# 方差 data.var(axis=0) open 1.545255e+01 high 1.662665e+01 close 1.554572e+01 low 1.437902e+01 volume 5.458124e+09 price_change 8.072595e-01 p_change 1.664394e+01 turnover 4.323800e+00 my_price_change 6.409037e-01 dtype: float64 # 标准差 data.std(axis=0) open 3.930973 high 4.077578...
再次回到开始的问题,我们需要重写json.JSONEncoder中的default函数,这个default函数就是上述提到的_default函数,在default中添加处理bytes类型,修改后代码如下。 importjsonimportnumpy as npclassEncoder(json.JSONEncoder):defdefault(self, obj):ifisinstance(obj, np.ndarray):returnobj.tolist()elifisinstance(obj, by...
我们可以利用我们学到的一切与其他 MQTT 服务器一起工作,比如Erlang MQTT Broker(EMQ),也称为 Emqttd(www.emqtt.io),以及 HiveMQ(hivemq.com),等等。此外,我们可能会利用我们的知识与基于云的 MQTT 服务器一起工作,比如 CloudMQTT(www.cloudmqtt.com)或 PubNub MQTT 桥接器(pubnub.com)。我们还将专门与基...
trainer=trainer)print(f"Tokenizer training complete. Vocab size: {tokenizer_bpe.get_vocab_size()}")# Save the tokenizer as a JSON filetokenizer_bpe.save(save_path)print(f"Tokenizer saved to{save_path}")returntokenizer_bpe
request_data ='some request body'.encode('utf-8')# bytes objectenviron['wsgi.input'] = io.BytesIO(request_data) On the application side, if we wanted to turn a stream input we’ve received into a string, we’d want to write something like this: ...
The following sections explain each of these in turn. Using Rust from Python PyO3 can be used to generate a native Python module. The easiest way to try this out for the first time is to use maturin. maturin is a tool for building and publishing Rust-based Python packages with minimal ...
To turn on active tracing Open theFunctions pageof the Lambda console. Choose a function. ChooseConfigurationand then chooseMonitoring and operations tools. UnderAdditional monitoring tools, chooseEdit. UnderCloudWatch Application Signals and AWS X-Ray, chooseEnableforLambda service traces. ...
For example, to turn on debug HTTP headers:from databricks.sdk import WorkspaceClient w = WorkspaceClient(debug_headers=True) # Now call the Databricks workspace APIs as desired...Long-running operationsWhen you invoke a long-running operation, the SDK provides a high-level API to trigger ...
base64_encoded_clientid_clientsecret = base64_encoded_clientid_clientsecret.decode('ascii') # turn bytes object into ascii string base_url = f'https://{HOSTNAME}' url = f"{base_url}/oauth/v1/token" headers = { 'Content-Type': "application/x-www-form-urlencoded", ...
Python library for serializing any arbitrary object graph into JSON. It can take almost any Python object and turn the object into JSON. Additionally, it can reconstitute the object back into Python. - jsonpickle/jsonpickle