msgpack Questions
1
Solved
So I am using boost::beast as a WebSocket server.
I would like to receive a binary message and parse it using nlohmann::json.
However I get an error message:
none of the 3 overloads can convert par...
Trenton asked 19/8, 2021 at 13:46
1
I am trying to use MessagePack to serialize an object that has a property of an interface type. When I call Pack, it throws SerializationException that says a serializer is not defined for the inte...
Underwear asked 29/9, 2013 at 17:21
4
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msgpack seems to be an extremely fast, if extremely new format for data serialisation. Does it have a recognised MIME type yet? If not, what should be used in the interim?
Serious asked 31/7, 2011 at 10:31
0
I've been searching and I can't seem to find anything. Not sure if anyone knows of an easy way to see MsgPack requests and responses in the network tab?
Conductance asked 1/5, 2020 at 12:42
2
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When serializing and deserializing values between JavaScript and C# using SignalR with MessagePack I am seeing a bit of precision loss in C# on the receiving end.
As an example I am sending the va...
Meloniemelony asked 27/3, 2020 at 18:42
3
Solved
I am having issues with msgpack in python. It seems that when serialising a dict, if the keys are strings str, they are not unserialised properly and causing KeyError exceptions to be raised.
Exam...
1
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I have an angular application that uses signalR. It is hosted in a .NET core 3.1 application. Since upgrading to Angular 9, signalR no longer works. Everything was working fine in Angular 8. Since ...
6
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Requirement :
Python objects with 2-3 levels of nesting containing basic datypes like integers,strings, lists, and dicts.
( no dates etc), needs to be stored as json in redis against a key.
What ar...
1
Solved
I'm trying to use MessagePack to save multiple lists of structs because I read that its performance is better than BinaryFormatter serialization.
What I want to do is to receive real-time time ser...
Calaboose asked 9/11, 2019 at 14:29
6
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Recently I've found MessagePack, an alternative binary serialization format to Google's Protocol Buffers and JSON which also outperforms both.
Also there's the BSON serialization format that is use...
Opposable asked 15/6, 2011 at 9:14
1
Consider this simple example
import pandas as pd
mydata = pd.DataFrame({'mytime': [pd.to_datetime('2018-01-01 10:00:00.513'),
pd.to_datetime('2018-01-03 10:00:00.513')],
'myvariable': [1,2],
'...
5
I'm having a problem trying to install plotly. I proceeded to upgrade anaconda using the command line on Debian 9 and I received the error message "distributed 1.21.0 requires msgpack, which is not...
2
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I am working on a data system that needs to store large amounts of simple, extensible data (alongside some specialist indexing we are developing in-house, and not part of this question). I expect t...
1
I want to use the MessagePack, ZeroFormatter or protobuf-net to serialize/deserialize a generic list and store it in Redis using the stackexchange.redis client.
Now I'm storing a JSON string with ...
Taliataliaferro asked 6/6, 2018 at 8:38
1
why does this happen in python3?
1) I get msgpack data from redis
2) I unpack I get the below
3) The returned type is a dict:
meta = msgpack.unpackb(data[1])
print(type(meta))
<class 'dict'...
Posada asked 26/10, 2017 at 17:28
3
Solved
I need a fast way to send 300 short messages a second over zeromq between the python multiprocessing processes. Each message needs to contain an ID and time.time()
msgpack seems like the best way ...
Him asked 18/5, 2015 at 21:39
4
I am making use of C++ msgpack implementation. I have hit a roadblock as to how to pack binary data. In terms of binary data I have a buffer of the following type:
unsigned char* data;
The data ...
1
We have an application that communicate with backend via WS. We encode all messages with msgpack-lite, library specification said that it supports IE10. In all modern browsers like Chrome, Firefox,...
Countrified asked 18/5, 2017 at 12:7
4
Solved
Has someone tried to use MessagePack with an Android app?
Is it possible? I have tried to use the Jar from msgpack-java and received the following Exception:
Caused by: java.lang.ExceptionInInitia...
Smedley asked 23/9, 2011 at 13:14
1
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How do I serialize / deserialize a dictionary data with msgpack?
2
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I have seen references to 'zone' in the MsgPack C headers, but can find no documentation on what it is or what it's for. What is it? Furthermore, where's the function-by-function documentation for ...
2
Solved
I am sending/receiving a custom class from a server to Android, the class is as;
import org.msgpack.value.Value;
public class myClass {
public String status;
public Value data;
}
The problem...
2
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I just installed node-msgpack and tested it against native JSON. MessagePack is much slower. Anyone know why?
Using the authors' own benchmark...
node ~/node_modules/msgpack/bench.js
msgpack pa...
Ahmad asked 8/1, 2013 at 21:34
1
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msgpack in Pandas is supposed to be a replacement for pickle.
Per the Pandas docs on msgpack:
This is a lightweight portable binary format, similar to binary JSON,
that is highly space efficie...
3
Solved
The following sample does not compile, complaining that
In file included from /usr/include/msgpack.hpp:18:
/usr/include/msgpack/object.hpp:211:3: error: member reference base type 'logd::log_level...
Aroma asked 22/11, 2013 at 21:30
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