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Preview of Ruby: Hello World
rb
59 B
Actual file preview for Ruby: Hello World

Ruby: Hello World

The classic hello-world in Ruby (a single puts) for testing highlighters, the Ruby interpreter, and parsers.

File
RB · Ruby
Preview of Ruby: Stack (Enumerable, blocks, custom error)
rb
658 B
Actual file preview for Ruby: Stack (Enumerable, blocks, custom error)

Ruby: Stack (Enumerable, blocks, custom error)

A realistic Ruby snippet: a Stack class that mixes in Enumerable, yields blocks, raises a custom error class, and uses string interpolation and symbol-to-proc, for testing highlighters, RuboCop, and parsers.

File
RB · Ruby
Preview of Rust Panic with Numbered Backtrace (log)
log
974 B
Actual file preview for Rust Panic with Numbered Backtrace (log)

Rust Panic with Numbered Backtrace (log)

A Rust panic surrounded by ordinary tracing output: the panic location with line and column, a six-frame numbered backtrace where every frame spans two lines, and the RUST_BACKTRACE note. Frame numbering and the deep indent are what a generic stack parser gets wrong here.

File
LOG · Logs · 6 frames
Use case
ObservabilityLog parsing+1· Conversion set
Preview of Rust: Hello World
rs
84 B
Actual file preview for Rust: Hello World

Rust: Hello World

The classic hello-world in Rust: fn main and the println! macro, for testing highlighters, rustc, and parsers.

File
RS · Rust
Preview of Rust: Shapes (enum, trait, pattern matching)
rs
942 B
Actual file preview for Rust: Shapes (enum, trait, pattern matching)

Rust: Shapes (enum, trait, pattern matching)

A realistic Rust snippet with an enum carrying data, a trait and impl, exhaustive match, iterators, and Option handling, for testing highlighters, rustc, clippy, and parsers against real ownership-era code.

File
RS · Rust
Preview of SaaS Product Events (CSV)
csv
2.2 KB
Actual file preview for SaaS Product Events (CSV)

SaaS Product Events (CSV)

Synthetic product-analytics events (signup/login/upgrade) for testing event pipelines and warehouse loads. CSV twin.

File
CSV · Saas · 24 rows
Use case
Data importCSV parsing· Conversion set
Preview of SaaS Product Events (JSON)
json
4.8 KB
Actual file preview for SaaS Product Events (JSON)

SaaS Product Events (JSON)

Synthetic product-analytics events (signup/login/upgrade) for testing event pipelines and warehouse loads. JSON twin.

File
JSON · Saas · 24 records
Use case
Data importJSON parsing· Conversion set
Preview of Sales Quote Template (DOCX)
docx
36.5 KB
Actual file preview for Sales Quote Template (DOCX)

Sales Quote Template (DOCX)

A realistic sales quotation with a five-line item table, subtotal, tax, and validity terms, as an editable Word document, twinned with a print-ready PDF.

File
DOCX · Sales Quote
Use case
TemplatesConversion testing· Conversion set
Preview of Sales Quote Template (PDF)
pdf
2.5 KB
Actual file preview for Sales Quote Template (PDF)

Sales Quote Template (PDF)

The sales quotation as a branded, print-ready PDF with a line-item table and totals: the format twin of the DOCX quote, for converter testing and direct sending.

File
PDF · Sales Quote
Use case
TemplatesConversion testing· Conversion set
Preview of Salient Object: Binary Mask (512px)
png
1.8 KB
Actual file preview for Salient Object: Binary Mask (512px)

Salient Object: Binary Mask (512px)

The binary ground-truth segmentation mask for the salient robot (white = foreground). Compute IoU / F-score of a predicted mask against this file.

File
PNG · Ai Segmentation · 512 × 512 px
Use case
Image segmentationSubject detection· Conversion set
Preview of Salient Object: Input (512px)
png
92.9 KB
Actual file preview for Salient Object: Input (512px)

Salient Object: Input (512px)

A robot mascot on a cluttered background: the input for a salient-object-detection or image-matting model. Ground-truth binary mask and trimap ship alongside it.

File
PNG · Ai Segmentation · 512 × 512 px
Use case
Image segmentationSubject detection+1· Conversion set
Preview of Salient Object: Matting Trimap (512px)
png
2.5 KB
Actual file preview for Salient Object: Matting Trimap (512px)

Salient Object: Matting Trimap (512px)

A three-level matting trimap (black = background, grey = unknown edge band, white = foreground) for the salient robot: the standard auxiliary input for alpha-matting methods.

File
PNG · Ai Segmentation · 512 × 512 px
Use case
Image mattingImage segmentation· Conversion set
Preview of Salt & Pepper 10%: Base A (512px)
png
139.4 KB
Actual file preview for Salt & Pepper 10%: Base A (512px)

Salt & Pepper 10%: Base A (512px)

Base A with 10% salt-and-pepper noise (seed 42010). A direct fixture for testing median and morphological denoisers against the clean reference.

File
PNG · Denoise Set · 512 × 512 px
Use case
Denoise testingImage pipeline QA· Conversion set
Preview of Salt & Pepper 10%: Base B (512px)
png
121.2 KB
Actual file preview for Salt & Pepper 10%: Base B (512px)

Salt & Pepper 10%: Base B (512px)

Base B with 10% salt-and-pepper noise (seed 77010). A direct fixture for testing median and morphological denoisers against the clean reference.

File
PNG · Denoise Set · 512 × 512 px
Use case
Denoise testingImage pipeline QA· Conversion set
Preview of Salt & Pepper 2%: Base A (512px)
png
80.6 KB
Actual file preview for Salt & Pepper 2%: Base A (512px)

Salt & Pepper 2%: Base A (512px)

Base A with 2% salt-and-pepper noise (seed 42002). A direct fixture for testing median and morphological denoisers against the clean reference.

File
PNG · Denoise Set · 512 × 512 px
Use case
Denoise testingImage pipeline QA· Conversion set