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What is mutex and semaphore in Java ? What is the main difference?
... @edA-qa mort-ora-y, the term "Mutex" is not used in the Java VM or API spec so I am assuming it refers to the monitor built into every object, which is also similar to the Win32 object called a Mutex. The same applies to a ReentrantLock. All of these are recursive. I am not aware of any "...
JavaScript equivalent of PHP's in_array()
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There is also a inArray function in JQuery's APIs. Check api.jquery.com/jQuery.inArray
– ahPo
Oct 21 '13 at 20:19
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What is the difference between Java RMI and RPC?
...erstanding, in JAX-WS, we are invoking remote method using java reflection API. So its matching with definition of RPC. Please confirm !
– Gunjan Shah
Jul 8 '18 at 11:38
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Using async/await for multiple tasks
I'm using an API client that is completely asynchrounous, that is, each operation either returns Task or Task<T> , e.g:
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SLF4J: Class path contains multiple SLF4J bindings
...entation (log4j-slf4j-impl) is here:
"org.apache.logging.log4j" % "log4j-api" % "2.6.1",
"org.apache.logging.log4j" % "log4j-core" % "2.6.1",
"org.apache.logging.log4j" % "log4j-slf4j-impl" % "2.6.1",
// The other implementation (slf4j-log4j12) would be transitively
// included by Spark. P...
How can you make a custom keyboard in Android?
...___________________________-
EDIT:
Since KeyboardView is depreciated since API level 29, you can find its code in this website and create a class in your code before implementing the keyboard as described above.
share
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How did Google manage to do this? Slide ActionBar in Android application
...source code on how to implement it successfully with actionbar accross all api levels. One promising lib is here
https://github.com/jfeinstein10/SlidingMenu
here is a video of the example app.
here is the Google Play app link.
This does work with ActionbarSherlock. You will have to build the S...
Selecting element by data attribute
...might give faulty results.
Note that for compatibility with the Selectors API (document.querySelector{,all}), the quotes around the attribute value (22) may not be omitted in this case.
Also, if you work with data attributes a lot in your jQuery scripts, you might want to consider using the HTML5 ...
How to find all serial devices (ttyS, ttyUSB, ..) on Linux without opening them?
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Thanks to Soren for this, even we know the APIs and some idea on it but you did really good Soren, thanks again.
– ind79ra
Jan 19 '16 at 10:17
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Find first element by predicate
...ld not need to do .orElse(null) != null. Instead, make use of the Optional API's .isPresent i.e. .findFirst().isPresent().
– AMTerp
Jan 19 at 22:47
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