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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.

Posts by manassehkatz‭

14 posts
87%
+12 −0
Q&A Should a salt be stored in the same database as the hash?

When I first learned about salting, I thought the same thing. But as I understand it, because each salt is unique (or substantially unique within a given database table), storing the salt & has...

posted 3y ago by manassehkatz‭

Answer
84%
+9 −0
Meta How does the community feel about resource requests?

I think these kinds of questions are fine, but I am just one person. open source product I have been using appears to be poorly-documented is an extremely common problem. I have actually seen the p...

posted 3y ago by manassehkatz‭

Answer
83%
+8 −0
Meta Are AI prompt engineering questions on topic?

No. Software Development is about writing software. Yes, you can stretch almost anything that is an input to software to be "writing software". But arguably the closest analogue in actual Software ...

posted 9mo ago by manassehkatz‭  ·  edited 9mo ago by manassehkatz‭

Answer
77%
+5 −0
Code Reviews PHP script to create a KML square centred on a point.

1 - Rearrange the code: Open stdin, read all parameters, close stdin, then process the parameters. 2 - Consider adding some validation to the parameters. 3 - Add an explanation of the magic number ...

posted 3y ago by manassehkatz‭  ·  edited 3y ago by manassehkatz‭

Answer
77%
+5 −0
Q&A Is migrating emails from one hosting provider to another a trouble?

This is a very common problem. First some basics: There are two very different things in email: Email Server (a.k.a. hosting) This is the system that sends, receives and stores email message...

posted 3y ago by manassehkatz‭

Answer
77%
+5 −0
Q&A Why often times data compression causes data loss?

Data compression uses a wide variety of tactics to reduce the storage needed for data, including (just off the top of my head): Run length encoding - e.g., store aaaaa as ax5 Tokenizing commonl...

posted 3y ago by manassehkatz‭

Answer
77%
+5 −0
Q&A What is the difference between hashing and encryption?

What specific algorithm makes it possible to scramble data into an unrecoverable form, yet still be usable for its intended purpose? It isn't any one specific algorithm. There are many differe...

posted 1mo ago by manassehkatz‭

Answer
71%
+3 −0
Meta Initial List of Tags

As far as I can tell, there are no tags yet for the main Q&A. I suggest setting an initial group of tags which help organize questions. Two groups I think would be particularly helpful are lang...

1 answer  ·  posted 3y ago by manassehkatz‭  ·  last activity 3y ago by Alexei‭

71%
+3 −0
Q&A Would a MySQL database run more efficiently with smaller varchar lengths?

YES or NO: It all depends on the storage engine Fairly universally, though IIRC from looking at PostgreSQL a while back, PostgreSQL may not even do that, there is a difference between CHAR/VARCHAR/...

posted 3y ago by manassehkatz‭  ·  edited 3y ago by manassehkatz‭

Answer
71%
+3 −0
Meta Are reference requests welcome here?

This will be community dependent - e.g., Software Development, Outdoors, Cooking, etc. might each have a different rule. IMHO, there are two issues here: How helpful is such information, compared ...

posted 3y ago by manassehkatz‭

Answer
71%
+3 −0
Q&A What are the types of contact forms?

There is no "official" contact form. A form is a form is form. HTML (and by extension any language that generates HTML as output) has "forms". A form could be for "contact" or "order" or "chat" or ...

posted 2y ago by manassehkatz‭

Answer
66%
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Q&A Can renaming a MySQL column be sped up by dropping indexes or foreign keys?

I would simply turn off foreign key checks: SET FOREIGN_KEY_CHECKS=0; and make all the changes, and then turn foreign key checks back on: SET FOREIGN_KEY_CHECKS=1;

posted 3y ago by manassehkatz‭

Answer
55%
+3 −2
Q&A PHP emails are sent when $message is a string, but not when its an array

From the PHP mail manual mail ( string $to , string $subject , string $message , array|string $additional_headers = [] , string $additional_params = "" ) : bool PHP manual syntax (typical for...

posted 3y ago by manassehkatz‭  ·  edited 3y ago by manassehkatz‭

Answer
38%
+3 −6
Q&A Why most hosting providers support ticket systems allow text only (no formatting)?

TL;DR Simply not necessary Markdown, and other methods of formatting (Word or similar documents, HTML/CSS, Latex, etc.) are used where the document is the product. In this case, the support ticket...

posted 3y ago by manassehkatz‭

Answer