Microsoft Excel is a commercial spreadsheet application written and distributed by Microsoft for Microsoft Windows and Mac OS X.
5
votes
2answers
35 views
Checking for missing values in several columns of a spreadsheet
Basically I had 3 columns of Data
Adjudicated Cases
Not Adjudicated Cases
All Cases
and I wanted to get a list of all the cases that were missing from Column A and Column B, with a little help ...
4
votes
4answers
54 views
Extracting key information from a directory of XML files
I have written some VBA to loop through a directory of 15,000 XML files and extract key information from these files into Excel - this is unbearably slow. Can someone please assist me in optimising ...
1
vote
0answers
38 views
Multi Threaded Report Generation
I have a requirement where i have to generate some report basically read from db and write data to Excel.
I want your help in reviewing following things in my code.
Data Base Connection
Multi ...
3
votes
1answer
68 views
Excel calculation engine
We have currently rewritten an Excel calculation engine in F# and are looking to refactor the code to make it a lot more idiomatic and standardised.
One of the big problems with the code is that we ...
6
votes
2answers
72 views
Updating Pivot Tables in Excel [closed]
I'm writing some code for someone to update a pivot table field based on the contents entered in a particular cell.
I am unfamiliar with VBA and programming for excel but I followed some tutorials ...
4
votes
2answers
75 views
Traversing and printing complex Dictionary types (Scripting.Dictionary) - Dictionary inside of a Dictionary
Based on this SO post - also reposted on vba4all.com with a few more details and explanations.
Please notice there currently is no error handling whatsoever as I didn't analyse and consider any traps ...
3
votes
1answer
79 views
Searching a Word Document from Excel - v2.0
My first question:
Searching a Word Document from Excel
Since then I have implemented most of the suggestions by @RubberDuck and @Comintern. I have also added functionality for different-sized ...
8
votes
2answers
93 views
Searching a Word Document from Excel
Today I created a script in Excel that migrates data from a specific Word document and copies a portion of it to a cell in Excel (the date to be specific).
The file input is
Last name, First ...
4
votes
2answers
72 views
Finding matching strings in a column
I have col D (in sheet1 called Students), col A (in Sheet2 called Students too) and col B ...
4
votes
3answers
60 views
Inefficient (slow) loop with calculations in worksheet
I am looking for best practice help. Slow loops seem to be a recurring problem for me and I'd like to learn a better way. The code itself works as it should, except it is far too slow.
The problem ...
1
vote
1answer
54 views
Processing Excel files of a predefined template to generate output CSV files of another predefined template
I'm a freelancer and I recently wrote a python script that processes input xlsx files that contain data in a particular format and output a csv file in another format as required.
The code works well ...
9
votes
3answers
159 views
Speeding up execution time of worksheet-formatting code
I've been writing some code that places some data in an empty worksheet and then formats the sheet by adding borders to all of the used cells. The code functions how it should perfect, but it takes a ...
3
votes
1answer
59 views
Optimize spreadsheet-filling routine
I'm stuck with the slow VBA routine below, which I think is the cause of lagging (taking to long). I was wondering if there is a faster way to do this:
...
3
votes
3answers
111 views
A practical example of evenly distributing n lists into a single list
I had previously asked about how to evenly distribute the items in n lists into a single list and was referred to this question.
I made a practical example of my solution for this in VBA for Excel, ...
5
votes
3answers
327 views
Assigning value to cells with Excel VBA
I have an Excel Worksheet consisting of two columns, one of which is filled with strings and the other of which is empty. I would like to use VBA to assign the value of the cells in the empty column ...
8
votes
2answers
282 views
Optimize total code in one sub
I have the following code which works fine, but there has to be a faster way to do this. I want to have it all in one sub.
...
4
votes
1answer
62 views
Increasingly Long Runtime for Macro
My code works, but the problem is that it is taking an increasingly long time to run, with the time required to complete calculations increasing every time I use the macro. I've tried a variety of ...
5
votes
3answers
111 views
Read table row with multiple options
I developing an algorithm to read a row from a table (specifically, I'm reading from an Excel file).
I have three conditions about when to terminate the Read operation:
When an empty cell is found ...
6
votes
1answer
67 views
Possible memory leak in a for loop macro
I was reading about similar problems to the one I am having, and my guess is that I am having a 'memory leak'. I'm not sure exactly what that means, or how to correct it. Could you take a look at my ...
8
votes
2answers
63 views
How can I make this userform timer faster?
I have a userform that displays a goal time for workers to shoot for when completing a task. It also has a stopwatch on it that is controlled by a start, stop, and reset button on the userform. If the ...
2
votes
1answer
82 views
Improving performance in generating an Excel file
I am using this code to write more than 170,000 rows to an Excel document. All in all, the file generation process takes about 3 minutes total. (I've already shaved off about ten minutes by shaving ...
5
votes
2answers
214 views
VBA Function slower than Excel Formula
I've replaced the following horrendous Excel formula (values and names have been replaced):
...
4
votes
1answer
94 views
Ignore exceptions when changing column formula in Excel table
The new table feature on Excel is excellent and you can specify a column formula as well as exceptions on the column. However, if you want to change the column formula, Excel will rewrite the whole ...
7
votes
3answers
190 views
Script for finding cheating students in a quiz
Below is a script to find cheating students in a quiz in a daily moodle activity log exported in .xls. It works fine and is written in a procedural way.
Essentially the script isolates the activity ...
5
votes
3answers
100 views
Improving performance of VBA batch scripts?
I am using a script to open a bunch of Excel files, copying two or more sheets into a new file and saving this new file. It sure beats doing it manually, but I think it could be faster.
Here's my ...
7
votes
3answers
141 views
Retrieving data from files in the folder
I am to use VBA code to simply retrieve certain data from all Excel files in certain folder and paste it in working spreadsheet. I am not sure that this is the most efficient (which matters as I would ...
11
votes
3answers
3k views
Validate and import data from an Excel file
I have recently designed a module which will do bulk upload for different contents. Basically the user will upload an Excel file, I will have to read and validate headers of excel then each value of ...
10
votes
2answers
194 views
Calculation of an inflation on volume/year
Background
I would like to find out if my current solution to the problem described below is "good enough" or if there is an alternative way of achieving it. All I care about is the length (no. of ...
5
votes
2answers
4k views
Extract Excel data using Interop.Excel from C# is very slow
Code Objective
I need to create a System.Data.DataSet object from an Excel workbook. Each DataTable within the ...
4
votes
2answers
136 views
Excel sheet code is taking too much time
I have an Excel sheet with lot of rows with data. I am separating it into 2 sheets with some condition satisfies.
This is taking too much time. How can I improve the speed? Please suggest any ...
10
votes
4answers
621 views
Looping through an Excel document in C#
Before looping through an Excel document using a library I found, and wanted to know how long it would take to loop through the whole thing.
There are 40k rows.
I looped through only the first 5k ...
6
votes
1answer
7k views
Reading data from Excel sheet with ExcelDataReader
Objective:
I want to import an Excel file, and read the rows of certain columns. For this, I use ExcelDataReader. I've implemented a low-level class called ...
4
votes
1answer
271 views
Ruby script to load xlsx files into mysql db
I put together this Ruby script (1.9.3) to load data into MySQL from many xlsx files that contain data entered by people. These files typically have many illegal characters and it has been difficult ...
5
votes
2answers
96 views
More efficient update macro in Excel
I have a macro that makes comparisons and then this macro exports all of the changes based on if the information doesn't match. I have it so that each column gets their own worksheet in the new ...
10
votes
2answers
2k views
Creating Excel document is very slow
Attached is a generic code I wrote to create an Excel file with x number of worksheets.
The problem I am having is that it's pretty slow, like 5 seconds a sheet. It was my understanding that using a ...
8
votes
1answer
109 views
Excel Mapping Module
I wrote this bit of python intending it to become some module to replace excel mapping programs like MapForce. Right now it only does columns to columns. So the number of rows in always equals the ...
10
votes
1answer
301 views
Importing data from an external EXCEL-Sheet
I was assigned the task of copying some subsums from a given EXCEL-Sheet into the executing EXCEL-Sheet.
This had to be done with an EXCEL-Macro, so non-programmers can easily use it. There was the ...
4
votes
2answers
189 views
Writing a JTable to a tab delimited file
I have wrote this class that will write JTable to a tab delimited file so that it can be opened in Excel. It works great but is there any way to make it better or is there a way to have it directly ...
0
votes
1answer
205 views
Better implementation of Excel's SUMIFS using pandas, the Python Data Analysis Library
I've implemented Excel's SUMIFS function in pandas using the following code. Is there a better—more Pythonic—implementation?
...
11
votes
2answers
258 views
Suspiciously redundant Excel macro code
I need a little help in finding a better solution. In the screen shot below any change to the forecast line I need to find the value in column B. The screen shot is only a sample in my production ...
2
votes
2answers
153 views
Updating tables with bulk of data through CSV
My work is pretty simple. I have to migrate a bulk of data into the specified tables, so that the data does show up at the front-end. The data is provided through the ...
1
vote
1answer
47 views
Excel to SQL Upload
Aim: Import Excel to SQL
Potential Issue:
Wrong file type - this is handled in the 'upload' button by not allowing anything but *.xlsx files
The wrong type of Excel file i.e. not 2003 onwards, ...
5
votes
0answers
58 views
ABAP Excel data analyzer
I wrote this code years ago to analyze Excel data coming in from the clipboard.
Please review for performance concerns and maintainability concerns.
One minor note, from an OO perspective, a class ...
5
votes
1answer
622 views
XLSX writer implementation
We have multiple scripts which write into XLSX with the same format, into a different format or slide variation. I am trying to write an API which saves time for other programs, but I need input on ...
2
votes
3answers
2k views
Winform that exports a datagrid to Excel
I've just created a winform that exports a datagrid to Excel. Originally the file was never shown, but I was asked to give the option. So I put in a checkbox and modified the code.
Is my if/else ...
12
votes
2answers
286 views
Avoiding repeated code in worksheet
Can someone help me make this code more professional? I'm trying my best to find something similar, but I wasn't successful.
I want to avoid the repeat of the code for every single value and also I ...
4
votes
1answer
72 views
How toTighten up and improve a bastardized Excel VBA code
I have the following code. It's purpose is to add up and sort another columns Data. I tweaked it to fulfil my purpose, but I'm sure it can be cleaned up.
The only problem I have with its function is ...
6
votes
1answer
259 views
Excel: String Tokenizer
I am trying to implement strings tokenizer in Excel via UDF using C# and Excel-Dna. Personally I found the mIRC's function $gettok pretty useful due to the lack of string functions in Excel.
Examples
...
4
votes
3answers
160 views
Getting a value from an Excel sheet column
The code below gets value from a column in an Excel sheet. The values I get are B1, B2, B3, B4...., B100, ...Bn. All I need to do is strip out the char 'B' and convert the numeric string to integer ...
2
votes
1answer
239 views
reading Excel (93-97) sheet with more than 65536 rows using cfspreadsheet
I have a process that reads multiple sheets from an Excel file, then inserts the data into a database table. However, I am experiencing some memory issues when one of the sheets contains more than ...
