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Save current directory in variable using Bash?
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PersistentObjectException: detached entity passed to persist thrown by JPA and Hibernate
... there are many code examples in books (even in good ones) and through the net, which do exactly that. I don't know, why... Perhaps sometimes simply copied over and over without much thinking...
Guess what happens if you call remove(transaction) still having "cascade ALL" in that @ManyToOne? The a...
How do I turn a String into a InputStreamReader in java?
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What's the difference between an exclusive lock and a shared lock?
.... However, other processes can request read locks.
More on that : http://www.gnu.org/software/libc/manual/html_node/File-Locks.html
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What is Delegate? [closed]
...e -= operator.
Delegate types are derived from the Delegate class in the .NET Framework. Delegate types are sealed—they cannot be derived.
Because the instantiated delegate is an object, it can be passed as a parameter, or assigned to a property. This allows a method to accept a delegate as a par...
MySQL “WITH” clause
...t support common table expressions:
Oracle 9i release 2 and later:
http://www.oracle-base.com/articles/misc/with-clause.php
Microsoft SQL Server 2005 and later:
http://msdn.microsoft.com/en-us/library/ms190766(v=sql.90).aspx
IBM DB2 UDB 8 and later:
http://publib.boulder.ibm.com/infocenter/db2luw/v...
How to set the thumbnail image on HTML5 video?
...400" controls="controls" preload="metadata">
<source src="https://www.w3schools.com/html/mov_bbb.mp4#t=0.5" type="video/mp4">
</video>
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how to rotate a bitmap 90 degrees
...ew(linLayout);
}
}
You can also check this link for details : http://www.anddev.org/resize_and_rotate_image_-_example-t621.html
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How to list the files inside a JAR file?
...e that works for both IDE's and .jar files:
import java.io.*;
import java.net.*;
import java.nio.file.*;
import java.util.*;
import java.util.stream.*;
public class ResourceWalker {
public static void main(String[] args) throws URISyntaxException, IOException {
URI uri = ResourceWalker...
SVN checkout the contents of a folder, not the folder itself
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