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r - data.table fifelse giving wrong warning?

I found warning difference using fifelse from data.table library: set.seed(123) df <- data.table(ID ... stackoverflow.com/questions/65833177/data-table-fifelse-giving-wrong-warning...

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

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146 views

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asp.net - Radio button list in vb.net

How can I check if a radio button inside a radio button list is checked? I used if radiobuttonlist1. ... /stackoverflow.com/questions/65833174/radio-button-list-in-vb-net...

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

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1.3k views

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vue.js - Call different methods for form with multiple buttons using Vue

I have a form with more than one button: <form action="#" @submit.prevent="submit"> <div class="col- ... /65833126/call-different-methods-for-form-with-multiple-buttons-using-vue...

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

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1.1k views

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payment - Retrieve Credit Card Artwork

ApplePay retrieve the artwork of a credit card when a card is registered for use. Is it possible to ... :https://stackoverflow.com/questions/65833084/retrieve-credit-card-artwork...

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

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816 views

1 answer

search - Reading and finding data in Binary Files Python

I'm reading in a binary file, and need to find some values in that file. This binary file contains some ... .com/questions/65833050/reading-and-finding-data-in-binary-files-python...

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

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280 views

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Updating nested lists inside a dynamodb table

{ "Items": [ { "0":{"id":"PrimaryKey" "comments":[ "0":{"commentId":"UniqueCommentID" "text ... //stackoverflow.com/questions/65833045/updating-nested-lists-inside-a-dynamodb-table...

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

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524 views

1 answer

sdn - How to add flow rules in POX controller

I recently started learning SDN and installed mininet to understand its working. I understood how to build basic ... questions/65832990/how-to-add-flow-rules-in-pox-controller...

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

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167 views

1 answer

Handling Exception Errors through try-catch

I've taught myself how to write basic code, and now I'm trying to teach myself more about ... /stackoverflow.com/questions/65832976/handling-exception-errors-through-try-catch...

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

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369 views

1 answer

Angular (Universal) - Preloading JSON data with rel="preload"

I have an angular application (which I am converting into SSR with angular universal). During the load ... /65832926/angular-universal-preloading-json-data-with-rel-preload...

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

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91 views

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sql server - How can i optimize or speed up the following sql query?

So I have the following SQL query which by the way works fine in terms of data extraction. The only issue is ... 65832910/how-can-i-optimize-or-speed-up-the-following-sql-query...

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

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259 views

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got some warning and cannot install Laravel properly

When I used terminal for install Laravel. Get some warning PHP Warning: file_get_contents(C:UsersAcer/eight/.env) ... /65832854/got-some-warning-and-cannot-install-laravel-properly...

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

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324 views

1 answer

swift - How to get rid of a glitch when deleting a ForEach item

I have a MyObservableObject showing [ForEachItem] and a ForEachShowTest view. When I want to "delete" an item from ... to-get-rid-of-a-glitch-when-deleting-a-foreach-item...

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

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162 views

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r - default value for method in cor()

I am using GGally::ggscatmat to generate plots of a correlation matrix. In the help file ?ggscatmat it ... /stackoverflow.com/questions/65832810/default-value-for-method-in-cor...

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

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194 views

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Need assistance with python module

This question already has answers here: question from:https://stackoverflow.com/questions/65832778/need-assistance-with-python-module...

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

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232 views

1 answer

python - Iterate Through Element in List

I have a dataframe containing city names in which I converted to a list. I need to take each indivudal ... ://stackoverflow.com/questions/65832760/iterate-through-element-in-list...

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

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682 views

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php - "return type has no value type specified in iterable type array." error does not reflect reality?

I am on php 7.4 and using phpstan action in github (latest) actions-x/phpstan@v1 I am getting the following error ... -no-value-type-specified-in-iterable-type-array-error-does-not...

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

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216 views

1 answer

SwiftUI TabView not working, it just shows text off screen

I am trying to get a TabView in SwiftUI, but it just doesn't work... My code is here: import ... questions/65832653/swiftui-tabview-not-working-it-just-shows-text-off-screen...

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

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221 views

1 answer

reactjs - React-Native: When to use Class- or Functional-Components?

I am pretty new to react/react-native and want to develope my first app. During programming I saw that ... /65832589/react-native-when-to-use-class-or-functional-components...

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

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327 views

1 answer

powershell - Check if process is running on multiple remote computers and copy a file if process is NOT running, keep list of those which succeeded

I need to copy a file to multiple computers, but can only do so if a particular app (process) is not running. I ... -is-running-on-multiple-remote-computers-and-copy-a-file-if-proc...

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

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90 views

1 answer

python - Get text of variable from a different Class

I am trying to get the Text from a variable which is located inside a function inside a different class. The ... com/questions/65833561/get-text-of-variable-from-a-different-class...

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

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235 views

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apache zookeeper - KeeperErrorCode = InvalidACL when using kafka-configs

I'm trying to setup my kafka cluster to accept SASL_SSL / SCRAM authentication. First of all, ... .com/questions/65833344/keepererrorcode-invalidacl-when-using-kafka-configs...

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

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237 views

1 answer

multithreading - Where can PTHRED_MUTEX_ADAPTIVE_NP be specified and how does it work?

I found that there's a macro called PTHRED_MUTEX_ADAPTIVE_NP which is somehow given as a value to a mutex so that the ... pthred-mutex-adaptive-np-be-specified-and-how-does-it-work...

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

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53 views

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java - Data duplication after SwipeRefreshLayout

I have added a SwipeRefreshLayout in my Activity to update the table in case of need, but I ... ://stackoverflow.com/questions/65833316/data-duplication-after-swiperefreshlayout...

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

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241 views

1 answer

javascript - sub menu hover i need some answers

I have a code for menu. i want add submenu for category1 how can I do this ? I have a code for menu. ... ://stackoverflow.com/questions/65833299/sub-menu-hover-i-need-some-answers...

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

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147 views

1 answer

python - Dataframe split columns value, how to solve error message?

I have a panda dataframe with the following columns: Stock ROC5 ROC20 ROC63 ROCmean 0 IBGL.SW -0.59 3 ... /65833286/dataframe-split-columns-value-how-to-solve-error-message...

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

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329 views

1 answer

linux - GCP emergency mode not available fs '/' is on read only

My fs '/' is on ro mode and I cannot umount it and remount it in rw. All command like a simple touch ... com/questions/65833266/gcp-emergency-mode-not-available-fs-is-on-read-only...

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

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145 views

1 answer

java - Spring Data - Query By Example result different from JPQL result

During a Unit test i found a small "odd behavior" on query example. I have the following entity definition ... /spring-data-query-by-example-result-different-from-jpql-result...

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

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479 views

1 answer

How to add a link to offer an alternate route in Azure B2C custom policy

I've followed one of the provided samples to add TOTP multi factor authentication supported by a phone app: https:// ... link-to-offer-an-alternate-route-in-azure-b2c-custom-policy...

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

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