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0answers
29 views

Simple Path to Route Algorithm

I'm currently conducting research into subway paths, but stand in front of a problem, with no programming knowledge and an extremely short time-limit. Probably the question I am asking is trivial, ...
1
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1answer
81 views

Managing sets of configuration data for an Excel/VBA program

I have two versions of an "Excel-Tool", i.e. a spreadsheet with a lot of vba code. Lets say, this tool is used to monitor two facilities. Both facilities differ in minor aspects. That means, I have ...
1
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1answer
145 views

Excel worksheet population and fomatting is slow

I have written a VSTO plugin in C# which populates several worksheets. During the population process cell values or formula are added one at a time according to user-definable criteria taken from a ...
1
vote
1answer
93 views

Range or Row and Column Indices in VBA

I would like to know what the pros and cons are for storing a range variable instead of four integers or long variables (representing the first and last row and column) to define that range. One ...
17
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7answers
4k views

Team member questioning moving from VBA to C#

Background Last year, I was asked to create a tool to be used for business planning for around 10 users. This was done on behalf of another IT team who "sub-contracted" the work to me, and due to the ...
1
vote
1answer
205 views

Should I use Strategy Pattern for this task?

I'm setting up a data validator that will iterate through the rows of a spreadsheet, and for each column, perform a validation check. I was thinking that this might be an appropriate task for the ...
1
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0answers
876 views

Excel: Vba Copy and paste efficiency with 000's of rows and columns

Hey guys so I'm sure this is probably out there but I can't seem to find it. Updates I have tested some different code, and reduced my time to complete the task from 50/60 seconds to 10 seconds. ...
-1
votes
1answer
126 views

Asp.net Web Form for Local Use [closed]

I am trying to build an Asp.Net Web Form project to use at my job. We work with a lot of excel files and a large task for me and others at my company is combining/comparing/updating data in these ...
0
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1answer
72 views

Reflection performance in this iteration of a (probably) large excel file

I'm wondering the performance of reflection in this situation. I'm iterating a (probably) large excel file (let's say 3000 max) which it's going to be done from time to time, and the implementation ...
9
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3answers
1k views

What is a good design pattern for generating an Excel (xlsx) file in code?

See my Update at the bottom for more. I occasionally have projects where I have to output some data as an Excel file (xlsx format). The process is usually: User clicks some buttons in my ...
2
votes
3answers
249 views

Can Excel be a strong development platform? [closed]

We are a group of enthusiast engineers who are developing a series of application using Excel as our front end. We are using VBA but plan to start doing in VB.net. Some people in IT have questioned ...
-1
votes
1answer
90 views

Choosing a file format to storage a simple text data [closed]

My .NET application makes its work and then creating a report (an Excel worksheet). The report holds thousands of short text strings [KEY - VALUE], so excel worksheets suites very well, one column ...
0
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1answer
224 views

Full Text Indexing Strategy for MS Excel Documents

Background As part of a broader application that allows users to search thousands of MS Office documents on a private network, I need to index and make searchable Microsoft Excel files. My basic ...
1
vote
4answers
281 views

Designs for outputting to a spreadsheet

I'm working on a project where we are tasked to gather and output various data to a spreadsheet. We are having tons of problems with the file that holds the code to write the spreadsheet. The cell ...
0
votes
1answer
71 views

Automatically analyze excel files

I have to replicate a manual generation of a large number of excel files. I started to manually track the relations between cells ( files, formulas, etc). I also had a talk with the person which ...
0
votes
4answers
7k views

How to insert/update a large amount of data into mysql using php

I have an excel sheet which has a large amount of data. I am using php to insert the data into mysql server. I have two problems 1) I have to update a row if the id already exists, else insert the ...
2
votes
1answer
191 views

How can I automatically test a large, complex spreadsheet?

So, I've inherited one of those "Engineer's Special" spreadsheets -- the kind developed by Mort the Engineer, with lots of hairy VBA and WTF, complicated calculations, and no documentation. ...
0
votes
1answer
1k views

Guidance on Excel VBA resource scheduling algorithm?

This was posted originally at StackOverflow though suggested to post here instead. I am looking to create an Excel VBA solution that will create a rota/schedule allocating staff to service users ...
3
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0answers
391 views

Implement FBP / Dataflow programming in VBA?

Intrigued by Flow Based Programming a la J Paul Morrison. I wonder if one can implement FBP in Excel/VBA. I searched quite a bit for a Basic-Lang FBP implementation to no avail. I've looked at some ...
12
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5answers
823 views

What methods are available to show colleagues the advantages of a database+application solution over Excel?

I work in a company where there are Excel spreadsheets everywhere. As my colleagues are non-programmers, I'm sure they haven't contemplated that there might be a better/easier/more productive way of ...
15
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3answers
2k views

Workflow: Using binary document formats in Git without locks (moving from subversion)

We're a software consultancy with a multitude of projects for different customers. We traditionally use Subversion, but are currently considering moving to Git. A significant portion of the documents ...
1
vote
4answers
652 views

What are some non-MS languages that can write xlsx (Excel 2007+) documents efficiently? [closed]

Unfortunately, Excel format is required for the project I am working on. I have no problems getting the data I need in objects and arrays, and currently PHPExcel is doing handling the document ...
8
votes
2answers
702 views

What is the justification for Python's power operator associating to the right?

I am writing code to parse mathematical expression strings, and noticed that the order in which chained power operators are evaluated in Python differs from the order in Excel. From ...
2
votes
1answer
1k views

Best Practice - XML To Excel

I've to read a big XML file with a lot of information. Afterwards I extract the needed information (~20 Points(columns) / ~80 relevant Data (rows, some of them with subdatasets) and write them out in ...
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votes
3answers
6k views

How do I Export to excel on aspx page?

I am trying to take data that I request from an access database and put it into and excel file on the client computer. I usually use ajax to request a summary of the data I need. It is formatted ...
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votes
6answers
19k views

How to create a cool user interface for an excel file in java or C#? [closed]

I have an excel file with many sheets and relations between theme (ie, formulas that relates sheets to each other). I wanna create the user interface for this excel file.in other words I wanna create ...
0
votes
3answers
287 views

Which programming designs leads to more problems?

As a fresh programmer, one of the first thing for me to learn was to learn language and its syntax. Now my next training issue is to design my code heirarchy in such a way it is simple to maintain ...
0
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3answers
3k views

Parsing excel data in java, before saving it to database

I'm working on some project where I have to make a database for data which is currently kept in excel files, so I have to do some changes before writing the data into the database. I'm going to read ...
2
votes
2answers
155 views

Developing an Interface to a Dynamic System

I work for a small company and have been designing a GUI to interface our embedded system. The problem with this embedded system is that it is not a finished product (may never be) and is constantly ...
2
votes
4answers
2k views

Security Concerns with password storage in Scripting Languages (VBA)

The team I work with handles large amounts of consumer survey, and internal company metric data. Primarily the data is stored in a database, and we utilize various platforms and to work with that ...
9
votes
6answers
562 views

Software solution from the 2000's, should I attempt to patch or remake the whole thing?

I was sent out to discuss a system that a certain company is currently using and what should be done with it. The company manufactures various carton displays. This system was developed to keep track ...
5
votes
1answer
554 views

Need advice for approach for a web-based app that loads excel worksheet but exposes only the charts

I'm looking for suggestions on the Visual Studio approach to take for a web application that is in the conceptual stage. My environment has a lot of tools: Windows Server 2008 R2 Standard 64bit ...
1
vote
4answers
3k views

How do I refer to the smallest possible non-zero value?

Back in my C programming days I thought there was a constant or function (I can't remember what it was called, let's call it SMALL) whose value was the smallest possible positive value. (Imagine the ...
1
vote
1answer
298 views

How can I migrate from Excel VBA with ADO to C++ with OCCI? [closed]

I am employed as a developer, but the only application development tools I have available to me are Access and Excel (i.e., VBA). Fortunately, I have good access to our Oracle DB, but that took some ...
-1
votes
2answers
396 views

How to explain that full automation of a spreadsheets data sources isn't a good idea?

Have an Excel spreadsheet that summarizes various key metrics for the business. The source data for these metrics comes from various sources including other spreadsheets, and web/ERP systems. A ...
3
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16answers
9k views

What is spreadsheet useful for? [closed]

I have been in computer business for 15 years in various roles (sysadmin, developer, researcher), and I have never encountered someone using excel for something more advanced than for formatting ...