Go Cheat Sheet



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The GoPro camera changes the way people make movies. It’s not only affordable and durable, but also offers features that seemed like far-fetched wish-list items only a few years ago. You can mount this camera on almost anything, take it underwater, and capture the most expansive video scene known to mankind. Okay, that’s a slight. This cheat sheet provided basic syntax and methods to help you using Golang. Go is a statically typed, compiled programming language designed at Google by Robert Griesemer, Rob Pike, and Ken Thompson. Go is syntactically similar to C, but with memory safety, garbage collection, structural typing, and CSP-style concurrency.

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Common Data Structure Operations

Data StructureTime ComplexitySpace Complexity
AverageWorstWorst
AccessSearchInsertionDeletionAccessSearchInsertionDeletion
ArrayΘ(1)Θ(n)Θ(n)Θ(n)O(1)O(n)O(n)O(n)O(n)
StackΘ(n)Θ(n)Θ(1)Θ(1)O(n)O(n)O(1)O(1)O(n)
QueueΘ(n)Θ(n)Θ(1)Θ(1)O(n)O(n)O(1)O(1)O(n)
Singly-Linked ListΘ(n)Θ(n)Θ(1)Θ(1)O(n)O(n)O(1)O(1)O(n)
Doubly-Linked ListΘ(n)Θ(n)Θ(1)Θ(1)O(n)O(n)O(1)O(1)O(n)
Skip ListΘ(log(n))Θ(log(n))Θ(log(n))Θ(log(n))O(n)O(n)O(n)O(n)O(n log(n))
Hash TableN/AΘ(1)Θ(1)Θ(1)N/AO(n)O(n)O(n)O(n)
Binary Search TreeΘ(log(n))Θ(log(n))Θ(log(n))Θ(log(n))O(n)O(n)O(n)O(n)O(n)
Cartesian TreeN/AΘ(log(n))Θ(log(n))Θ(log(n))N/AO(n)O(n)O(n)O(n)
B-TreeΘ(log(n))Θ(log(n))Θ(log(n))Θ(log(n))O(log(n))O(log(n))O(log(n))O(log(n))O(n)
Red-Black TreeΘ(log(n))Θ(log(n))Θ(log(n))Θ(log(n))O(log(n))O(log(n))O(log(n))O(log(n))O(n)
Splay TreeN/AΘ(log(n))Θ(log(n))Θ(log(n))N/AO(log(n))O(log(n))O(log(n))O(n)
AVL TreeΘ(log(n))Θ(log(n))Θ(log(n))Θ(log(n))O(log(n))O(log(n))O(log(n))O(log(n))O(n)
KD TreeΘ(log(n))Θ(log(n))Θ(log(n))Θ(log(n))O(n)O(n)O(n)O(n)O(n)

This cheat sheet includes the details you need to know about the Surface Go 2. We will update this article when new information is available about this Microsoft 2-in-1 laptop. Go 96.3 Cheat Sheet. November 13, 2020 November 13, 2020 Reed 3. New Hobby November! November 1, 2020 November 3, 2020 Reed 0. September 1, 2020.

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Array Sorting Algorithms

AlgorithmTime ComplexitySpace Complexity
BestAverageWorstWorst
QuicksortΩ(n log(n))Θ(n log(n))O(n^2)O(log(n))
MergesortΩ(n log(n))Θ(n log(n))O(n log(n))O(n)
TimsortΩ(n)Θ(n log(n))O(n log(n))O(n)
HeapsortΩ(n log(n))Θ(n log(n))O(n log(n))O(1)
Bubble SortΩ(n)Θ(n^2)O(n^2)O(1)
Insertion SortΩ(n)Θ(n^2)O(n^2)O(1)
Selection SortΩ(n^2)Θ(n^2)O(n^2)O(1)
Tree SortΩ(n log(n))Θ(n log(n))O(n^2)O(n)
Shell SortΩ(n log(n))Θ(n(log(n))^2)O(n(log(n))^2)O(1)
Bucket SortΩ(n+k)Θ(n+k)O(n^2)O(n)
Radix SortΩ(nk)Θ(nk)O(nk)O(n+k)
Counting SortΩ(n+k)Θ(n+k)O(n+k)O(k)
CubesortΩ(n)Θ(n log(n))O(n log(n))O(n)

A format specifier is a string that contains the text you want to format plus some placeholders, called verbs, that tell the functions in the fmt package how to format your arguments.

In this example:

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  • the format specifier is 'Hex: %x.n',
  • the verb%x formats 255 in base 16 notation, and
  • the special valuen is a line feed.

Use the special verb %%, which consumes no argument, to write a literal percent sign:

Generic formatting

Argument: []int{1, 2}

FormattingDescriptionVerb
[1 2]Default format%v
[]int{1, 2}Go-syntax format%#v
[]intThe type of the value%T

Integer

Argument: 109

FormattingDescriptionVerb
109Base 10%d
+109Always show sign%+d
␣109Width 4, right justify%4d
109␣Width 4, left justify%-4d
0109Width 4, pad with zero%04d
mCharacter%c
'm'Quoted character%q
1101101Base 2%b
155Base 8%o
6dBase 16, lowercase%x
6DBase 16, uppercase%X
0x6dBase 16, with leading 0x%#x
U+006DUnicode%U
U+006D 'm'Unicode with character%#U

Boolean

Use %t to format a boolean as true or false.

Pointer

Use %p to format a pointer in base 16 notation with leading 0x.

Float

Argument: 123.456

FormattingDescriptionVerb
1.234560e+02Scientific notation%e
123.456000Decimal point, no exponent%f
123.46Default width, precision 2%.2f
␣␣123.46Width 8, precision 2%8.2f
123.456Exponent as needed, necessary digits only%g

String or byte slice

Argument: 'café'

FormattingDescriptionVerb
caféPlain string%s
␣␣caféWidth 6, right justify%6s
café␣␣Width 6, left justify%-6s
'café'Quoted string%q
636166c3a9Hex dump of byte values%x
63 61 66 c3 a9Hex dump with spaces% x

Special values

Cheat Sheets For Go Math

ValueDescription
aU+0007 alert or bell
bU+0008 backspace
fU+000C form feed
nU+000A line feed or newline
rU+000D carriage return
tU+0009 horizontal tab
vU+000b vertical tab
U+005c backslash

Arbitrary values can be encoded with backslash escapes. There are four different formats:

  • x followed by exactly two hexadecimal digits;
  • followed by exactly three octal digits.
  • u followed by exactly four hexadecimal digits;
  • U followed by exactly eight hexadecimal digits;

The escapes u and U represent Unicode code points.

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These special values can be used in any ' string literal:

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