Author Archives: dougaj4

Extracting numbers from text – update

Posted on 11/03/2017 by dougaj4

I have previously posted a spreadsheet with user defined functions (UDFs) using regular expressions to extract numbers from a text string (see Extracting numbers from text and regular expressions). I have now modified the Extractnums function to optionally return the numbers … Continue reading →

Posted in Excel, UDFs, VBA | Tagged , , , , , | 2 Comments

Joe Boyd on Unhalfbricking

Posted on 09/03/2017 by dougaj4

Joe Boyd talks about the transition of Fairport Convention from a band playing American pop to a band playing English folk music like it had never been played before: And a song from the album, A Sailor’s Life:

Posted in Bach | Tagged , , , | Leave a comment

Indexing pdf content, again

Posted on 04/03/2017 by dougaj4

I discovered today that my latest computer (with 64 bit Windows 10) had not been indexing the content of pdf files, which makes doing a search on local file content pretty much a waste of time.  Checking the file search settings … Continue reading →

Posted in Computing - general | Tagged , , , , | 2 Comments

Year 9 Report

Posted on 03/03/2017 by dougaj4

Last years’ statistics for this blog are now uploaded to Onedrive. The link to each post is preserved in the spreadsheet, so it makes a convenient index to what has been posted over the year, and what people are looking … Continue reading →

Posted in Bach, Excel, Newton | Tagged | Leave a comment

The meaning of = in Python

Posted on 26/02/2017 by dougaj4

In VBA, if you have an array named a and a variant named b, then the statement “b = a” creates a new array b with the same size and values as a.  If the values of either a or b are subsequently changed, the values of the … Continue reading →

Posted in Arrays, Excel, Link to Python, NumPy and SciPy, UDFs, VBA | Tagged , , , , , , , , , | 4 Comments