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When do I need to use AtomicBoolean in Java?
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255
When multiple threads need to check and change the boolean. For example:
if (!initialized) {
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Understanding $.proxy() in jQuery
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382
What it ultimately does is it ensures that the value of this in a function will be the value you...
How to display unique records from a has_many through relationship?
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238
Have you tried to specify the :uniq option on the has_many association:
has_many :products, :...
How do I force “git pull” to overwrite local files?
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How can a Metro app in Windows 8 communicate with a backend desktop app on the same machine?
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edited May 23 '17 at 12:26
Community♦
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answered Feb 21 '12 at 7:28
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How to make layout with rounded corners..?
...:top="0dp" android:right="0dp" android:bottom="0dp" />
</shape>
2: Add layout_bg.xml as background to your layout
android:background="@drawable/layout_bg"
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background function in Python
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127
Do something like this:
def function_that_downloads(my_args):
# do some long download here
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Thread pooling in C++11
... system can support:
int Num_Threads = thread::hardware_concurrency();
2) For an efficient threadpool implementation, once threads are created according to Num_Threads, it's better not to create new ones, or destroy old ones (by joining). There will be performance penalty, might even make your a...
Why we should not use protected static in java
...ng[] args) throws java.lang.Exception {
System.out.println(new Test2().getTest());
Test.test = "changed";
System.out.println(new Test2().getTest());
}
}
abstract class Test {
protected static String test = "test";
}
class Test2 extends Test {
public String getTe...
How to center a checkbox in a table cell?
...; /* center checkbox vertically */
}
table {
border: 1px solid;
width: 200px;
}
tr {
height: 80px;
}
I hope this helps.
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