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243 views

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c++ - Abstract class accessing its child class functions

Is it possible to access the child's function members from a pointer of an abstract class as the ... com/questions/66060925/abstract-class-accessing-its-child-class-functions...

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

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300 views

1 answer

Google Script, Delete files within a folder based on the last modified date

I am trying to create a script that will work through a shared drive once a week, and delete anything that has ... -delete-files-within-a-folder-based-on-the-last-modified-date...

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

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313 views

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datetime - Logon time script | how to overwrite last logon Powershell

I have a script configured on my GPO that tracks a certain user group their logon times exported to a csv ... /66060855/logon-time-script-how-to-overwrite-last-logon-powershell...

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

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645 views

1 answer

Get response body data for a Network request in DevTools in java

Please help to get the response body(as json) for an intercepted request using Devtools Network. Below is the code ... response-body-data-for-a-network-request-in-devtools-in-java...

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

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333 views

1 answer

How do I get ping time in Powershell when using Test-Connection?

I am new to PS scripting. I am in need of help with my code. purpose: Ping to get 4 times response in ... 66060808/how-do-i-get-ping-time-in-powershell-when-using-test-connection...

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

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165 views

1 answer

reactjs - How to access the data within object fetch from firestore

How can i get access to the data from the object that i fetch from firebase forestore. I have code in which ... /66060439/how-to-access-the-data-within-object-fetch-from-firestore...

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

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238 views

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How to remove the last line in python to keep it at exactly 10 lines

I have a text file that already prepends until it has 10 lines Line 10 Line 9 Line 8 Line 7 Line 6 Line 5 Line 4 ... -remove-the-last-line-in-python-to-keep-it-at-exactly-10-lines...

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

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194 views

1 answer

node.js - Websocket behind apache - Unexpected response code 500

I have a NodeJS api with a websocket using socket.io. The api listen on http://localhost:8080 and ... .com/questions/66060427/websocket-behind-apache-unexpected-response-code-500...

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

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179 views

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algorithm - What is a plain English explanation of "Big O" notation?

I'd prefer as little formal definition as possible and simple mathematics. question from:https://stackoverflow.com/ ... i-am-interested-in-learning-about-algorithms-but-cannot-unde...

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

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262 views

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Call a script within another script in python

(This question already has answers here): question from:https://stackoverflow.com/questions/66060382/call-a-script-within-another-script-in-python...

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

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440 views

1 answer

iteration - Fast iterative calculation in a vector

Suppose we have a start value S <- 10 and two vectors, i.e. x <- c(0,0,1,1,1,0,0,1 ... from:https://stackoverflow.com/questions/66060372/fast-iterative-calculation-in-a-vector...

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

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190 views

1 answer

python - Using `and` instead of `,` when starting multiple context managers in `with` statement

When writing unit tests, I was often using following pattern: with self.subTest("Invalid input") and self. ... -instead-of-when-starting-multiple-context-managers-in-with-sta...

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

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273 views

1 answer

amazon web services - How to add custom names Lambda function, API gateway, and Stage name in SAM template

I am trying my hands on SAM templates. Here I am trying to figure out how can I add custom names within the ... custom-names-lambda-function-api-gateway-and-stage-name-in-sam-temp...

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

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94 views

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html - How to handle video html5 process dowloading file?

I have a CDN server and get from it a .mp4 file by video-tag src. A goal is to stop process ... .com/questions/66060210/how-to-handle-video-html5-process-dowloading-file...

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

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129 views

1 answer

python - Passing dataframe to keras sequential model

I'm trying to build and train a simple MLP model using keras.Sequential(). However, I'm having ... /stackoverflow.com/questions/66061563/passing-dataframe-to-keras-sequential-model...

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

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188 views

1 answer

Django Group By in QuerySet

I have a table of transaction, and i am looking to extract a table summary with data grouped by year, ... https://stackoverflow.com/questions/66061413/django-group-by-in-queryset...

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

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204 views

1 answer

python - How to np.argsort multi-dimensional array

How to np.argsort 2 and 3-dimensional array? For example: np.argsort 1d array works: x = np. ... stackoverflow.com/questions/66061408/how-to-np-argsort-multi-dimensional-array...

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

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253 views

1 answer

python 3.x - Can I use tk.Tk() again if I destroy the previous instance?

I know that using multiple tk.Tk() in a single app is a bad practice and if I want to create multiple windows I ... /can-i-use-tk-tk-again-if-i-destroy-the-previous-instance...

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

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136 views

1 answer

How to get access between a database and a mobile app that are not on the same network?

How will I be able to connect my app with a database that is on other network and private (maybe)? I have tried to ... -a-database-and-a-mobile-app-that-are-not-on-the-same-n...

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

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137 views

1 answer

python - Iterating over Keys of a dictionary in For and If loop

I have a dictionary which looks like this: websites = { "instagram": f'https://www.instagram.com/{username}', " ... /66061350/iterating-over-keys-of-a-dictionary-in-for-and-if-loop...

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

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236 views

1 answer

javascript - Only display 1 JQ Validator Error Message For A Group Of Inputs (Sort Code)

I'm new to JQuery Validator so trying to add it to an existing project but I have a set of 3 inputs for a ' ... display-1-jq-validator-error-message-for-a-group-of-inputs-sort-code...

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

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424 views

1 answer

vue.js - copy files between src folders using Webpack not able to do the same with copywebpack plugin

I'm designing TV app that should be compatible for multiple devices LG and Samsung, and i need to copy specific ... -folders-using-webpack-not-able-to-do-the-same-with-copywe...

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

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187 views

1 answer

jquery - Want to implement loader across application

I want to implement loader on all the button click across application. I am thinking on shared layout ... .com/questions/66061129/want-to-implement-loader-across-application...

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

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199 views

1 answer

html - Logo image at same line height as text in navigation bar

I'm trying to put my Logo at the same line height as my text inside my navigation bar. Here is an example of ... /66061114/logo-image-at-same-line-height-as-text-in-navigation-bar...

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

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367 views

1 answer

java - save the object using Hibernate object references an unsaved transient instance save the transient instance before flushing

I'm trying to save instance and this instance has an aggregation with another instance..the problem isi ... -object-using-hibernate-object-references-an-unsaved-transient-instance...

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

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219 views

1 answer

function - how to fetch json array in postgresql

The below code is a json parameter. how to fetch roles details. i need to fetch id of roles array. ' ... /stackoverflow.com/questions/66061042/how-to-fetch-json-array-in-postgresql...

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

0 votes

238 views

1 answer

php - Blob image doesn't show

I saved my images into DB as LONGBLOB and when i try to read and display them it doesn't show anything ... from:https://stackoverflow.com/questions/66061031/blob-image-doesnt-show...

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

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313 views

1 answer

java - Configure Artifact in Intellij to create a war file

So assume I have a Java Project in Intellij. My goal is to export it as a war file and run it in a ... .com/questions/66060971/configure-artifact-in-intellij-to-create-a-war-file...

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

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