How to check variable is null or undefined?

To check for null or undefined in TypeScript, use a comparison to check if the value is equal or is not equal to null or undefined.

Check example below:

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How to filter numeric value and remove if 1st character is zero?

In below example will see how to filter numeric value (1-9) and remove all unnecessary characters and if 1st character is zero from a string by using regular expression and charAt method.

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How to filter numeric value and remove all unnecessary characters?

In below example will see how to filter numeric value (0-9) and remove all unnecessary characters from a string by using regular expression.

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How to loop an array of objects and print some key value?

I used the map() method to iterate over the array of object. In objectItems has some array of object items. In below example will see how to map an array of objects and iterate over the array of object and write console log product ID and product Name by using TypeScript or Javascript.

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How to filter an array of objects in TypeScript?

I used the filter() method to iterate over the array of object. In objectItems has some array of object items. I have iterate over the array and checked & compaire eventId & productId, if eventId not equal 3 & productId not equal 8 in object objectItems meets those conditions.

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How to check an Object if value exists JavaScript?

In objectItems variable has some array of items. I have checked and compaire productId exists and productId equal 2 in object objectItems?

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How to check an Object if multiple value exists in Object items?

This is work for me. Here in objectItems has some array of object items. I have checked and compaire eventId and productId exists and eventId equal 5 & productId equal 10 in object objectItems?

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Laravel migration syntax error access violation 1071 specified key was too long

Laravel migration syntax error, SQLSTATE[42000]: Syntax error or access violation: 1071 Specified key was too long; max key length is 1000 bytes (SQL: alter table `personal_access_tokens` add index `personal_access_tokens_tokenable_type_tokenable_id_index`(`tokenable_type`, `tokenable_id`))

What worked for me was editing the config/database.php file in config directory.

Edit:

To:

I did it with Laravel 9.x

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How to add line break in Whatsapp text message using javascript?

Sending messages is quick with the Enter key. But you can also added line break at WhatsApp text message via the API using window.open request, we show here.

Please create your message string with “%0a” where you want to add line break.

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i18next::pluralResolver: Your environment seems not to be Intl API compatible

i18next::pluralResolver: Your environment seems not to be Intl API compatible, use an Intl.PluralRules polyfill. Will fallback to the compatibilityJSON v3 format handling.

Solution:

Just modifyed your i18n.js file and add “compatibilityJSON: ‘v3’” on init mathod.

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