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Different types of thread-safe Sets in Java
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1) The CopyOnWriteArraySet is a quite simple implementation - it basically has a list of elements in an array, and when changing the list, it copies the array. Iterations and other accesses which are running at this time continue with the o...
How to write a multidimensional array to a text file?
... users offered some help if I could supply the array I was having trouble with. However, I even fail at a basic I/O task, such as writing an array to a file.
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“X-UA-Compatible” content=“IE=9; IE=8; IE=7; IE=EDGE”
Edit : I am using <!DOCTYPE html>
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How do I hide an element when printing a web page?
...ge to print the webpage. However, the link is also visible in the printout itself.
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Problems with DeploymentItem attribute
I'm currently maintaining an "old" system written in C#.net, removing some obsolete features and doing some refactoring. Thanks god, the previous guy wrote some unit tests (MSTests). I quite comfortable with JUnit tests, but didn't do yet much with MSTests.
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How do I handle the window close event in Tkinter?
...d WM_DELETE_WINDOW, and is used to define what happens when the user explicitly closes a window using the window manager.
You can use the protocol method to install a handler for this protocol (the widget must be a Tk or Toplevel widget):
Here you have a concrete example:
import tkinter as tk
fro...
How to convert a column number (e.g. 127) into an Excel column (e.g. AA)
How do you convert a numerical number to an Excel column name in C# without using automation getting the value directly from Excel.
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How to convert all text to lowercase in Vim
How do you convert all text in Vim to lowercase? Is it even possible?
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receiver type *** for instance message is a forward declaration
In my iOS5 app, I have NSObject States class, and trying to init it:
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How to fetch FetchType.LAZY associations with JPA and Hibernate in a Spring Controller
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You will have to make an explicit call on the lazy collection in order to initialize it (common practice is to call .size() for this purpose). In Hibernate there is a dedicated method for this (Hibernate.initialize()), but JPA has no equivalent of that. Of...