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http://shin.hateblo.jp/entry/2013/03/23/211750

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print '/'.join(['', 'usr', 'lib', 'python'])

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print ', '.join(str(x) for x in list_of_ints)

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JFYI, I recently learned (or reconfirmed) that instanceof returns false for null.
So it's NPE-safe :) 
http://stackoverflow.com/questions/2950319/is-null-check-needed-before-calling-instanceof

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        with self.get_write_target_file('some_file') as write_target_file:
            fcntl.flock(write_target_file, fcntl.LOCK_EX)
            write_target_file.write('\t'.join(str(x) for x in data_list) + "\n")
            fcntl.flock(write_target_file, fcntl.LOCK_UN)

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public class CryptUtil {
    private static final String DEFAULT_KEY_STRING = "12345678901234567890123456789012"
    private static final String DEFAULT_TRANSFORMATION = "AES/ECB/PKCS5Padding";

	public static Key generateKey(String keyString) {
		if (keyString == null) {
			keyString = DEFAULT_KEY_STRING;
		}
		int keylen = keyString.length();
		if (keylen > 32) {

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    if [ ! -f ${src} ]
    then
        echo Error message : ${src} >> /dev/stderr
    fi

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<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context"
	xmlns:p="http://www.springframework.org/schema/p" xmlns:mvc="http://www.springframework.org/schema/mvc"
	xsi:schemaLocation="http://www.springframework.org/schema/beans
                           http://www.springframework.org/schema/beans/spring-beans.xsd
                           http://www.springframework.org/schema/context
                           http://www.springframework.org/schema/context/spring-context.xsd
                           http://www.springframework.org/schema/mvc
                           http://www.springframework.org/schema/mvc/spring-mvc.xsd">

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http://www.thefinancials.com/Default.aspx?SubSectionID=curformat

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@Test(expected= IndexOutOfBoundsException.class)
public void empty() { 
    new ArrayList<Object>().get(0); 
}