All Questions

i found a situation where i lost database so i learn lesson that we should always daily backup so i am writing php program but i don't know where to start so any one can help me to backup database daily at my server

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so i want to group by object by manager so it should be group object by manager name is that any library can help easily at JavaScript ?

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what is use of !important in css ?

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i am starting learning to make web app by React js . i am little worried for SEO that if i make React JS based Web App and possibly google , bing , yahoo crawler cant able to crawl because its total javascript . crawler dont crawl JavaScript . crawler see the webpage without Javascript so it not indexed properly at search enginee is it good to make web app on React JS ? is there any way to make React JS web app make without sacrifice of Search Engine ranking ?

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json have used "-" at key name so when i call with object JSON . it cant accessible

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How to create splash screen on Electron Js application before mainWindow start to run ? my concept is load loading bar or My Application logo untill mainWindow Ready here is the example code what i burning there

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i found this error message: "Cannot find entry file index.android.js in any of the roots:"

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installing Expo in pc , i run command so i stuck . what to do now ? is that secure to run command Enable-WindowsOptionalFeature -Online -FeatureName Microsoft-Windows-Subsystem-L inux and what is this command do ? and why i got error on that ?

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Application has not been registered. Hint: This error often happens when you're running the packager (local dev server) from a wrong folder. For example you have multiple apps and the packager is still running for the app you were working on before. If this is the case, simply kill the old packager instance (e.g. close the packager terminal window) and start the packager in the correct app folder (e.g. cd into app folder and run 'npm start'). This error can also happen due to a require() error during initialization or failure to call AppRegistry.registerComponent

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in server with php for print_r($_REQUEST) i only found GET parameter not any POST parameter . i tried many way but it is not working

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Remote Debugger says : Failed to load resource: the server responded with a status of 500 (Internal Server Error)

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How to connect api with react-native , i used jquery ajax to call server side api untill now for my all javascript web page but dont know how to do ajax call with react-native using login form so it must use POST method api call

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it always initialize adb emulator but i want to run it with physical device without closing emulator , is that possible ?

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i connected device with USB , trying to run app at directly device by trying to run at XIAOMI 4 , 6.0.1

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i want to get percentage of value like i have 12345 total amount and 1200 amount is how much percentage of 12345 ?

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what is api.ai ? how it work ? can we use it for auto answer program ? machine-learning-system

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not able to run android project at android studio

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trying to make window executable file for my electron App i run command

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