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Running multiple AsyncTasks at the same time — not possible?
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AsyncTask uses a thread pool pattern for running the stuff from doInBackground(). The issue is initially (in early Android OS versions) the pool size was just 1, meaning no parallel computations for a bunch of AsyncTasks. But later they fixed t...
How to only find files in a given directory, and ignore subdirectories using bash
...nt to find out where symlinks point to, you can do for x in /dev/abc-*; do readlink -f $x; done
– Mark Longair
Oct 10 '11 at 16:28
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Performance differences between debug and release builds
...= x; Pretty common in statements like dest[ix+1] = src[ix+1]; written for readability without introducing a helper variable. No need to compromise readability.
Constant folding. x = 1 + 2; becomes x = 3; This simple example is caught early by the compiler, but happens at JIT time when other opti...
Is there hard evidence of the ROI of unit testing?
...ugs are few? These %s mean nothing without context. To be fair I am yet to read the whole study. But as it stands your post is useful (good links) but does not answer the question regarding ROI, IMO.
– Instine
Jun 13 '14 at 10:56
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Open a URL in a new tab (and not a new window)
...ferent ways in which they handle a user's browser preferences.
Additional Reading
window.open documentation.
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Declaring and initializing variables within Java switches
...gns it a value, which is why you get an error as you would when you try to read any other not-definitely-assigned local variable.
I would strongly recommend you not to use local variables declared in other cases - it leads to highly confusing code, as you've seen. When I introduce local variables i...
JSON: why are forward slashes escaped?
...r ignored escapes (like \z) not allowed in JSON?
The key for this was reading
http://www.cs.tut.fi/~jkorpela/www/revsol.html, followed by
http://www.w3.org/TR/html4/appendix/notes.html#h-B.3.2. The feature of
the slash escape allows JSON to be embedded in HTML (as SGML) and XML.
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Converting between datetime, Timestamp and datetime64
...nswer, I am thinking about accepting to move it to the top-level I have to read the others more deeply once by a computer.
– Andy Hayden
Oct 25 '17 at 0:42
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How to pass a class type as a function parameter
...ng?
var regionName: String?
// Nothing to change here, CityInfo already implements init()
}
Then you only have to change the generic constraints of invokeService from <T> to <T: Initable>.
Tip
If you get strange errors like "Cannot convert the expression's type '()' to type ...
When should you NOT use a Rules Engine? [closed]
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Maybe someone will find helpful reading a nice article written by Martin Fowler about DSL-s: "Will DSLs allow business people to write software rules without involving programmers?" martinfowler.com/bliki/BusinessReadableDSL.html
– Rob...