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What causes a java.lang.ArrayIndexOutOfBoundsException and how do I prevent it?
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Your first port of call should be the documentation which explains it reasonably clearly:
Thrown to indicate that an array has been accessed with an illegal index. The index is either negative or greater than or equal to the size of the arra...
Thread vs ThreadPool
...rom the pool rather than one I've explicitly created? I'm thinking specifically of .NET here, but general examples are fine.
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Get just the filename from a path in a Bash script [duplicate]
... sets xpath (the file path), xpref (the file prefix, what you were specifically asking for) and xfext (the file extension).
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Can't create handler inside thread that has not called Looper.prepare()
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You're calling it from a worker thread. You need to call Toast.makeText() (and most other functions dealing with the UI) from within the main thread. You could use a handler, for example.
Look up Communicating with the UI Thread in ...
How to tell whether a point is to the right or left side of a line
... ( a and b ) and draw an imaginary line between them. Now I want to have all points that are left from this line in one set and those that are right from this line in the other set.
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How to turn on line numbers in IDLE?
...t window, go to Options and click Show Line Numbers.
To show them automatically, go to Options > Configure IDLE > General and check the Show line numbers in new windows box.
Version 3.7 or older:
Unfortunately there is not an option to display line numbers in IDLE although there is an enhancem...
Font Awesome icon inside text input element
...e. You should select the wrapper: .wrapper:before. See http://jsfiddle.net/allcaps/gA4rx/ .
I also added the placeholder suggestion where the wrapper is redundant.
.wrapper input[type="text"] {
position: relative;
}
input { font-family: 'FontAwesome'; } /* This is for the placeholder */
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Why does JPA have a @Transient annotation?
...sing setMale() and setFemale() methods and thus wouldn't persist Person at all.
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The function to show current file's full path in mini buffer
...unction and a variable). This is also why you need to use the likes of funcall to call a function that is stored as the value of a variable foo, because if you used (foo) you would be using the function slot of foo rather than the value slot.
– phils
Feb 13 '18...
How do I run a shell script without using “sh” or “bash” commands?
...le:
#!/bin/bash
And make your file executable (chmod +x script.sh).
Finally, modify your path to add the directory where your script is located:
export PATH=$PATH:/appropriate/directory
(typically, you want $HOME/bin for storing your own scripts)
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