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discord.py - Programming a Discord bot in Python- Having some trouble hosting my bot on Heroku

I've been trying to host my bot on Heroku, (followed this tutorial: https://youtu.be/BPvg9bndP1U). Everything appears ... -bot-in-python-having-some-trouble-hosting-my-bot-on-herok...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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447 views

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reactjs - React component update (hot reload/refresh) causes error - removeChild & insertBefore error when updating the code

I haven't updated my code for a few months. Just cloned it and installed the packages. Now I get ... /react-component-update-hot-reload-refresh-causes-error-removechild-insertb...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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168 views

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Caching Exposed queries with Caffeine

What are the performance differences if I use Kotlin Exposed DSL and cache the mapped results into ... stackoverflow.com/questions/65947231/caching-exposed-queries-with-caffeine...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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263 views

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reactjs - React: useState delay issues

I am trying to update state with the result of an await axios function, but the state is out of ... from:https://stackoverflow.com/questions/65903607/react-usestate-delay-issues...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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180 views

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Finding the minimum of a function in R

I want to prove that x = [-9/22 & -2/11] is a minimum of the following function attached in the ... /stackoverflow.com/questions/65903722/finding-the-minimum-of-a-function-in-r...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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502 views

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apache flink - Taskmanager can't connect to jobmanager leader in kubernetes with High availability

I can't seem to get my Taskmanager to connect to Jobmanager in Kubernetes HA mode. Has anyone seen anything ... -cant-connect-to-jobmanager-leader-in-kubernetes-with-high-availabil...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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reactjs - Firebase text search with startAt and endAt doesn't work incase sensitive

This question already has answers here: question from:https://stackoverflow.com/questions/65903507/firebase-text-search-with-startat-and-endat-doesnt-work-incase-sensitive...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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110 views

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android - Multi type object in kotlin

from an API call i get as response a body with this structure open class BaseResponseEntity { @SerializedName( ... /stackoverflow.com/questions/65903492/multi-type-object-in-kotlin...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - How to use signal.spectrogram?

So I'm trying to plot a spectrogram, but I want the frequency in periods. I tried doing freqs = 1./ ... :https://stackoverflow.com/questions/65948251/how-to-use-signal-spectrogram...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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How to take this kind of a STDIN inputs in c++?

In lots of hackathon they provide testcases. So in those test cases they provide inputs in different ways through STDIN. This is ... /how-to-take-this-kind-of-a-stdin-inputs-in-c...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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408 views

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Python couchbase connection throwing an error when trying to access a database in docker

I am getting the following error from a python script that first starts a couchbase instance in docker and then tries ... -throwing-an-error-when-trying-to-access-a-database-i...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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how do I extract an element, sub-elements and the full path from xml in python?

I would like to extract an element, including sub-elements and the full path from xml. If this is my xml doc: < ... -an-element-sub-elements-and-the-full-path-from-xml-in-python...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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643 views

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lisp - Is that possible I lexical binding special var in other package?

I have a very weird requirement that lexically binding a special variable of another package. In file A.lisp ( ... -that-possible-i-lexical-binding-special-var-in-other-package...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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471 views

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python - Masking numpy arrays to select specific rows, based on another boolean array

Suppose that I have an array like this: my_arr = np.array([1, 2, 3, 4, 5, 6, 7, 8, 9, ... /65948120/masking-numpy-arrays-to-select-specific-rows-based-on-another-boolean-array...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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632 views

1 answer

kotlin - How to serialize a class implementing a interface with gson?

There is a interface A: interface A { val name: String } Also there is one class B implementing this ... 65948068/how-to-serialize-a-class-implementing-a-interface-with-gson...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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145 views

1 answer

javascript - Additional Arguments to Styled Components in React with Typescript

I have a styled component I need to reuse. It looks like this: export const FormFooter = styled.div ... /65948054/additional-arguments-to-styled-components-in-react-with-typescript...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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124 views

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c++ - Implementation of pattern "Multiplex" in c++11/14

Hey everybody and first of all forgive my poor english. I have to implement the pattern "Multiplex" as ... .com/questions/65948044/implementation-of-pattern-multiplex-in-c11-14...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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163 views

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Data wrangling: Sum values from two different arrays in javascript and push a new object

I have two arrays/json files in the following format: const data2 = [{date: "2018-04-23", a: 2, b: 2 ... -wrangling-sum-values-from-two-different-arrays-in-javascript-and-push-a-ne...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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75 views

1 answer

java - What is a NullPointerException, and how do I fix it?

question from:https://stackoverflow.com/questions/65947965/cant-add-concrete-class-to-observable-list...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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197 views

1 answer

node.js - Is Node using 100% CPU?

I'm a little confused with what I'm seeing with a node process that I have running. docker stats on the ... from:https://stackoverflow.com/questions/65947746/is-node-using-100-cpu...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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131 views

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How to zero out milliseconds using new Date Time API of Java?

This question already has answers here: question from:https://stackoverflow.com/questions/65947726/how-to-zero-out-milliseconds-using-new-date-time-api-of-java...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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336 views

1 answer

css - How can I right align a text wrapped sentence next to an icon?

I am trying align a long string (text wrapped) to the right of an icon. Here is my CSS: :root { font-family: ... /how-can-i-right-align-a-text-wrapped-sentence-next-to-an-icon...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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80 views

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python - How to convert string representation of list to a list?

I was wondering what the simplest way is to convert a string representation of a list like the following to a ... /questions/65947588/removing-single-quote-from-an-array-in-python...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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535 views

1 answer

Have dendrogram label appear only hover with fviz_dend and plotly in R

So I have created my plot with: spot_average<-hclust(diss_matrix, method = "average") #I used row.names earlier so the ... -label-appear-only-hover-with-fviz-dend-and-plotly-in-r...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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275 views

1 answer

css position - Making a Jeopardy game in HTML/CSS/Javascript

I'm trying to make a jeopardy game where the "cards" turn over to reveal the answer/prompt to which the ... .com/questions/65947536/making-a-jeopardy-game-in-html-css-javascript...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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72 views

1 answer

How to determine why a facebook page URL will not return a facebook id?

For the most part, using the graph api, passing in a Facebook page's encoded URL returns the normal facebook id. ... -why-a-facebook-page-url-will-not-return-a-facebook-id...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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351 views

1 answer

postgresql - Do I need to declare a unique constraint for `bigint generated always as identity`?

I'm creating a multi-tenant application and am prepending the tenant_id to all tables that my tenants will ... declare-a-unique-constraint-for-bigint-generated-always-as-identit...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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244 views

1 answer

go - Text embedding searching in mongodb

I saved records of words and their respective word2vec embeddings in mongo. Is there any way I can ... //stackoverflow.com/questions/65947483/text-embedding-searching-in-mongodb...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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