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How to wait for all threads to finish, using ExecutorService?
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Basically on an ExecutorService you call shutdown() and then awaitTermination():
ExecutorService taskExecutor = Executors.newFixedThreadPool(4);
while(...) {
taskExecutor.execute(new MyTask());
}
taskExecutor.shutdown();
try {...
Java Try Catch Finally blocks without Catch
... on try/finally: The finally will always execute unless
System.exit() is called.
The JVM crashes.
The try{} block never ends (e.g. endless loop).
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Is there a way to detach matplotlib plots so that the computation can continue?
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Use matplotlib's calls that won't block:
Using draw():
from matplotlib.pyplot import plot, draw, show
plot([1,2,3])
draw()
print('continue computation')
# at the end call show to ensure window won't close.
show()
Using interactive mode:
fro...
Finishing current activity from a fragment
...at when clicked start new activities (startActivity from a fragment simply calls startActivity on the current activity).
10...
Difference between $.ajax() and $.get() and $.load()
...times very useful. You have to deal with the returned data yourself with a callback.
$.get() is just a shorthand for $.ajax() but abstracts some of the configurations away, setting reasonable default values for what it hides from you. Returns the data to a callback. It only allows GET-requests so i...
How do getters and setters work?
...ng a value but NOT exposing the value contained in a field, that is if you call someObj.getTime().setHour(5) it should not affect someObj's internal state. Also setters and getters (accessors and mutators by their fancier name) have a very strict method signature meaning that getter doesn't have any...
How do I add a Maven dependency in Eclipse?
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Damn, I miss <insert-name-of-previously-considered-to-be-worst-package-manager-ever-here>
– Mark K Cowan
Nov 8 '16 at 21:03
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String's Maximum length in Java - calling length() method
...aximum size a String object may have, referring to the length() method call?
7 Answers
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Remove the bottom divider of an android ListView
I have a fixed height ListView . It has divider between list items, but it also displays dividers after the last list item.
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Anonymous method in Invoke call
Having a bit of trouble with the syntax where we want to call a delegate anonymously within a Control.Invoke.
8 Answers
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