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Add sentence about clearing retained topic on mqtt

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and use of administrator for ump on windows…
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Dave Conway-Jones 2017-05-05 12:30:30 +01:00
parent 5b2296b056
commit 6e8c978d12
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2 changed files with 4 additions and 2 deletions
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3
nodes/core/io/10-mqtt.html
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@ -133,7 +133,8 @@
If it contains a binary Buffer the message will be published as-is.</p> If it contains a binary Buffer the message will be published as-is.</p>
<p>The topic used can be configured in the node or, if left blank, can be set by <code>msg.topic</code>.</p> <p>The topic used can be configured in the node or, if left blank, can be set by <code>msg.topic</code>.</p>
<p>Likewise the QoS and retain values can be configured in the node or, if left <p>Likewise the QoS and retain values can be configured in the node or, if left
blank, set by <code>msg.qos</code> and <code>msg.retain</code> respectively.</p> blank, set by <code>msg.qos</code> and <code>msg.retain</code> respectively. To clear a previously
retained topic from the broker, send a blank message to that topic with the retain flag set.</p>
<p>This node requires a connection to a MQTT broker to be configured. This is configured by clicking <p>This node requires a connection to a MQTT broker to be configured. This is configured by clicking
the pencil icon.</p> the pencil icon.</p>
<p>Several MQTT nodes (in or out) can share the same broker connection if required.</p> <p>Several MQTT nodes (in or out) can share the same broker connection if required.</p>

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nodes/core/io/32-udp.html
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@ -60,7 +60,8 @@
Buffer, string, or base64 encoded string. Supports multicast.</p> Buffer, string, or base64 encoded string. Supports multicast.</p>
<p>It also provides <code>msg.ip</code> and <code>msg.port</code> set to the <p>It also provides <code>msg.ip</code> and <code>msg.port</code> set to the
ip address and port from which the message was received.</p> ip address and port from which the message was received.</p>
<p><b>Note</b>: On some systems you may need to be root to use ports below 1024 and/or broadcast.</p> <p><b>Note</b>: On some systems you may need root or administrator access to use
ports below 1024 and/or broadcast.</p>
</script> </script>
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