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How to randomize two ArrayLists in the same fashion?
I have two arraylist filelist and imgList which related to each other, e.g. "H1.txt" related to "e1.jpg". How to automatically randomized the list of imgList according to the randomization of fileList ? Like in excel, if we sort certain column, the other column will automatically follow?
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what is the difference between sendStickyBroadcast and sendBroadcast in Android
What is the difference between sendStickyBroadcast and sendBroadcast in Android?
3 Answers
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UnicodeDecodeError when redirecting to file
...ice, in the Ubuntu terminal (encoding set to utf-8), once with ./test.py and then with ./test.py >out.txt :
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Multiple submit buttons in an HTML form
Let's say you create a wizard in an HTML form. One button goes back, and one goes forward. Since the back button appears first in the markup when you press Enter , it will use that button to submit the form.
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Is it better to return null or empty collection?
... an empty enumerable/collection. It prevents the aforementioned nonsense, and prevents your car getting egged by co-workers and users of your classes.
When talking about properties, always set your property once and forget it
public List<Foo> Foos {public get; private set;}
public Bar() { ...
MySQL foreign key constraints, cascade delete
I want to use foreign keys to keep the integrity and avoid orphans (I already use innoDB).
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Is it possible to use the instanceof operator in a switch statement?
...en you can simply call do() on this.
If you are not free to change A, B, and C, you could apply the visitor pattern to achieve the same.
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How to get a cross-origin resource sharing (CORS) post request working
...has two web servers. The first is the in-built one in XBMC (on port 8080) and displays our library. The second server is a CherryPy python script (port 8081) that I am using to trigger a file conversion on demand. The file conversion is triggered by a AJAX POST request from the page served from t...
Maximum Length of Command Line String
In Windows, what is the maximum length of a command line string? Meaning if I specify a program which takes arguments on the command line such as abc.exe -name=abc
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Is there a label/goto in Python?
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No, Python does not support labels and goto, if that is what you're after. It's a (highly) structured programming language.
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