Events and EventEmitter in Node.js
What Are Events in Node.js? Node.js is designed around an event-driven architecture. This means that instead of waiting for tasks like file operations or HTTP requests to finish, Node.js uses events to signal when these tasks are complete. To manage
Error Code: 3. Error writing file ‘/tmp/MYMI5iqH’ (Errcode: 28)
Problem Recently in a website we were developing in Codeigniter PHP Framework, some of the urls stopped working and started throwing 500 internal server error. On investigation we found a MySQL query which was causing the problem .Query is simple
Salesforce prevents calls to unauthorized network address
We have a callout inside a class (using @future) which was throwing following exception: Apex script unhandled exception by user/organization:005A0000001WKkE/00DA0000000KYuL Failed to invoke future method ‘public static void invokeProcess(String, String, String, Decimal, String, String, String, Datetime, String, String)’ on class
Salesforce Apex Data Loader – Date values off by 1 day
How can I ensure my dates are correct when loading with the Data Loader? When loading data into date fields such as Opportunity Close Date using the Data Loader, the date displayed in the application is sometimes one day earlier/later
Heroku | Run Cakephp Code as Cron Job
Problem The requirement was to run CakePHP controller action as cron job on Heroku. In order to achieve this you need to schedule this action so that it runs at specific time intervals on Heroku. To run the code you
Salesforce – Using dataloader on Linux
If you work on Linux and you want to upload data to Salesforce from a Linux machine, you cannot use dataloader as it is Windows based program. Besides you need to install it on your machine and you also need
Moodle | How to set a course as completed
Following are the steps to complete a course in moodle by admin : 1. Open the course that you want to complete. 2. To the left side there will be a link of “Edit Settings”. In this link there will
Heroku – Session expires or gets deleted on every commit
Session expires or gets deleted on every commit in Heroku Follow these steps to fix this problem: 1. Install MemCachier addon in your heroku app 2. Create .user.ini file in your Heroku app and write following code in the file:
Cannot Start Apache Service
It’s a common problem while starting XAMPP, especially for Skype users. The default port used by both Skype and Apache is 80. In order to use both of them you should change the port number for one of them. Here
Shared Hosting | Absolute location of a file
If you want to access a file on a shared hosting server by specifying its absolute location it may not work. The reason is what we see on shared hosting as root folder actually may have more before it that