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| # using pngquant package | |
| https://github.com/kornelski/pngquant |
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| # git revert creates a new commit that undoes the changes from a specific commit. It doesn't remove commits from history or revert "until" a point. | |
| # How git revert works: | |
| # Creates a new commit that reverses the changes | |
| # Doesn't delete or remove commits from history | |
| # Works on specific commits, not ranges | |
| # Important: Order matters | |
| # Revert in reverse chronological order (newest first) to avoid conflicts: |
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| java --version |
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| // maps.Equal(map1, map2) bool | |
| myMap2 := map[string]string{ | |
| "name": "Alice", | |
| "country": "Wonderland", | |
| } | |
| fmt.Println("Second map:", myMap2) | |
| myMap3 := map[string]string{ | |
| "name": "Alice", | |
| "country": "Wonderland", |
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| // syntax: mapLiteral := map[keyType]valueType{ key1: value1, key2: value2, } | |
| myMap2 := map[string]string{ | |
| "name": "Alice", | |
| "country": "Wonderland", | |
| } | |
| fmt.Println("Second map:", myMap2) |
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| myMap := make(map[string]int) | |
| myMap["key1"] = 15 | |
| myMap["key2"] = 100 | |
| myMap["key3"] = 7 | |
| myMap["key4"] = 23 | |
| value, exists := myMap["key1"] | |
| fmt.Println("Value for key1:", value, "Exists:", exists) //Value for key1: 15 Exists: true | |
| valueOfKey10, existsKey10 := myMap["key10"] | |
| fmt.Println("Value for key10:", valueOfKey10, "Exists:", existsKey10) // Value for key10: 0 Exists: false |
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| myMap := make(map[string]int) | |
| myMap["key1"] = 15 | |
| myMap["key2"] = 100 | |
| myMap["key3"] = 7 | |
| myMap["key4"] = 23 | |
| // clear syntax: clear(mapVariable) | |
| clear(myMap) | |
| fmt.Println("Map after clearing:", myMap) |
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| // delete syntax: delete(mapVariable, key) | |
| myMap := make(map[string]int) | |
| myMap["key1"] = 9 | |
| delete(myMap, "key1") |
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| //slices.Equal(slice1, slice2) | |
| a := [5]int{1, 2, 3, 4, 5} | |
| slices1 := a[1:4] // from index 1 to index 3 | |
| sliceCopy := make([]int, len(slices1)) | |
| if slices.Equal(slices1, sliceCopy) { | |
| fmt.Println("slices1 and sliceCopy are equal") | |
| } else { | |
| fmt.Println("slices1 and sliceCopy are not equal") |
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| // []T{e1, e2, e3, ...} | |
| // Where T is the type of the elements (e.g., int, string, bool, struct), | |
| // and e1, e2, e3, etc., are the initial elements of the slice | |
| fruits := []string{"Apple", "Banana", "Orange"} |
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