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android asynctask sending callbacks to ui [duplicate]
...lopment, AsyncTask is a fast way to make things work without blocking UI thread. It does solves some problems indeed, there is nothing wrong with how the class works itself. However, it brings some implications, such as:
Possibility of memory leaks. If you keep reference to your Activity, it will ...
Is there a list of Pytz Timezones?
...>>> ct.isoformat()
2017-01-13T11:29:22.601991-05:00
Or if you already have a datetime object that is TZ aware (not naive):
# This timestamp is in UTC
my_ct = datetime.datetime.now(tz=pytz.UTC)
# Now convert it to another timezone
new_ct = my_ct.astimezone(tz)
>>> new_ct.isoform...
How to delete/unset the properties of a javascript object? [duplicate]
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simply use delete, but be aware that you should read fully what the effects are of using this:
delete object.index; //true
object.index; //undefined
but if I was to use like so:
var x = 1; //1
delete x; //false
x; //1
but if you do wish to delete variables in the g...
What is the size of an enum in C?
...l correctly, an enum is generally the same size as an int; but I thought I read somewhere that (at least in GCC) the compiler can make the enum any width they need to be to hold their values. So, is it possible to have an enum that is 64 bits wide?
...
phantomjs not waiting for “full” page load
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If you are in control of the code you're trying to read, you can call the phantom js call back explicitly: phantomjs.org/api/webpage/handler/on-callback.html
– Andy Smith
Dec 4 '16 at 15:17
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When does Java's Thread.sleep throw InterruptedException?
When does Java's Thread.sleep throw InterruptedException? Is it safe to ignore it? I am not doing any multithreading. I just want to wait for a few seconds before retrying some operation.
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What is the correct format to use for Date/Time in an XML file
...hing that is both easy to parse in your language(s) of choice, and easy to read for humans. e.g., if your language (whether VB.NET or C#.NET or whatever) allows you to parse ISO dates (YYYY-MM-DD) easily, that's the one I'd suggest.
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Is it possible to make anonymous inner classes in Java static?
...lasses in static contexts and static nested classes. If you're interested, read the JLS 3rd Ed.
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Invoking JavaScript code in an iframe from the parent page
... iframe notify its window.parent script when it has finished loaded and is ready to be called back. By passing one of its own objects (eg. a callback function) to the parent script, that parent can then communicate directly with the script in the iframe without having to worry about what HTMLIFrameE...
When to use extern in C++
I'm reading "Think in C++" and it just introduced the extern declaration. For example:
4 Answers
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