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Update README.md

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Signed-off-by: David Rotermund <54365609+davrot@users.noreply.github.com>
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helper/ZeroMQ/README.md
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@ -141,5 +141,18 @@ Output:
(100, 10) (100, 10)
``` ```
## Non-blocking
There is this option to receive packages in a non blocking way:
```python
confirm = False
while not confirm:
try:
packet_in = socket.recv_pyobj(zmq.NOBLOCK)
confirm = True
except zmq.error.Again:
pass
```