WebFX - What you never thought possible! Array Formulas - Excel Array Formulas. ShareThis | | Information Helpful? Why Not Donate. What are Array Formulas? See Also Alternative to Array Formulas Excel Array formulas are very powerful and useful formulas that allow more complex calculations than standard formulas. The "Help" in Excel defines them as below: "An array formula can perform multiple calculations and then return either a single result or multiple results. IMPORTANT - Before we Start When I first discovered array formulas may years ago, I thought I had found the answer to ALL my spreadsheet problems.
Perhaps the number one rule with arrays is, only use them when needed and know when to use them. I have even seen "so called" experienced users recommending them to other Excel users looking for help on a simple formula. It is fair to say that even my examples below are really an incorrect use of array formulas, but in the interest of keeping things simple I have used them. Array Formula Rules: Pet Shop Example: Special! Pivot Table: Excel Pivot Table. Pivot Table Tutorials and Downloads. ShareThis | | Information Helpful? Why Not Donate. TRY OUT: Smart-VBA | Code-VBA | Analyzer-XL | Downloader-XL | Trader-XL| More Free Downloads.. Best Value: Finance Templates Bundle Fundamentals of Excel Pivot Tables - Pivot Table Downloads - Pivot Table Tutorials - Pivot Table Links - Pivot Table Products See Also: Print Each Page Field | Refresh Pivot Table via Excel Macros || Hide/Show Pivot Table Field Items || Excel Subtotals || Making the SUBTOTAL Function Dynamic || Bold Excel Subtotals Automatically || Sum Every Nth Cell || Count of Each Item in a List || Grouping Pivot Tables Problems || Microsoft's Analysis Services - o2olap for Excel | Microsoft SQL/Analysis Services - o2olap for Excel Excel Pivot Table Fundamentals I won't try and hide the fact from you that I am a big fan of Pivot Tables.
Why are they called Pivot Tables ? What would we use them for ? How many people have the same names. In fact the list can go on and on! What is the advantage ? Headings. Pivot Table Products. How to paginate, sort and search a table with Ajax and Rails · dev.nozav.org. Introduction and warnings Important warning : unfortunately, I don't have the opportunity to work on Rails anymore these days. So some points in this tutorial may be a bit outdated for the most recent versions of the framework.
In this tutorial, we will try to use Ajax with Rails in order to display a table of items with several functionalities : pagination (split the table on several pages)sorting (table ordering by one of its column)searching (selecting items to be displayed with a query) A live demonstration of this application is available at : This is a very common task in web application development. The code which follows is highly inspired from several Rails wiki pages, in particular How to make a real-time search box with the Ajax helpers, and How to paginate with Ajax. Now, the warnings.
In any case, don't hesitate to send me your feedbacks at the following address : Application installation and configuration Requirements Files Database $ rake db:migrate.