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What is a coroutine?
... What is the difference between calling a function directly and yielding from a coroutine with wrapping this function into this coroutine?
– Ming Li
Aug 4 '14 at 10:44
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How to merge dictionaries of dictionaries?
... makes the "reduce" easier to explain]
ps in python 3, you will also need from functools import reduce
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Send response to all clients except sender
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From the @LearnRPG answer but with 1.0:
// send to current request socket client
socket.emit('message', "this is a test");
// sending to all clients, include sender
io.sockets.emit('message', "this is a test"); //still ...
MySql server startup error 'The server quit without updating PID file '
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From my own experience - Be careful that after you've done the sudo chown that you don't currently have some mysql processes running under another user or root. ps -ef | grep mysql will validate that you have nothing running ...
How to fix 'android.os.NetworkOnMainThreadException'?
... brackets and a call to execute()). On the other hand, even a single fetch from a site as you mention brings a significant lag in the UI responsiveness. Don't be lazy.
– Zoltán
Sep 4 '12 at 9:39
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Quickest way to convert XML to JSON in Java [closed]
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download all the files not just XML.java. From here: github.com/douglascrockford/JSON-java/downloads
– Spiff
Oct 18 '12 at 15:37
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How can I remove time from date with Moment.js?
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'day and date key both mean day-of-the-month.' from the docs. day works pre version 2.8.4.
– oldwizard
May 17 '17 at 7:13
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What is the C++ function to raise a number to a power?
...s:
pow(float, float);
pow(float, int);
pow(double, double); // taken over from C
pow(double, int);
pow(long double, long double);
pow(long double, int);
Now you can't just do
pow(2, N)
with N being an int, because it doesn't know which of float, double, or long double version it should take, ...
IllegalStateException: Can not perform this action after onSaveInstanceState with ViewPager
I'm getting user reports from my app in the market, delivering the following exception:
34 Answers
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Java: Static Class?
... but it provides insurance in case the constructor is accidentally invoked from within the class. It guarantees that the class will never be instantiated under any circumstances. This idiom is mildly counterintuitive, as the constructor is provided expressly so that it cannot be invoked. It is there...