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I am going through the Coding Train video and trying my own take on it by fetching data from the Poemist API. I can get the title of the poem from the API to show up in the console; however, I can't get it to display on the HTML (it just shows undefined). Anyone know what I might be doing wrong here? Below is my code.

I have the following OpenLayers map:

How to send multiple requests to the exchange websocket using acyncio?
Exchange websockets documentation
In fact, if you know how to send multiple requests through, for example, requests library using asyncio and not websockets library, that's great too.

I want to send multiple requests to multiple websockets (two in the example) asynchronously using the asyncio library. Everything works for me with one request:

Below is a python script that subscribes order book information via Biance's Websocket API (Documentation Here).

In both requests(btcusdt@depth and btcusdt@depth@100ms), each json payload is streamed with a varying depth.
Please shed light on what might be the cause of this? Am I doing something wrong? Or might they have certain criteria as to how many depths of an order book to fetch?

Recently we run a test which created different Spring batch job instances concurrently (e.g 10 threads in parallel, job names are similar but different, e.g with the same prefix). And it's fairly easy to trigger deadlockerror reported from MySQL exception is

org.springframework.dao.DeadlockLoserDataAccessException: PreparedStatementCallback; SQL [INSERT into BATCH_JOB_INSTANCE(JOB_INSTANCE_ID, JOB_NAME, JOB_KEY, VERSION) values (?, ?, ?, ?)]; Deadlock found when trying to get lock; try restarting transaction; nested exception is com.mysql.jdbc.exceptions.jdbc4.MySQLTransactionRollbackException: Deadlock found when trying to get lock; try restarting transaction at org.springframework.jdbc.support.SQLErrorCodeSQLExceptionTranslator.doTranslate(SQLErrorCodeSQLExceptionTranslator.java:267) at org.springframework.jdbc.support.AbstractFallbackSQLExceptionTranslator.translate(AbstractFallbackSQLExceptionTranslator.java:72) at org.springframework.jdbc.core.JdbcTemplate.translateException(JdbcTemplate.java:1443) at org.springframework.jdbc.core.JdbcTemplate.execute(JdbcTemplate.java:633) at org.springframework.jdbc.core.JdbcTemplate.update(JdbcTemplate.java:862) at org.springframework.jdbc.core.JdbcTemplate.update(JdbcTemplate.java:917) at org.springframework.jdbc.core.JdbcTemplate.update(JdbcTemplate.java:922) at org.springframework.batch.core.repository.dao.JdbcJobInstanceDao.createJobInstance(JdbcJobInstanceDao.java:120) at org.springframework.batch.core.repository.support.SimpleJobRepository.createJobExecution(SimpleJobRepository.java:140) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:344)

We searched for existing reports regarding to deadlock and find that some are specific to SQLServer like this: (https://github.com/spring-projects/spring-batch/issues/1448). After analysis of the isolation level used for creating jobs(SERIALIZABLE) and the operation sequence, we think the deadlock could be trigged as following:

1、before creating a job instance, the code will first query batch_job_instance table to check if the instance already exists(about 3 times), under SERIALIZABLE mode, this will hold shared next-key lock (https://dev.mysql.com/doc/refman/5.7/en/innodb-next-key-locking.html) in MySQL which lock records that are in scope related to the job name.

2、thread 2 want to create job2 and insert a row in batch_job_instance and thread 3 want to do the same thing, as both threads hold the same read next-key lock and the rows that need to be inserted are also in the key scope, the deadlock will happen.

Refer to the link here(https://docs.spring.io/spring-batch/trunk/apidocs/org/springframework/batch/core/repository/support/AbstractJobRepositoryFactoryBean.html#setIsolationLevelForCreate-java.lang.String-), we tried changing the isolation level to REPEATABLE_READ and this worked without any deadlock.

So the key question here is :

Is setting isolation level to REPEATABLE_READ the recommended solution here and is there any side effect of this solution as it's not set as default option ?

Thanks a lot!

I am building a project and I have the board stm nucleo_l496zg. All i want to do is to use the drivers from the board in order to communicate the board after west flash with minicom, it is a simple string transfer and response program. I am building this project with zephyr and my issue is that I cant use the functions tty_init , tty_read and tty_set_rx_buf despite that I use the proper include " #include ". The compiler returns an undefined reference to thoose three functions but in my program I am using another one function from tty.h header which is tty_set_timeout but at this function it doesnt say nothing. Though I notiched in that in here(documentation of tty.h) tty_Set_timeout is the only function that has something inside. I cant understand why I am getting that please if someone can help me let me know !

So I have a Python application I'm trying to document with Sphinx. I've created the directory structure, run sphinx-quickstart, and sphinx-apidoc, and changed my config.py for:

I'm looking to build a Logic App workflow to connect to a REST API to GET a list of Products (retuned as JSON) from the Unleashed API ( https://apidocs.unleashedsoftware.com/AuthenticationHelp ).

I've prototyped the GET request in postmaan successfully generated the required HMAC-SHA256 encrypted method signature in the pre-request script. Now I need to find a way to do the same thing in my Logic Apps workflow.

Having figured out that the Logic Apps Inline Code component wouldn't give me anything but basic Javascript (no access to crypto functions), I thought of writing an Azure Function in node.js - node.js chosen primarily in order to be able to reuse my pre-request script code. Unfortunately, I'm getting absolutely nowhere with this - vertical learning curve doesn't quite cover it!

For one thing, isn't there some kind of inline trigger to allow me to access the function rather than having to send a HTTP request? And how do I populate the output bindings to get the hash value back?

My pre-request script is as follows

We are switching our payment gateway to Tyro. Here is the documentation: https://ecommerce.tyro.com/commerce/docs/apidoc/cardToken?api=payments

I am a Coldfusion programmer. Can I get some advice on the best way to implement this in Coldfusion? There are java and PHP examples given, however I only know Coldfusion and I'm not sure which is the best way to get started is.