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sql - need to find start and end time of events which is still not active

I have a table with 3 coulmne timestamp eventid active timestamp eventid active 2020-02-01 22:44:23 E1 true 2020-02- ... find-start-and-end-time-of-events-which-is-still-not-active...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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181 views

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c++ - Compiles fine but when it reaches a certain point fails the run. What am I doing wrong?

I'm making a project with extensive code, which is one of the reasons below I won't be able to post it all. I ... -when-it-reaches-a-certain-point-fails-the-run-what-am-i-doing...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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197 views

1 answer

python - normalize strings of a column with fuzzy

I have a df similar to this (this is just an example, original df in spanish and is cumbersome to ... stackoverflow.com/questions/65863710/normalize-strings-of-a-column-with-fuzzy...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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159 views

1 answer

php - How to fetch a sum from database

This question already has answers here: question from:https://stackoverflow.com/questions/65850668/how-to-fetch-a-sum-from-database...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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301 views

1 answer

python - How to transform a pandas df to a complex json structure?

Current pandas dataframe: people animal frequencies Bob dog 2 Bob cat 1 Bob parrot 1 Kate dog 1 Kate parrot 1 Joy ... /how-to-transform-a-pandas-df-to-a-complex-json-structure...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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208 views

1 answer

python - drf serializer data not showing all fields data properly

id field and name field not showing in result. in models.py: class Group(models.Model): id = models. ... questions/65931761/drf-serializer-data-not-showing-all-fields-data-properly...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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450 views

1 answer

postgresql - How to write a migration to convert JSON field to Postgres Array for querying in rails?

There is an old table with column type as JSON but only arrays are stored in this column. Even though I am ... a-migration-to-convert-json-field-to-postgres-array-for-querying-in...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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177 views

1 answer

c - Write BMP image

I'm currently learning C and I started to write a BMP image reader and writer, to make some operations ... from:https://stackoverflow.com/questions/65840161/write-bmp-image...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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319 views

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arrays - update python list of lists on multithreaded

I have this simple python code: from threading import Lock, Condition, Thread n_threads = 5 global_list = [[ ... com/questions/65905005/update-python-list-of-lists-on-multithreaded...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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122 views

1 answer

How to wrap links into ul li in Ruby?

My apologize for syntactic illiteracy, I didn't have to deal with Ruby, but it is necessary to wrap links in the ul ... .com/questions/65893321/how-to-wrap-links-into-ul-li-in-ruby...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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202 views

1 answer

How to import a file from a subfolder when you are in another subfolder? (python)

I'm currently in the 'strategy.py' file and I'm trying to import 'utils.py' and 'BaseStrategy.py' ('utils.py ... -a-file-from-a-subfolder-when-you-are-in-another-subfolder-python...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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258 views

1 answer

if statement - Problem with parsing Variable to Return C# -Script Task Transformation

Hey there guys have a little Problem with my Return Value, it will be mapped to the empty string from ... -with-parsing-variable-to-return-c-sharp-script-task-transformation...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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110 views

1 answer

python - Add increasing number in a list of dictionaries

I have a list of dictionaries payloads = [{"a":20},{"b":20},{"c":20},{"d":20}] and a ... ://stackoverflow.com/questions/65559839/add-increasing-number-in-a-list-of-dictionaries...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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366 views

1 answer

laravel - handling empty table when displaying view of data

I have a laravel project. it has a table that I want to fill with data from a form. Currently it ... .com/questions/65599939/handling-empty-table-when-displaying-view-of-data...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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382 views

1 answer

collections - How do i filter and copy values to a list of objects based on another list in Kotlin

I am trying to filter a list of objects based on a certain condition from a second list and then update/copy certain ... values-to-a-list-of-objects-based-on-another-list-in-ko...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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249 views

1 answer

mysql - How to pass a variable parameter value using the update_all() method in Rails?

I'm trying to use the #update_all method to bulk update a huge amount of data at high speed in a rake task. ... pass-a-variable-parameter-value-using-the-update-all-method-in-rails...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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414 views

1 answer

vue.js - Component stays visible when using props in composition API

I have a vue 3 app which display product information. The home component displays all available products. Each ... /component-stays-visible-when-using-props-in-composition-api...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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165 views

1 answer

javascript - My html script has a LOT of href urls and is causing my page to slow down, how to solve this issue?

So, really I am a beginner on scripting and I did multiple hours research to find a solution but couldn't figure it out. ... of-href-urls-and-is-causing-my-page-to-slow-down-how-t...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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460 views

1 answer

powershell - Get-WmiObject to combine to outputs

I was executing below script to obtain the server patch version of Skype for business servers. I need ... stackoverflow.com/questions/65878997/get-wmiobject-to-combine-to-outputs...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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237 views

1 answer

javascript - insert async function inside then

I want make a Get Request with axios get method and chain a post Request if the Promise is successful ... ://stackoverflow.com/questions/65872270/insert-async-function-inside-then...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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124 views

1 answer

python - How to get the count of a group based on another group and plot the result

I have the following dataset of the Olympic games. I am trying to find out the number of won medals(I want to see ... ,85.0,Norway,NOR,2002 Winter,2002,Winter,Salt Lake City,Alpin...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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697 views

1 answer

python - How to flatten a nested JSON into a pandas dataframe

I have a bit of a tricky JSON I want to put into a dataframe. {'A': {'name': 'A', 'left_foot': ... .com/questions/65851044/how-to-flatten-a-nested-json-into-a-pandas-dataframe...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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956 views

1 answer

discord.js - Is there a way I can join a discord server, through its ID, My bot is already in the server

This question already has an answer here: question from:https://stackoverflow.com/questions/65646131/is-there-a-way-i-can-join-a-discord-server-through-its-id-my-bot-is-already-in...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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214 views

1 answer

javascript - Change style with Timeout in React function

I can't figure out why React is not updating the style on the Div as it's updating the style ... stackoverflow.com/questions/65936910/change-style-with-timeout-in-react-function...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.7k views

1 answer

javascript - display all json data with bootstrap card in a dynamic div using jquery

i'm still learning ajax,jquery and js here.. So in this problem i want to get the json data and display each of ... -all-json-data-with-bootstrap-card-in-a-dynamic-div-using-jquery...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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427 views

1 answer

iis - ASP.NET issues an expired authentication Cookie

I am facing a weird issue with FormsAuthentication's .ASPXAUTH cookie. I migrated a .NET 4.6.2 MVC5 ... .com/questions/65936781/asp-net-issues-an-expired-authentication-cookie...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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198 views

1 answer

r - Count the sequence of numbers while skipping missing values

I have a series of dates and I want to count each record the sequence of dates, while skipping missing ... /65906455/count-the-sequence-of-numbers-while-skipping-missing-values...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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134 views

1 answer

java - calling another method from different class

I was practicing java. And I created a method in another class within the same package such that, ... .com/questions/65865313/calling-another-method-from-different-class...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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