JavaScript function EnableDisableChekboxes to set constraint of maximum allowed quantity checked checkboxes

There's a common constraint in votes or surveys like "choose no more than 3 items". And it's not a good idead to allow user control the checked items quantity. You can easily set constraint to a quantity of checked checkbox items with JavaScript and jQuery. You can just disable unchecked checkbox items if user checked maximum quantity and enables items again in case of unchecking.

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Console.log() function stops JavaScript executing in Internet Explorer 10

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Strange behavior of console.log() I have noticed when I created a JS code for SharePoint page. My code used jQuery and SPServices library. The code used to get items from a list and render options for "select" control.

Below I post a part of my function which fills a JS array and renders options for "select" control.

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Get data and stats about files in document libraries in SharePoint site from SQL Server

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Information about files in document libraries is strored in the table "AllDocs" of Site's content database. Of course, Microsoft doesn't allow to make queries to SharePoint databases directly. But I can't but agree with inserts and updates are not allowed, but select query in the worst case will make just some locks in database. So I guess that in some cases it's much better to execute select query than powershell script.

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