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What is the use of ByteBuffer in Java? [closed]
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This is a good description of its uses and shortcomings. You essentially use it whenever you need to do fast low-level I/O. If you were going to implement a TCP/IP protocol or if you were writing a database (DBMS) this class would come in handy.
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Difference between using bean id and name in Spring configuration file
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Since Spring 3.1 the id attribute is an xsd:string and permits the same range of characters as the name attribute.
The only difference between an id and a name is that a name can contain multiple aliases separated by a comma, semicolon or whitespace, whereas an id mus...
Finish an activity from another activity
...@Override
public void onReceive(Context arg0, Intent intent) {
String action = intent.getAction();
if (action.equals("finish_activity")) {
finish();
// DO WHATEVER YOU WANT.
}
}
};
registerReceiver(broadcastReceiver, new IntentFilter("finish_ac...
How to override and extend basic Django admin templates?
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{% block sidebar %}
{{block.super}}
<div>
<h1>Extra links</h1>
<a href="/admin/extra/">My extra link</a>
</div>
{% endblock %}
I've given a full example on how to use this template loader in a blog post on my website.
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What is the best method of handling currency/money?
...tted number ("1234.00")
product.price.format displays a properly formatted string for the currency
If you need to send cents (to a payment gateway that wants pennies), product.price.cents.to_s
Currency conversion for free
s...
How can I perform a `git pull` without re-entering my SSH password?
...vous? rest assured: vast majority of folks here are quite well mannered... and those who aren't, well, they have bigger problems than me :)
– jldupont
Jun 7 '11 at 13:37
2
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Download data url file
...ess from a browser. They can just drag their zip directly into the browser and it'll let them download all the files within. They can also create new zip files by dragging individual files in.
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Static nested class in Java, why?
...ass(1);
}
}
}
public class Test {
public static void main(String[] args) {
OuterClass.InnerClass.test();
// OuterClass outer = new OuterClass(1); // It is not possible to create outer instance from outside.
}
}
This will output x: 1
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How does inline Javascript (in HTML) work?
...e with something like var foo = new Function(), where foo.name is an empty string, and foo.toString() will produce something like
function anonymous() {
}
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improve this answer
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Android screen size HDPI, LDPI, MDPI [duplicate]
... your emulator. 240 is hdpi, 160 is mdpi and below that are usually ldpi.
Extract from Android Developer Guide link above:
320dp: a typical phone screen (240x320 ldpi, 320x480 mdpi, 480x800 hdpi, etc).
480dp: a tweener tablet like the Streak (480x800 mdpi).
600dp: a 7” tablet (600x1024 mdpi)...