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Handler vs AsyncTask vs Thread [closed]

...so supports reporting progress of the running tasks. And a Thread is basically the core element of multithreading which a developer can use with the following disadvantage: If you use Java threads you have to handle the following requirements in your own code: Synchronization with the...
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download file using an ajax request

...n as your site. You could always make the AJAX request/window.location a fallback by using some JavaScript to test if download is supported and if not, switching it to call window.location. Original answer You can't have an AJAX request open the download prompt since you physically have to naviga...
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PG::ConnectionBad - could not connect to server: Connection refused

... #2 is a great suggestion: "Check server.log". My error was actually caused by upgrading to Yosemite, the server log said: FATAL: could not open directory "pg_tblspc": No such file or directory. This answer helped me with that problem stackoverflow.com/questions/25970132/… ...
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Git Extensions: Win32 error 487: Couldn't reserve space for cygwin's heap, Win32 error 0

...wer below (stackoverflow.com/a/31970708/88409) explains what the problem really is, and it has nothing to do with corrupted memory. – Triynko Feb 13 '17 at 15:48 ...
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What are Vertex Array Objects?

...k of it as a geometry object. (As an old time SGI Performer programmer, I call them geosets.) The instance variables/members of the object are your vertex pointer, normal pointer, color pointer, attrib N pointer, ... When a VAO is first bound, you assign these members by calling glEnableClientStat...
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Two-dimensional array in Swift

... @vacawama, cool, except your n-dimensional array has the same problem as all the solutions that populate the array using Array(repeating:count:). See the comment I posted to your other answer. – Duncan C Sep 11 '18 at 0:39 ...
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What do the return values of node.js process.memoryUsage() stand for?

... Scheme first. A running program is always represented through some space allocated in memory. This space is called Resident Set. V8 uses a scheme similar to the Java Virtual Machine and divides the memory into segments: Code: the actual code being executed Stack: contains all value types (prim...
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Best way to store time (hh:mm) in a database

...e, but what's the best way to do this without storing more info than I actually need? 15 Answers ...
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live output from subprocess command

... file descriptor (in POSIX at least). (Side note: PIPE and STDOUT are actually ints internally, but are "impossible" descriptors, -1 and -2.) A stream—really, any object with a fileno method. Popen will find the descriptor for that stream, using stream.fileno(), and then proceed as for an int va...
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How to dynamically update a ListView on Android [closed]

... HamyHamy 16.9k1212 gold badges6464 silver badges9090 bronze badges ...