Category Error Tutorials

Homebrew install specific version of formula?

Tutorial: Homebrew install specific version of formula? How do I install a specific version of the formula in homebrew? For example, PostgreSQL-8.4.4 instead of the latest 9.0. Solutions Homebrew install specific version of formula? Solution 1: Homebrew install specific version…

Uninstall/remove a Homebrew package including all its dependencies

Tutorial: Uninstall/remove a Homebrew package including all its dependencies I have a Homebrew formula that I wish to uninstall/remove along with all its dependencies, skipping packages whom other packages depend upon (a.k.a. Cascading package removal in Package manager parlance). e.g. Uninstall package a which depends on packages b & c,…

Draw E-R diagram for Hospital management System

Tutorial: Draw E-R diagram for Hospital Management System Hospitals are a very integral part of the infrastructure of society. So, they need to have good management and management systems. To ensure the establishment of a good system, you must plan…

Android 8: Cleartext HTTP traffic not permitted

Tutorial: Android 8: Cleartext HTTP traffic not permitted I had reports from users with Android 8 that my app (that uses back-end feed) does not show content. After investigation I found following Exception happening on Android 8: (I’ve removed package…

What does body-parser do with express?

Tutorial: What does body-parser do with express? I don’t understand why we need body-parser in an Express application, as we can get data without using body-parser. And what does it do actually and how? Solutions of What does body-parser do with express? Solution…

How to set focus on an input field after rendering?

Tutorial: How to set focus on an input field after rendering? What’s the react way of setting focus on a particular text field after the component is rendered? Documentation seems to suggest using refs, e.g: Set ref=”nameInput” on my input field in…

How to install Java 8 on Mac

Tutorial: How to install Java 8 on Mac I want to do some programming with the latest JavaFX, which requires Java 8. I’m using IntelliJ 13 CE and Mac OS X 9 Mavericks. I ran Oracle’s Java 8 installer, and…

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