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python - How to make a fast functional mergesort and generators

Hi I am trying to make a merge sort algorithm in python. I want to do it as functional as possible ... /questions/66054711/how-to-make-a-fast-functional-mergesort-and-generators...

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

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171 views

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python - Pandas groupby.sum() not working properly?

I gamble on a site called PredictIt. I've downloaded a csv file with all of my Profit and Loss ... //stackoverflow.com/questions/66054667/pandas-groupby-sum-not-working-properly...

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

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590 views

1 answer

django query get last n records

Lets say I am implementing a message stream, records sort by ID ascending order, each fetch request, I want to only ... /get-last-few-items-and-append-to-list-with-while-loop...

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

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218 views

1 answer

python - Pandas: Filter to get rows which contain a character not on a specified list

Say this is my column (datatype is string) '83.83' '334-339.99' '45' '(34.23)' 'R34.2' I would like ... /pandas-filter-to-get-rows-which-contain-a-character-not-on-a-specified-list...

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

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272 views

1 answer

Scala regex pattern extractor

What am I doing wrong here: val pattern = "([1-7]),([0-1][0-9]|[2][0-3])([0-1] ... true. question from:https://stackoverflow.com/questions/66055991/scala-regex-pattern-extractor...

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

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98 views

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javascript - Discord.js. CronJob not working with command handling

As said in the title I have a problem when i need to export a schedule made with CronJob. The error ... com/questions/66055975/discord-js-cronjob-not-working-with-command-handling...

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

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279 views

1 answer

pandas - Python - List comprehension with if-else on column / list containing NaNs

There is a df column that has strings (with extra spaces) and NaNs. I want to remove the extra spaces ... /python-list-comprehension-with-if-else-on-column-list-containing-nans...

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

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184 views

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plot - How to create a bar graph with scatter for two metrics across three conditions in R

I want to create a somewhat complicated bar graph where I show data about how participants perceived 40 videos. I ... -graph-with-scatter-for-two-metrics-across-three-conditions-i...

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

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237 views

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reactjs - Chrome isn't saving Cookies in development

I'm trying to set an HTTPOnly token sent from a backend server written in golang into my browser. ... stackoverflow.com/questions/66055788/chrome-isnt-saving-cookies-in-development...

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

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166 views

1 answer

python - django ModelForm extra field

i will like to have extra field in modelForm. From this extra field i will like to pass the value ... :https://stackoverflow.com/questions/66055767/django-modelform-extra-field...

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

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203 views

1 answer

android - I'm looking to be able to do this with an App Inventor activity starter

I am trying to add a V-CARD scanned via QR. I want to make the user have the option to add contact when ... looking-to-be-able-to-do-this-with-an-app-inventor-activity-starter...

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

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131 views

1 answer

Is there a way to detect input form file redirection? (C++)

I'm making a program that receives input in 3 ways: keyboard (via cin) file (via argument given at cmd line) ... /66055708/is-there-a-way-to-detect-input-form-file-redirection-c...

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

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225 views

1 answer

pyspark - Does Spark guarantee consistency when reading data from S3?

I have a Spark Job that reads data from S3. I apply some transformations and write 2 datasets back to ... /66055679/does-spark-guarantee-consistency-when-reading-data-from-s3...

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

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360 views

1 answer

Azure IAM - is it possible to audit group memberships using Azure Policy?

I want to first audit (and later enforce) that user names added to a specific AD Group follow certain naming ... iam-is-it-possible-to-audit-group-memberships-using-azure-policy...

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

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300 views

1 answer

c++ - TagLib - Segfault when fetching tag

I'm using TagLib to get tags from audio files for my application that I'm making using wxWidgets. I ... ://stackoverflow.com/questions/66055653/taglib-segfault-when-fetching-tag...

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

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178 views

1 answer

c - Tracking malloc allocations/free with LD_PRELOAD

I'm collecting statistics on malloc's behavior when it allocates and free. Since each address for my ... com/questions/66055609/tracking-malloc-allocations-free-with-ld-preload...

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

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302 views

1 answer

swift - Is there any way to remove the fading animation on .onDelete SwiftUI

The code is below. I want to delete the final fading animation when onDelete is tapped. struct ContentView: View ... -any-way-to-remove-the-fading-animation-on-ondelete-swiftui...

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

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356 views

1 answer

ruby on rails - Doorkeeper JWT without storing the whole jwt in database

We have an oauth server that uses doorkeeper. We want to start using doorkeeper jwt, but we can't turn ... /66056762/doorkeeper-jwt-without-storing-the-whole-jwt-in-database...

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

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125 views

1 answer

python - Compute sum of power of large sparse matrix

Given a query vector (one-hot-vector) q with size of 50000x1 and a large sparse matrix A with size of 50000 ... .com/questions/66056756/compute-sum-of-power-of-large-sparse-matrix...

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

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167 views

1 answer

python - Use None as initial for itertools.accumulate

It'd be nice to use itertools.accumulate with initial=None to literally mean that it should start with None ... .com/questions/66056688/use-none-as-initial-for-itertools-accumulate...

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

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244 views

1 answer

swift - Not able to add UIBarbutton ?? live playgrounds

I was trying to add a Barbutton to my navitem but it does not get added I am using live playground ... .com/questions/66056626/not-able-to-add-uibarbutton-live-playgrounds...

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

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965 views

1 answer

active directory - Is there a way to create a conditional statement in Ansible that will end the process when reading a string has finished?

I created an ansible-playbook which aims to create a group on Active Directory. However, I encountered a problem when ... -a-conditional-statement-in-ansible-that-will-end-the-pr...

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

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182 views

1 answer

powershell - Why is try {} on my ps1 script wont work?

I have a code like this: $powerSchemes = powercfg /l | ForEach-Object { if ($_ -match 'Power Scheme GUID:s*([ ... .com/questions/66056539/why-is-try-on-my-ps1-script-wont-work...

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

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322 views

1 answer

reactjs - OnsenUI React: How to set different animations for pushing pages?

I understand that you can set overall animation in the <Navigator> component like <Navigator animation="lift"/> ... onsenui-react-how-to-set-different-animations-for-pushing-pages...

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

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159 views

1 answer

Find and replace text in all stored procedures (SQL Server)

I have been asked to make changes in all the stored procedure in a SQL Server database to replace CONVERT(varchar ... /find-and-replace-text-in-all-stored-procedures-sql-server...

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

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413 views

1 answer

parsing - ANLTR precedence across multiple parser rules

Consider the following grammar grammar precedence; s: expr EOF; expr: '!' expr | expr '.' ID ... /stackoverflow.com/questions/66056215/anltr-precedence-across-multiple-parser-rules...

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

0 votes

152 views

1 answer

html - Bootstrap file select fields not updating after file selected

I am using Bootstrap v4.5.0 in a Django template (not sure if relevant). Specifically I am using ... /66056205/bootstrap-file-select-fields-not-updating-after-file-selected...

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

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137 views

1 answer

sql - How to remove condition check in the where clause statement?

I would like to know how to use if/else or case statement in the below query or anything that could achieve ... 66056072/how-to-remove-condition-check-in-the-where-clause-statement...

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

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