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Safe table access
This snippet provides a safe way to access table values in Lua without errors when a key is missing, optionally returning a default.
kristenpalmer218
Read file to string
This Rust snippet reads a file's contents into a String with just one line of code using the `std::fs::readtostring` function.
astewart981
Read file to string
Read a file's contents into a String with Rust's standard library, handling errors succinctly.
jamesgarcia426
Find duplicate files
Find duplicate files in a directory by comparing their checksums with this handy bash snippet.
pbuchanan885
Array reduce method
The Ruby `reduce` method combines all elements of an array by applying a binary operation, accumulating a single return value.
mcdonaldjamie520
Array shuffle function
This snippet randomly shuffles the elements of an array using the Fisher-Yates algorithm.
plopez204
SELECT with JOIN
This snippet merges data from multiple tables into a single result set based on a related column between them.
jamesgarcia426
Functional option unwrap
Safely and idiomatically extract values from an Option using functional combinators like map, unwrapor, and andthen to avoid panics and keep your code expressive.
gwhite476
safe table indexing
Safely retrieves a value from a nested Lua table, returning nil if any intermediate key is missing.
astewart981
swap two variables
Swap two variables in Ruby with parallel assignment, no temp variable needed.
diana49945
RAII lock guard
This snippet automatically acquires a mutex lock on construction and releases it on destruction, making thread synchronization both exception-safe and concise.
marthathornton651
Reverse a list
This snippet reverses the order of elements in a list, returning a new list.
jorgeharrell188
Merge dictionaries
This snippet merges two or more dictionaries into one, combining their key-value pairs with later keys overriding earlier ones.
rodgersjennifer232
Generate UUID v4
This snippet generates a version 4 UUID in PHP using built-in functions.
mcdonaldjamie520
RAII scope guard
A scope guard in C++ uses RAII to automatically execute a cleanup action when leaving a scope, ensuring resource safety without manual management.
bowenjonathan73
Flexbox Centering
This Flexbox snippet centers a child element both horizontally and vertically inside its parent container.
bowenjonathan73
Predicate not method
This snippet creates a negated predicate using `Predicate.not()` to easily invert a filtering condition.
amysmith435
Find empty directories
This bash snippet recursively finds and lists all empty directories in the current directory.
allison76938
Update with Join
This snippet updates rows in a table based on matching values from another table using a JOIN.
kellysnyder359
Flexbox center child
This snippet centers a child element both horizontally and vertically within its parent using Flexbox.
elizabeth67970
Array eachwithindex
Iterate over an array while accessing both the element and its index in each iteration.
pattycarter249
Validate email address
This PHP snippet quickly validates an email address using PHP's built-in filtervar function with the FILTERVALIDATEEMAIL flag.
michaelstone116
