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How do I get the full path to a Perl script that is executing?
...ntains the fullpath+filename and sometimes just filename . Because the working directory can vary as well I can't think of a way to reliably get the fullpath+filename of the script.
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Javascript - How to detect if document has loaded (IE 7/Firefox 3)
I want to call a function after a document loads, but the document may or may not have finished loading yet. If it did load, then I can just call the function. If it did NOT load, then I can attach an event listener. I can't add an eventlistener after onload has already fired since it won't get cal...
delete a.x vs a.x = undefined
...fined
means that a.hasOwnProperty("x") will still return true, and therefore, it will still show up in a for in loop, and in Object.keys()
delete a.x
means that a.hasOwnProperty("x") will return false
The way that they are the same is that you can't tell if a property exists by testing
if (a....
Execute another jar in a Java program
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If I understand correctly it appears you want to run the jars in a separate process from inside your java GUI application.
To do this you can use:
// Run a java app in a separate system process
Process proc = Runtime.getRuntime().exec("jav...
What good technology podcasts are out there?
Yes, Podcasts, those nice little Audiobooks I can listen to on the way to work. With the current amount of Podcasts, it's like searching a needle in a haystack, except that the haystack happens to be the Internet and is filled with too many of these "Hot new Gadgets" stuff :(
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multiprocessing: How do I share a dict among multiple processes?
A program that creates several processes that work on a join-able queue, Q , and may eventually manipulate a global dictionary D to store results. (so each child process may use D to store its result and also see what results the other child processes are producing)
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Operator Overloading with C# Extension Methods
...ion methods must be in static classes, and static classes can't have operator overloads. But the feature is being discussed for some future release of C#. Mads talked a bit more about implementing it in this video from 2017.
On why it isn't currently implemented, Mads Torgersen, C# Language PM says:...
Get size of an Iterable in Java
...lements from values, so it is empty afterwards. Changing a data structure for a simple query like its size is very unexpected.
For performance, this depends on your data structure. If it is for example in fact an ArrayList, removing elements from the beginning (what your second method is doing) is ...
A list of indices in MongoDB?
...s on a collection in mongodb in shell? i read through http://www.mongodb.org/display/DOCS/Indexes but i dont see anything
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Get Bitmap attached to ImageView
... actually be cast to BitmapDrawable (to avoid IllegalCastExceptions). If, for instance, you use layers in your image then this snippet will be slightly different: Bitmap bitmap = ((BitmapDrawable)((LayerDrawable)image.getDrawable()).getDrawable(0)).getBitmap();
– Alex Semeniuk
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