Q Promise

Author: learning-zone

README.md

@@ -81,6 +81,7 @@
 | 71. |[What is difference between promise and async await in node js?](#q-what-is-difference-between-promise-and-async-await-in-node-js)|
 | 72. |[How to use JSON Web Token (JWT) for authentication in node js?](#q-how-to-use-json-web-token-jwt-for-authentication-in-node-js?)|
 | 73. |[How to build a microservices architecture with node js?](#q-how-to-build-a-microservices-architecture-with-node-js?)|
+| 74. |[How to use Q promise in node js?](#q-how-to-use-q-promise-in-node-js?)|
 
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@@ -2175,6 +2176,7 @@ The difference between `process.nextTick()` and `setImmediate()` is that `proces
 #### Q. ***What is difference between promise and async await in node js?***
 #### Q. ***How to use JSON Web Token (JWT) for authentication in node js?***
 #### Q. ***How to build a microservices architecture with node js?***
+#### Q. ***How to use Q promise in node js?***
 
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