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parser = argparse.ArgumentParser() | |
group = parser.add_mutually_exclusive_group(required=True) | |
group.add_argument('--foo', action='store_true') | |
group.add_argument('--bar', action='store_false') | |
settings = parser.parse_args() |
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from kafka import SimpleProducer, KafkaClient | |
kafka = KafkaClient('localhost:9092') | |
producer = SimpleProducer(kafka) | |
producer.send_messages(b'my-topic', b'some message') | |
producer.send_messages(b'my-topic', b'this method', b'is variadic') | |
producer.send_messages(b'my-topic', u'안녕?'.encode('utf-8')) |
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from kafka import KafkaConsumer | |
# To consume messages | |
consumer = KafkaConsumer('my-topic', | |
group_id='my_group', | |
bootstrap_servers=['localhost:9092']) | |
for message in consumer: | |
# message value is raw byte string -- decode if necessary! | |
# e.g., for unicode: `message.value.decode('utf-8')` |
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sudo apt-get update | |
sudo apt-get install -y python-software-properties debconf-utils | |
sudo add-apt-repository -y ppa:webupd8team/java | |
sudo apt-get update | |
echo "oracle-java8-installer shared/accepted-oracle-license-v1-1 select true" | sudo debconf-set-selections | |
sudo apt-get install -y oracle-java8-installer |
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def human_format(num): | |
magnitude = 0 | |
while abs(num) >= 1000: | |
magnitude += 1 | |
num /= 1000.0 | |
# add more suffixes if you need them | |
return '%.2f%s' % (num, ['', 'K', 'M', 'G', 'T', 'P'][magnitude]) | |
print('the answer is %s' % human_format(7436313)) # prints 'the answer is 7.44M' |
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nohup node server.js > server.log 2>&1& | |
echo $! > server_pid.txt |
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#!/bin/bash | |
scriptname &>/dev/null |
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#!/bin/bash | |
function convert_to_mib { | |
local mib=$1 | |
if [ $2 = "KB" ] | |
then | |
# if less than 1 MiB, just return 1 MiB | |
mib=1 | |
fi |
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echo "hello" | python -c "import sys; sys.stdout.write( sys.stdin.read() )" |
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sudo docker inspect bwa | python -c "import json; import sys; j=json.loads(sys.stdin.read()); print j[0]['Config']['Labels']" |
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