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Calling Python in Java?
I am wondering if it is possible to call python functions from java code using jython, or is it only for calling java code from python?
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Break promise chain and call a function based on the step in the chain where it is broken (rejected)
...Instead, each step has its own "sub-chain" with an onRejected that is only called if the step was rejected (but can not be reached by the main chain directly).
The reason this works is that both onFulfilled and onRejected are optional arguments to the then method. If a promise is fulfilled (i.e. re...
What is the difference between using IDisposable vs a destructor in C#?
...e their own collection/disposal.
Hence IDisposable is used to deterministically clean up objects, i.e. now. It doesn't collect the object's memory (that still belongs to GC) - but is used for example to close files, database connections, etc.
There are lots of previous topics on this:
determinis...
Why aren't superclass __init__ methods automatically invoked?
...ython designers decide that subclasses' __init__() methods don't automatically call the __init__() methods of their superclasses, as in some other languages? Is the Pythonic and recommended idiom really like the following?
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Autowiring two beans implementing same interface - how to set default bean to autowire?
...ments DeviceDao
This way it will be selected as the default autowire candididate, with no need to autowire-candidate on the other bean.
Also, rather than using @Autowired @Qualifier, I find it more elegant to use @Resource for picking specific beans, i.e.
@Resource(name="jdbcDeviceDao")
DeviceDa...
Alternatives to gprof [closed]
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Valgrind has an instruction-count profiler with a very nice visualizer called KCacheGrind. As Mike Dunlavey recommends, Valgrind counts the fraction of instructions for which a procedure is live on the stack, although I'm sorry to say it appears to become confused in the presence of mutual recu...
How can I delete Docker's images?
...containers. It will not be possible to restore them!
This solution is provided by Techoverflow.net.
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How do I call a JavaScript function on page load?
Traditionally, to call a JavaScript function once the page has loaded, you'd add an onload attribute to the body containing a bit of JavaScript (usually only calling a function)
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$on and $broadcast in angular
...the model outside of the angular framework (like in a setTimeout, a dialog callback, or an ajax callback), in other words $apply() is already triggered after all code in .$on() is finished.
– th3uiguy
Jun 24 '15 at 10:05
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Why are exclamation marks used in Ruby methods?
...methods that end in ! indicate that the method will modify the object it's called on. Ruby calls these as "dangerous methods" because they change state that someone else might have a reference to. Here's a simple example for strings:
foo = "A STRING" # a string called foo
foo.downcase! # modif...