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What is the meaning of “this” in Java?
...w MyThisTest() will print
1
42
MyThisTest a=42
So effectively you use it for multiple things:
clarify that you are talking about a field, when there's also something else with the same name as a field
refer to the current object as a whole
invoke other constructors of the current class in you...
RabbitMQ and relationship between channel and connection
The RabbitMQ Java client has the following concepts:
4 Answers
4
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What is the purpose of base 64 encoding and why it used in HTTP Basic Authentication?
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Base64 is not encryption -- it's an encoding. It's a way of representing binary data using only printable (text) characters.
See this paragraph from the wikipedia page for HTTP Basic Authentication:
While encoding the user name and password with t...
What is sandboxing?
I have read the Wikipedia article , but I am not really sure what it means, and how similar it is to version control .
5...
See line breaks and carriage returns in editor
Does anyone know of a text editor on Linux that allows me to see line breaks and carriage returns? Does Vim support this feature?
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Smooth GPS data
I'm working with GPS data, getting values every second and displaying current position on a map. The problem is that sometimes (specially when accuracy is low) the values vary a lot, making the current position to "jump" between distant points in the map.
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Google OAuth 2 authorization - Error: redirect_uri_mismatch
On the website https://code.google.com/apis/console I have registered my application, set up generated Client ID: and Client Secret to my app and tried to log in with Google.
Unfortunately, I got the error message:
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How can I disable a button on a jQuery UI dialog?
...jQuery UI contains (if you have the full library and are on 1.8+, you have it), you can use it to disable the button and update the state visually, like this:
$(".ui-dialog-buttonpane button:contains('Confirm')").button("disable");
You can give it a try here...or if you're on an older version or ...
Understanding colors on Android (six characters)
...r set as the background of my LinearLayout , and I get a background gray with some transparency:
7 Answers
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git replacing LF with CRLF
Running git on a Windows XP machine, using bash. I exported my project from SVN, and then cloned a bare repository.
20 Answ...