tgpl/

Dup1 prints the text of each line that appears more than once in the standard input, preceded by its count.

Dup2 prints the count and text of lines that appears more than once in the input.

Echo1 prints its command-line arguments.

Echo2 prints its command-line arguments.

Echo3 prints its command-line arguments.

Fetch prints the content found at a URL.

Fetchall fetches URLs in parallel and reports their times and sizes.

Helloworld prints hello 世界 text

Lissajous genarates GIF animation of random Lissajous figures.

Serve1 is a minimal "echo" server.

Server2 is a minimal "echo" server and counter server.

Server3 report on the headers and form fata that it recieves.

The jpeg command reads a PNG image from the standard input and writes it as a JPEG image to the standard output.

Echo prints its command-line arguments.

Package word provides utilities for word games.

Package word provides utilities for word games.

Boiling prints boiling point of water.

Cf converts its numeric argument to Celsius and Farenheit.

Echo4 prints its command-line arguments.

Ftoc prints two Fahrenheit-to-Celsius convensions.

Popcount population count.

Package tempconv performs Celsuis and Farenheit temperature computations.

Package tempconv performs Celsius and Farenheit temperature computations.

Basename removes directory components and a .suffix.

Basename simpler version uses the strings.LastIndex library function.

Comma inserts commas in a non-negative decimal integer string.

Mandelbrot emits a PNG image of the Madelbrot fractal.

Netflag

intsToString is like fmt.Sprintf(values) but adds commas.

Surface computes an SVG rendering of a 3-D surface function.

Append

Charcount computes counts of Unicode characters.

Package github provides a Go API for the GitHub issue tracker.

Nonempty is an example of an in-place slice algorithm.

Sha256

Findlinks1 prints the links in an HTML document read from standard input.

Package links provides a link-extraction function.

Package cake provides a simulation of a concurrent cake shop with numerous parameters.

The du1 command computes the disk usage of the files in a directory.

The du1 command computes the disk usage of the files in a directory.

The du1 command computes the disk usage of the files in a directory.

Netcat1 is a read-only TCP client.

The thumbnail package produces thumbnail-size images from larger images.

Package bank provided a concurrency-safe bank with one account.

Package bank provided a concurrency-safe bank with one account.

Package bank provided a concurrency-safe bank with one account.

Package memo provides a concurrency-unsafe memoization of a function of type Func.

Package memo provides a concurrency-unsafe memoization of a function of type Func.

Package memo provides a concurrency-unsafe memoization of a function of type Func.

Package memo provides a concurrency-unsafe memoization of a function of type Func.

Package memo provides a concurrency-unsafe memoization of a function of type Func.

Package memotest provides common functions for testing various designs of the memo package.

Pset1.1 prints the name of the command invoked.

Pset1.10 edit fetchall program, writes content to file.

Pset1.12 modify lissajous server by reading arguement from URL.

Pset1.2 prints index and value of its command-line arguments.

Pset1.3 measure the time difference between low efficency program and using strings.Join program.

Pset1.4 modify dup2 program, prints file name appears duplicate lines more than once.

Pset1.5 change lissajous program's palette to green on blank, for added authenticity.

Pset1.6 add more colors to lissajous program's palette and change the third argument of SetColorIndex to genarate colorful figures.

Pset1.7 replace io.ReadAll with io.Copy(dst, src).

Pset1.8 edit fetch program to add a http:// prefix if input URL not has prefix.

Pset1.7 prints HTTP code in fetch.

Pset2.1 processing temperatures in the Kelvin scale.

Pset2.2 converts numeric command-line arguments in feet&meters and pounds&kilograms.

Pset2.3 Rewirte PopCount to use a loop instead of a single expression.

Pset2.4 PopCount counts bits by shfiting its argument through 64 bit positions.

Pset2.5 PopCount by useing x&(x-1).

Pset3.1 handle if f() returns infinite float.

Pset3.10 a iteration version.

Pset3.11 enhance comma to deals correctly with floating-point numbers and an optional sign.

Pset3.11 reports whether two strings are anagrams of each other.

Pset3.13 writes const declarations for KB, MB, up through YB as compactly as you can.

Pset3.2 using other functions in math package.

Pset3.3 change top and bottom color of svg.

Pset3.5 computes an SVG rendering of a 3-D surface function, and writes to client.

Pset3.5 emits a corlorful PNG image of the Madelbrot fractal.

Pset3.6 supersampling.

Pset4.1 popCount of sum256.

Pset4.2 prints the SHA256/SHA384/SHA512 hash of stdin.

Pset4.3 rewrite reverse to use an array pointer instead of a slice.

Pset4.4 write a version of rotate that operates in a single pass.

Pset4.5 writes an in-place function to eliminate adjacent duplicates in a []string slice.