScript:
function imgError(image) {
image.onerror = "";
image.src = "/images/noimage.gif";
return true;
}
<img src="image.png" onerror=...
How do I parse command line arguments in Java?
What is a good way of parsing command line arguments in Java?
20 Answers
20
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Remove all files except some from a directory
...y:
find . -type f -not -name '*txt' -print0 | xargs -0 rm --
The print0 and -0 combination is needed if there are spaces in any of the filenames that should be deleted.
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Calculate size of Object in Java [duplicate]
... an object takes up for a project (I'm comparing sizes of data structures) and it seems like there is no method to do this in Java. Supposedly, C/C++ has sizeOf() method, but this is nonexistant in Java. I tried recording the free memory in the JVM with Runtime.getRuntime().freeMemory() before a...