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What does the error " bad operand types for binary operator '&&' " mean in java program?

Closed. This question is not reproducible or was caused by typos. It is not currently accepting answers. question from: ... -operand-types-for-binary-operator-how-can-i-solve-this...

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

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mysql - java and sql showed #1241 - Operand should contain 1 column(s)

SELECT * FROM rooms WHERE roomID NOT IN (SELECT * FROM rooms r,reservation e WHERE r.roomID=e.roomID AND ( ... /65935828/java-and-sql-showed-1241-operand-should-contain-1-columns...

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

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python - incompatibility issue between scikit-learn 0.24.1 and scikit-optimize 0.8.1

I have scikit-learn 0.24.1 and scikit-optimize 0.8.1, when I tried to use the BayesSearchCV function it gave me this ... issue-between-scikit-learn-0-24-1-and-scikit-optimize-0-8-1...

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

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node.js - How to use array_agg() in sequelize?

I want to use array_agg() function with sequelize. How can I do that ? I have been used below code, but ... //stackoverflow.com/questions/65935841/how-to-use-array-agg-in-sequelize...

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

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angular - ERROR ObjectUnsubscribedErrorImpl {message: "object unsubscribed", name: "ObjectUnsubscribedError"}

Hello now I'm making MEAN stack web application now. However, I got ObjectUnsubscribedErrorImpl error. First, I have user ... routerLink]="['/profile/upload']"> Image Upload </...

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

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css - Is there a way to have IMG width:100%, margin 10px automatically fit inside a div of fixed width without spilling out

This question already has answers here: question from:https://stackoverflow.com/questions/65936390/is-there-a-way-to-have-img-width100-margin-10px-automatically-fit-inside-a-di...

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

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wifi - Connect to an access point on Android 10 (without internet)

maybe someone can help me. I want to connect to an access point and do an httpRquest. My code worked until ... /65936203/connect-to-an-access-point-on-android-10-without-internet...

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

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how to persist redux app state in flutter?

i would like to persist my app states. when i exit the app and i come back to it all my states ... stackoverflow.com/questions/65935715/how-to-persist-redux-app-state-in-flutter...

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

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pandas - how to make two rows to single row based on index in python

I am trying to convert data frame with two rows as single row. here i am placing tables for better understanding. This ... to-make-two-rows-to-single-row-based-on-index-in-python...

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

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javascript - How do I use a Vue 2 component in a HTML single file that uses Vue 3 UMD build

I'm trying to use https://vue-treeselect.js.org/ (multi-select component with nested options) in a Vue 3 single local ... -component-in-a-html-single-file-that-uses-vue-3-umd-build...

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

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PHP function to make more values = 0 if an id = 52 (value)

Hello i have a table when i want to display some td value = 0 if the status of the task has the id=52! Down ... /65936264/php-function-to-make-more-values-0-if-an-id-52-value...

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

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Need to compare two xml in while loop controller of Jmeter

I am adding below condition in while loop to compare two xml with limit to its repetition ${__javaScript(("${ ... need-to-compare-two-xml-in-while-loop-controller-of-jmeter...

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

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c# - validate email address from an array of strings

I need to validate that email address is valid or not from an array of strings as input? I am having the ... .com/questions/65936435/validate-email-address-from-an-array-of-strings...

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

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android - Can't scroll my recycler view to last element

I try to scroll my recycler view to the last element. When I remove app:layout_behavior="@string/ ... android:id="@+id/btn_send" android:layout_width="wrap_c...

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linux - package created by install4j not recognised as newer

I have version "1.0" of my application installed on Linux (ubuntu and fedora). To test the update I ... com/questions/65935783/package-created-by-install4j-not-recognised-as-newer...

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

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python - Print not showing string variables

so, me and one of my friends are making a Percy Jackson text adventure in Python (we are nerds), ... https://stackoverflow.com/questions/65936412/print-not-showing-string-variables...

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

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r - How to create a string with sprintf

I would like to create a string like JSON format using the sprintf function. I use this code: elements_list = ... .com/questions/65936147/how-to-create-a-string-with-sprintf...

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

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qt - How do I get the objectName of QML elements I click on?

I'm new in a rather large QML codebase and I want to know the properties of the QML element I click on when running ... /how-do-i-get-the-objectname-of-qml-elements-i-click-on...

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

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YouTube Data API: video update error: the request metadata is invalid

I get an error when adding title and description translation to some videos. Methods I've Tried I tested for ... -data-api-video-update-error-the-request-metadata-is-invalid...

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

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asp.net core - How can I solve same site attribute problem in Chrome80?

My website developed by asp.net core 5 The website has added a third-party js package for statistics(Something like ... /how-can-i-solve-same-site-attribute-problem-in-chrome80...

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

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Unable to run python code which intends to show superimposed protein

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PHP - concatenate ' checked' to each string value in multidimensional array using recursion

I have a multidimensional array in PHP, and want to concatenate a string onto each string element using ... concatenate-checked-to-each-string-value-in-multidimensional-array-usin...

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

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c# - Is it possible to remove the full-paths from .NET assemblies created with dotnet build?

question from:https://stackoverflow.com/questions/65935784/is-it-possible-to-remove-the-full-paths-from-net-assemblies-created-with-dotnet...

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

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javascript - How to set .js file as main in NW.js?

I followed NW.js' offical doc, but the window never appears. If I switch package.json to "main": "index.html", window ... com/questions/65936261/how-to-set-js-file-as-main-in-nw-js...

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

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node.js - fetching data from API in react poll

I want to fetch data from API and show frontend using react but I am getting error from frontend side which ... .com/questions/65936091/fetching-data-from-api-in-react-poll...

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

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javascript - How to pass comment object to reply form in django

I can't find a way to pass comment model to a jQuery reply form. Code on github: github. Snippet code is ... /questions/65936409/how-to-pass-comment-object-to-reply-form-in-django...

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

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python - pyqt5 QFontDialog, is there a way to show only the font part?

while opening the QFontDialog it gives the user the following options: changing font, changing size, changing font style(italic, ... -is-there-a-way-to-show-only-the-font-part...

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

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reactjs - VS Code: Show full definitions for interface

I want Visual Studio Code to show the type definitions when hovering over the functional component. When ... /questions/65936176/vs-code-show-full-definitions-for-interface...

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

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