Top "File-format" questions

A file format is a particular way that information is encoded for storage in a computer file.

Which format for small website images? GIF or PNG?

When doing small icons, header graphics and the like for websites, is it better to use GIFs or PNGs? Obviously …

graphics png file-format gif
Embroidery file formats?

My wife has a Bernina embroidery machine and I'd like to experiment with creating designs programmatically. I'd like to either …

file-format
SSL certificate file type

Bit of a silly question, but: What kind of file(s) do you get when you buy an SSL certificate …

ssl-certificate file-format pfx
PLY file specifications with texture coordinates

I need to read PLY files (Stanford Triangle Format) with embedded texture for some purpose. I saw several specification of …

graphics file-format 3d-model meshlab
How does one find the start of the "Central Directory" in zip files?

Wikipedia has an excellent description of the ZIP file format, but the "central directory" structure is confusing to me. Specifically …

zip file-format
Which floating-point image format should I use?

In the past I've saved RGB images (generated from physical simulations) as 8-bits/channel PPM or PNG or JPEG. Now …

c++ graphics rendering file-format hdrimages
C#/.NET - Custom Binary File Formats - Where to Start?

I need to be able to store some data in a custom binary file format. I've never designed my own …

.net file binary file-format binary-data
Difference between "ASCII" and "Binary" formats in PETSc

I wanted to know what the difference is between binary format and ASCII format. The thing is I need to …

ascii binaryfiles file-format petsc
What's Is the Best File Format for Configuration Files

I am creating a framework in PHP and need to have a few configuration files. Some of these files will …

php configuration file-format
How to read Lotus Notes mail archives (*.nsf)

Does anyone know how to read these files without using the interops or COM interaction? Just the direct way. Is …

c# java c++ lotus-notes file-format