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How to check if a specified key exists in a given S3 bucket using Java
I would like to check if a key exists in a given bucket using Java. I looked at the API but there aren't any methods that are useful. I tried to use getObject but it threw an exception.
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What is the difference between a URI, a URL and a URN?
People talk about URL s, URI s, and URN s as if they're different things, but they look the same to the naked eye.
31 An...
Cycles in family tree software
I am the developer of some family tree software (written in C++ and Qt). I had no problems until one of my customers mailed me a bug report. The problem is that the customer has two children with their own daughter, and, as a result, he can't use my software because of errors.
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How do I disable orientation change on Android?
I have an application that I just would like to use in portrait mode, so I have defined
android:screenOrientation="portrait" in the manifest XML. This works OK for the HTC Magic phone (and prevents orientation changes on other phones as well).
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How to take MySQL database backup using MySQL Workbench?
How to take database backup using MySQL Workbench? Can we take backup in the following ways-
9 Answers
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Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:2.3.2:compile (default-compile
I am using Maven 3.0.5 and Spring Tool Source 3.2 with Maven plugin installed. When I try to do 'Run As---> Maven install', I am getting the following error:
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How to exclude a directory in find . command
I'm trying to run a find command for all JavaScript files, but how do I exclude a specific directory?
38 Answers
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Underlining text in UIButton
Can anyone suggest how to underline the title of a UIButton ? I have a UIButton of Custom type, and I want the Title to be underlined, but the Interface Builder does not provide any option to do so.
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Understanding events and event handlers in C#
I understand the purpose of events, especially within the context of creating user interfaces. I think this is the prototype for creating an event:
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How to create ls in windows command prompt?
I want to use ls in windows command prompt and make it run the dir command.
18 Answers
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