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250 views

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python - Timestamp format not being matched in pandas to_datetime format specifier

I have a pandas dataframe with some timestamp values in a column. I wish to get the sum of values ... timestamp-format-not-being-matched-in-pandas-to-datetime-format-specifier...

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

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1.2k views

1 answer

dplyr - renaming a subset of contiguous columns in a data.frame/tible based on name-indexing in R

I want so select a subset of consecutive columns by column name, and rename with a character vector. example data: ... -contiguous-columns-in-a-data-frame-tible-based-on-name-inde...

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

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141 views

1 answer

java - Building War file via including Avro auto generated classes

I've recently started using Avro and Kafka in my spring boot project. Now I've googled this and can' ... /65864188/building-war-file-via-including-avro-auto-generated-classes...

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

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588 views

1 answer

mpi - How to run a binary file on multiple processors?

question from:https://stackoverflow.com/questions/66157714/how-to-run-a-binary-file-on-multiple-processors...

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

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206 views

1 answer

r - Errorbars plot too big compared to the bars?

I can't find the reason why my errorbars are so big compared to my bars? Thanks a lot! df3 Amplitudes QF ... .com/questions/65864061/errorbars-plot-too-big-compared-to-the-bars...

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

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211 views

1 answer

assembly - Why make some registers caller-saved and others callee-saved? Why not make the caller save everything it wants saved?

In this Wikipedia article about register preservation I read that the caller function is responsible for some registers (to ... -saved-and-others-callee-saved-why-not-make-the-c...

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

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303 views

1 answer

javascript - TypeError: Failed to fetch - Only on Cordova application

I have an express server which has an API endpoint of /todo/set which gets a JSON, POST request. ... com/questions/65864040/typeerror-failed-to-fetch-only-on-cordova-application...

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

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522 views

1 answer

python - How to get a role in discord.py and if the role is not there create the role

I was wondering if anyone knows how to get a role and if the role does not exsit in the server it then creates the ... in-discord-py-and-if-the-role-is-not-there-create-the-role...

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

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697 views

1 answer

compare list values with dictionories python

I have a list and dictionary lis = ["abc","bcd fg","cda"] dic = {1:"dcbagh",2:"cd abc ... :https://stackoverflow.com/questions/65863973/compare-list-values-with-dictionories-python...

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

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166 views

1 answer

Python - File append/write does not write to file despite closing/flushing the file object

I have code similar to the following pseudocode: def getFirstSet(): file1 = open("log.txt", 'a') list1 = [ ... -append-write-does-not-write-to-file-despite-closing-flushing-the-f...

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

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571 views

1 answer

javascript - React Axios with UseEffect not rendering data

I have been struggling myself silly to get data read from a local json file and fed into a React render ... .com/questions/65864988/react-axios-with-useeffect-not-rendering-data...

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

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303 views

1 answer

swift - SwiftUI List state not being persisted with contextmenu

I have a simple view that uses ForEach to list an array. Each item in the list has a context menu ... com/questions/65864987/swiftui-list-state-not-being-persisted-with-contextmenu...

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

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455 views

1 answer

Dart Null Safety in a callback function with named params

The code below fails when compiling with Null Safety the following error: The parameter namedParam can't have a value ... /dart-null-safety-in-a-callback-function-with-named-params...

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

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85 views

1 answer

javascript - Render a functional component after fetching data from a POST API?

I want to re-render my component after the data fetched from my API. I used hooks to handle that. but it ... /render-a-functional-component-after-fetching-data-from-a-post-api...

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

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818 views

1 answer

css - Stop element underneath fixed overlay from scrolling with Tailwind

I'm trying to create an overlay that may contain its own scrollbar. The overlay should take up the ... /65864936/stop-element-underneath-fixed-overlay-from-scrolling-with-tailwind...

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

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264 views

1 answer

python - Add tag attribute and description to Django rest framework

Need help, there is serializers.py and it has the following class written in it: class menu(serializers. ... 65864846/add-tag-attribute-and-description-to-django-rest-framework...

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

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255 views

1 answer

html - Javascript readin txt file into chart

I really need some help to figure this out... I have found a code which plot a chart out of values ... ://stackoverflow.com/questions/65864814/javascript-readin-txt-file-into-chart...

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

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192 views

1 answer

Block data could not be decoded on simulink (matlab)

I was trying to open a block on matlab to see its content but I was getting an error message instead. How ... /questions/65864803/block-data-could-not-be-decoded-on-simulink-matlab...

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

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237 views

1 answer

java - Create an array of POJO's from JSON

I'm attempting to get multiple POJO's from json that looks something like this { "obj1": { "quizowner": ... /stackoverflow.com/questions/65864790/create-an-array-of-pojos-from-json...

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

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772 views

1 answer

heroku - UnsupportedClassVersion Error after java update

Just 2-4 hours ago, i received an update to java on my laptop. and i installed it. I ... ://stackoverflow.com/questions/65864771/unsupportedclassversion-error-after-java-update...

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

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394 views

1 answer

google cloud platform - Configure load balancer between storage and vm

I would like to co figure a load balancer betwee storage and compute vm. What should be my domain for ... .com/questions/65864761/configure-load-balancer-between-storage-and-vm...

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

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337 views

1 answer

How to use alias in where clause in mysql with lead lag functions

I am trying to compare value with an alias but it says scolumn not recognized. Docs says can't use alias in where ... to-use-alias-in-where-clause-in-mysql-with-lead-lag-functions...

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

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823 views

1 answer

uml - Activity Diagram Timed Event

I'm trying to model the following: When filling out a submission form, the system automatically saves the ... ://stackoverflow.com/questions/65864533/activity-diagram-timed-event...

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

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637 views

1 answer

vue.js - Locale keeps resetting between switching pages. Nuxt-i18n

I am trying to set up localization for my Nuxt frontend. Every time I switch to English and then ... /questions/65864526/locale-keeps-resetting-between-switching-pages-nuxt-i18n...

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

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327 views

1 answer

reactjs - onClick attached to hyperlink does not run

When I click the <a href onClick>Fire</a> or <a href onClick>Storm</a>, the console should ... /stackoverflow.com/questions/65864492/onclick-attached-to-hyperlink-does-not-run...

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

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521 views

1 answer

unity3d - How can I display images from hard disk in my main menu?

In my main menu and I want between the character and the black image with the text to display images from my hard disk ... /how-can-i-display-images-from-hard-disk-in-my-main-menu...

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

0 votes

398 views

1 answer

ruby - Rails 5.2 uninitialized constant after code change, lib classes are not loaded after a code change

I set config.cache_classes = false in order for my code to reload after each change. I am getting uninitialized ... -constant-after-code-change-lib-classes-are-not-loaded-a...

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

0 votes

323 views

1 answer

node.js - npm start hangs, does not sync changes (create-react-app on WSL)

I am new to web dev and am trying to follow the React tutorial. I have followed it successfully in the past on my ... /npm-start-hangs-does-not-sync-changes-create-react-app-on-wsl...

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

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