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sql - Receiving ORA-01843: not a valid month error while retrieving data between two dates

I have a column in oracle database table which is Varchar2. In this column I am storing date line 29-1-2021 or ... 01843-not-a-valid-month-error-while-retrieving-data-between-two-d...

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

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node.js - passport.authenticate('local') doesn't redirect to some page

I wanted to make a login system with Passport. Everything went well until I tried to login with ... com/questions/65914774/passport-authenticatelocal-doesnt-redirect-to-some-page...

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

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How to export object in TypeScript from Types.ts file

I have following declaration in the end of Types.ts: export let selectItemList = { selectedInvoiceProvider: new ... -to-export-object-in-typescript-from-types-ts-file...

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

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docker - In Dockerfile, how to append a value to an environment variable that can exist in base image?

Let's assume we have a Dockerfile like this: FROM SomeBaseImage:Version ENV MyVar="MyValue" In case SomeBaseImage already ... -a-value-to-an-environment-variable-that-can-exist-i...

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

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reactjs - Error android after update react native, I can't open the App

enter image description here I have this problems. My build SUCCESSFUL, but I see this. IOS ios worked. Please help ... /error-android-after-update-react-native-i-cant-open-the-app...

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

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user interface - Flutter, How do I add favorites inside a ListView.builder

I'm trying to allow a user to mark a post being built by a ListView.builder as a like . With my ... questions/65652055/flutter-how-do-i-add-favorites-inside-a-listview-builder...

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

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html - How can I save images in the database and display them on the site?

There is a field in the database table that receives images in blob format. How can this be displayed on the site? ... i-save-images-in-the-database-and-display-them-on-the-site...

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

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javascript - React Hook "useState" is called in function

I have button click system and it works. function clickCreate(msg){ console.log(msg); } const CreateButton = ... .com/questions/65643375/react-hook-usestate-is-called-in-function...

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

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Computing a single element of the adjugate or inverse of a symbolic binary matrix

I'm trying to get a single element of an adjugate A_adj of a matrix A, both of which need to be symbolic ... -single-element-of-the-adjugate-or-inverse-of-a-symbolic-binary-matri...

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

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visual studio code - VSCode go extension: could not import error

Closed. This question is not reproducible or was caused by typos. It is not currently accepting answers. ... com/questions/65867785/vscode-go-extension-could-not-import-error...

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

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javascript - Can't build React/Next project - found page without a React Component as default export (context api file)

I'm trying to build my Next.js project but it keeps giving me this error in the terminal: Error: Build ... -react-next-project-found-page-without-a-react-component-as-default...

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

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swift - Moving from one SwiftIUI view to another

I'm new to app development and I'm building an app which requires moving across different views. At the ... .com/questions/65863069/moving-from-one-swiftiui-view-to-another...

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

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postgresql - How can I get table tuple and transform it into an array in C for postgres?

I'm following Postgres documentation https://www.postgresql.org/docs/8.2/xfunc-c.html for writing C function and creating ... tuple-and-transform-it-into-an-array-in-c-for-postgres...