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How do I create a unique ID in Java? [duplicate]
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11 Answers
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How can I convert ereg expressions to preg in PHP?
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142
The biggest change in the syntax is the addition of delimiters.
ereg('^hello', $str);
preg_ma...
Which version of CodeIgniter am I currently using?
.../CodeIgniter.php
For example,
echo CI_VERSION; // echoes something like 1.7.1
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How to convert a scala.List to a java.util.List?
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import scala.collection.jcl.ArrayList
unconvertList(new ArrayList ++ List(1,2,3))
From Scala 2.8 onwards:
import scala.collection.JavaConversions._
import scala.collection.mutable.ListBuffer
asList(ListBuffer(List(1,2,3): _*))
val x: java.util.List[Int] = ListBuffer(List(1,2,3): _*)
However, a...
How to retrieve the current value of an oracle sequence without increment it?
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175
SELECT last_number
FROM all_sequences
WHERE sequence_owner = '<sequence owner>'
AN...
What is the Swift equivalent of -[NSObject description]?
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125
To implement this on a Swift type you must implement the CustomStringConvertible protocol and ...
How do I escape characters in c# comments?
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144
If you need to escape characters in XML comments, you need to use the character entities, so &...
sed one-liner to convert all uppercase to lowercase?
...sn't support \L \U):
# Converts upper to lower case
$ sed -e 's/\(.*\)/\L\1/' input.txt > output.txt
# Converts lower to upper case
$ sed -e 's/\(.*\)/\U\1/' input.txt > output.txt
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