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Why can't we have static method in a (non-static) inner class?
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I know an inner class is associated with an instance of its outer class and I know that it's kinda useless that we become able to declare static members within an inner class but I am still asking why not an inner class can decl...
Example for boost shared_mutex (multiple reads/one write)?
... has to read some data often, and occasionally that data is updated. Right now a mutex keeps access to that data safe, but it's expensive because I would like multiple threads to be able to read simultaneously, and only lock them out when an update is needed (the updating thread could wait for the o...
Why would one use nested classes in C++?
... have some material like Programming Principles and things like this IBM Knowledge Center - Nested Classes
4 Answers
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How do I cast a string to integer and have 0 in case of error in the cast with PostgreSQL?
...d dirty way of handling for checking some data. I also admit that my own knowledge is lacking right now in defining functions in SQL. I was only interested in numbers between 1 and 5 digits, so I changed the regex to E'\\d{1,5}$'.
– Bobort
Oct 6 '16 at 14:25
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How to impose maxlength on textArea in HTML using JavaScript
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I know you want to avoid jQuery, but as the solution requires JavaScript, this solution (using jQuery 1.4) is the most consise and robust.
Inspired by, but an improvement over Dana Woodman's answer:
Changes from that answer a...
How to convert nanoseconds to seconds using the TimeUnit enum?
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This answer is now wrong - convert() and the toFoo() methods all return longs now docs.oracle.com/javase/6/docs/api/java/util/concurrent/…
– Riking
Jul 30 '13 at 1:58
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Using -performSelector: vs. just calling the method
... performSelector is also useful to suppress compile warnings. If you know the method exists (like after using respondsToSelector), it will stop Xcode from saying "may not respond to your_selector". Just don't use it instead of finding out the real cause of the warning. ;)
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Android 4.3 Bluetooth Low Energy unstable
...e/x1y4tEHDwk0
The issue and work around described below is probably fixed now by OS updates
Work around: I could "stabilize" my app doing that...
I provide the user a setting "Restart Bluetooth". If that setting is enabled, I restart Bluetooth at some points that indicate the begin of BLE stack...
Bash: infinite sleep (infinite blocking)
...initrc . In my .xinitrc I start my window manager using /usr/bin/mywm . Now, if I kill my WM (in order to f.e. test some other WM), X will terminate too because the .xinitrc script reached EOF.
So I added this at the end of my .xinitrc :
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How do I discover memory usage of my application in Android?
...hat they actually mean that only results in a vague conclusion.)
Note: we now have much more extensive documentation on Managing Your App's Memory that covers much of the material here and is more up-to-date with the state of Android.
First thing is to probably read the last part of this article w...