Error: Not enough storage is available to complete this operation

This is the first time I noticed this error message since I started working on client side programming in SharePoint. I have REST API code to pull data from multiple Lists and I'm calling this script in a page through Content Editor Web Part.

The error message is not shown on the page. However, the web part is empty without any data. So I turned on the Developer Tools Console to check for any clue. This is where it promptly displayed:

Error: Not enough storage is available to complete this operation

First thing it stuck me was to check my machine's RAM usage. When I checked in Task Manager, RAM usage was more than 80%. I had opened lots of IE tabs. I closed a couple of browser tabs and RAM usage came down to 50%. I refreshed my SharePoint page and alas, it is showing data as expected!

A few questions that came up in my mind: Can we catch this exception so that we can show the user-friendly message instead of the blank web part? How do we optimize the overall solution in the application development keeping in mind that we might have written tons of code across pages? If I get some time to dig more into it and find anything useful, will share in my blog.

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Restrict Future or Past Date in List

Many a times you will come across a requirement wherein you need to restrict user from entering future or past date in a List or Document Library Date column. Developers are inclined towards writing either event handler or javascript to achieve this. But, hold on! You can achieve this without writing a single line of code. I have a list which stores Employee details like Employee Number, Name and Date of Joining. Here I need to enure that Date of Joining will not accept future date. Navigate to List Settings -> Validation Settings. Here you can enter the formula to restrict future date as shown below. If you change the logical operator, it will restrict past date. Also, you can put message which will be displayed to user. Now, when you try to enter future date and try Save, you will see the validation message. So, next time you have similar requirement, you know where to try first before jumping into coding!

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