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Welcome to Software Development on Codidact!

Will you help us build our independent community of developers helping developers? We're small and trying to grow. We welcome questions about all aspects of software development, from design to code to QA and more. Got questions? Got answers? Got code you'd like someone to review? Please join us.

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2.7k posts
 
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Q&A How to convert an RFC822 timestamp to a date index number?

A self-answered question - How to get DATEVALUE to recognize RSS 2 pubDate (RFC822)? - written by spcsLrg on Web Applications Stack Exchange offers this formula: =DATEVALUE(TRIM(REGEXREPLACE(A1,"^...

1 answer  ·  posted 4y ago by pnuts‭  ·  last activity 3y ago by Alexei‭

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Q&A How to convert an RFC822 timestamp to a date index number?

Yes, only the sixth to eleventh characters are required and these may be extracted with the MID function. MID is a string function that returns Text but a double unary operator should trigger Sheet...

posted 4y ago by pnuts‭  ·  last activity 3y ago by Alexei‭

Answer
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Q&A How to filter data from the view using MVVM Pattern?

I am trying to filter data in the DataGrid using the texboxes using the MVVM pattern. Just not sure how to do it. Would appreciate any guidance. My current code: Model public class Technical_Bes...

1 answer  ·  posted 4y ago by gzi98‭  ·  last activity 4y ago by FoggyFinder‭

Question c# mvvm wpf
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Meta Should we rename urlrewrite tag to url-rewriting?

How do I get IIS UrlRewrite to handle CSS-delivered woff files appropriately? is the only question currently using urlrewrite tag. However, for future questions I would like to have a more general ...

0 answers  ·  posted 4y ago by Alexei‭

Question discussion tags
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Q&A Jenkins failed to delete a file - why? How to prevent?

We are using Jenkins to run our system tests on a regular schedule. The Jenkins job downloads some python scripts from Perforce, runs them and compares the outputs with known-good results. The pro...

2 answers  ·  posted 4y ago by anatolyg‭  ·  last activity 2y ago by anatolyg‭

Question jenkins
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Q&A What is a good modern language to use for a Business Rules project?

SQL is the right tool for this job. You say the data is already in a database, probably a SQL database You don't have to deal with moving the data out of the database and "into a programming la...

posted 1y ago by matthewsnyder‭  ·  edited 1y ago by matthewsnyder‭

Answer
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Q&A how to use one list to find a similar list in another list python

You could just iterate through the list of lists and compare each list with the list that you're looking for. Once you've found a combination that matches you can add the combination to a dictiona...

posted 1y ago by Alias Cartellano‭

Answer
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Q&A Can pandas be used as a database backend for persistent storage?

Question What is the current state of the art database app? How does it compare to SQL? Can pandas be used in place of either? If not, is there something that bridges the gap between SQL and pand...

2 answers  ·  posted 1y ago by mcp‭  ·  last activity 1y ago by matthewsnyder‭

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Q&A ffmpeg: apply a filter from a start time to the end of the video

I'm using ffmpeg to apply a filter in between two time points. I am using the between() operator to specify the times. For example, to apply the yadif filter between 30 and 90 seconds I run: ffmpe...

1 answer  ·  posted 2y ago by Trevor‭  ·  last activity 2y ago by Trevor‭

Question ffmpeg
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Q&A What should I read if I knew C++ twenty years ago? [closed]

For someone who was familiar with C++ in the past and is coming back to it after a long break, what are some useful books that won't waste time with basics but will cover the new features of the mo...

0 answers  ·  posted 2y ago by Fred Wamsley‭  ·  edited 2y ago by Alexei‭

Question c++
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Q&A Proper location of docstring on struct with attributes

When documenting a struct with attributes, where does the docstring go? Before or after the attribute(s)? Option 1: /// Does it go here? #[derive(Deserialize, Debug)] pub struct Metadata { ...

1 answer  ·  posted 12mo ago by qohelet‭  ·  last activity 12mo ago by qohelet‭

Question rust docstrings
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Q&A What is the difference between hashing and encryption?

According to this article: Since encryption is two-way, the data can be decrypted so it is readable again. Hashing, on the other hand, is one-way, meaning the plaintext is scrambled into a uniqu...

3 answers  ·  posted 1y ago by Julius H.‭  ·  last activity 1y ago by matthewsnyder‭

Question hash
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Q&A Is it wrong to demand features in open-source projects?

"Demanding features" falls under an umbrella called "design". Design work doesn't show up directly in the commits (unless you maintain a design doc) but it is work nonetheless. Suggesting features ...

posted 1y ago by matthewsnyder‭  ·  edited 1y ago by matthewsnyder‭

Answer
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Q&A What does "namespace" mean?

A namespace is a category of names within which they must all be unique. This also means that names do not need to be unique between namespaces. For example, states of the USA is a different name...

posted 1y ago by Olin Lathrop‭  ·  edited 1y ago by Olin Lathrop‭

Answer
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Q&A Change font-family with JavaScript

I want to change the font-family of all elements in a document with JavaScript. I have tried this: document.querySelectorAll("body").forEach( (e)=>{ e.style.fontFamily = "arial"; }); ...

2 answers  ·  posted 3y ago by deleted user  ·  edited 3y ago by deleted user

Question javascript
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Q&A How to grant privileges to a user on a database specifically (i.e. not globally) in PHPMyAdmin?

Under User accounts > (user) Edit privileges, there is a tab I would define as "somewhat hidden", named "Database" which is different than the default "Global" tab; There, one could control whi...

posted 3y ago by deleted user  ·  edited 3y ago by deleted user

Answer
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Q&A Fixing vertical discrepancies with CSS

I have a "Our menu" webpage automatically created with Drupal 9 Views module which presents a miniature version of each menu dish webpage in that "Our menu" webpage (illustration image below). My ...

1 answer  ·  posted 3y ago by deleted user  ·  edited 3y ago by deleted user

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Q&A How can I modify the code above to accept string as user input and use strcmp to compare with the contents of the text file & then delete that line?

Assuming you're actually looking for a substring of a line in the file and not a word (which would require, as @elgonzo indicated, figuring out how to deal with spacing and word boundaries in gener...

posted 3y ago by r~~‭

Answer
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Q&A width="100%" for an iframe, breaks responsiveness CSS directives

In a MediaWiki website I embed a PHP file containing a contact form via <iframe> with the following attribute pattern: width="100%" frameBorder="0" My problem I need the iframe to stre...

1 answer  ·  posted 3y ago by deleted user  ·  edited 3y ago by deleted user

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Q&A How can the Caesar cipher be implemented in Java?

The Caesar cipher is a substitution cipher in which the letters of an ordered alphabet are cyclically shifted by a given number. A detailed description can be found e.g. here. Let u be the index o...

2 answers  ·  posted 3y ago by Holden‭  ·  last activity 3y ago by hkotsubo‭

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Q&A How to pass in a readable file (stream) to a Zig function?

Most of the example code in the Zig online docs is in the form of test blocks. Sadly, this means there aren't quite enough examples of how to write functions. Given that one has a readable file, p...

0 answers  ·  posted 2y ago by aghast‭

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Meta How can we grow this community?

This may be a minor thing to some but it's a huge annoyance / barrier to me - we need to change our scoring system to be human friendly. score +0.57142857: How to add user and a group in Docker Co...

posted 3y ago by NobleZarkon‭

Answer
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Q&A What actually is a pytest fixture?

Pytest uses fixtures. Their docs explain what fixtures do: https://docs.pytest.org/en/stable/explanation/fixtures.html But what actually is a fixture? Is there a definition for it? Is this a term ...

1 answer  ·  posted 6mo ago by matthewsnyder‭  ·  last activity 6mo ago by Karl Knechtel‭

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Q&A How to keep git blame ignored commits up to date?

[Disclaimer: This is an alternative workaround, and not really answering your question.] When blaming files in a git repository in which I am working at the moment, I usually blame from the master...

posted 3mo ago by alx‭  ·  edited 3mo ago by alx‭

Answer
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Q&A How to mock methods like `pathlib.Path.is_dir`?

I used to have some testing code for mocking a simple directory structure when working with pathlib. I recently tried to run these tests to learn that some of the internals in pathlib have changed ...

1 answer  ·  posted 5mo ago by mr Tsjolder‭  ·  last activity 4mo ago by mr Tsjolder‭