摘要:
```go package main import ( "fmt" "math" ) const da = 0.29999999999999998889776975374843459576368331909180 const db = 0.3 func main() { daStr := fmt.S 阅读全文
posted @ 2018-03-21 23:59
cucy_to
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```go
package main import ( "fmt" "strconv"
) const bin = "00001"
const hex = "2f"
const intString = "12"
const floatString = "12.3" func main() { // Decimals res, err := strconv.Atoi(intStrin... 阅读全文
posted @ 2018-03-21 23:56
cucy_to
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```go package main import ( "fmt" "strconv" "strings" "unicode"
) func main() { text := "Hi! Go is awesome." text = Indent(text, 6) fmt.Println(text) text = Unindent(text, 3) fmt.Println... 阅读全文
posted @ 2018-03-21 23:53
cucy_to
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```go package main import ( "fmt" "math" "regexp" "strconv" "strings"
) func main() { stringToTrim := "\t\t\n Go \tis\t Awesome \t\t" trimResult := strings.TrimSpace(stringToTrim) fmt.Pr... 阅读全文
posted @ 2018-03-21 23:52
cucy_to
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data.csv un_comment.csv 阅读全文
posted @ 2018-03-21 23:50
cucy_to
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```go package main import ( "fmt" "strings" "unicode"
) const email = "ExamPle@domain.com"
const name = "isaac newton"
const upc = "upc"
const i = "i" const snakeCase = "first_name" func main(... 阅读全文
posted @ 2018-03-21 23:44
cucy_to
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cat /Users/zrd/Downloads/gostandardlib/Chapter02/Strings\ and\ Things/recipe08/win1250.txt Gda�sk% decode 阅读全文
posted @ 2018-03-21 23:43
cucy_to
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```go package main import ( "fmt" "regexp" ) const refString = `[{ \"email\": \"email@example.com\" \"phone\": 555467890}, { \"email\": \"other@domain 阅读全文
posted @ 2018-03-21 23:24
cucy_to
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正则替换 阅读全文
posted @ 2018-03-21 23:21
cucy_to
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```go
package main import ( "fmt" "os" "text/tabwriter"
) func main() { w := tabwriter.NewWriter(os.Stdout, 15, 0, 1, ' ', tabwriter.AlignRight) fmt.Fprintln(w, "username\tfirstname\tlastname\... 阅读全文
posted @ 2018-03-21 23:17
cucy_to
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性能测试 go package bench import ( "bytes" "testing" ) const testString = "test" func BenchmarkConcat(b testing.B) { var str string b.ResetTimer() for n : 阅读全文
posted @ 2018-03-21 23:05
cucy_to
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##
```go
package main import ( "fmt" "strings"
) const selectBase = "SELECT * FROM user WHERE %s " var refStringSlice = []string{ " FIRST_NAME = 'Jack' ", " INSURANCE_NO = 333444555 ", " EFFEC... 阅读全文
posted @ 2018-03-21 22:48
cucy_to
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遍历带空格的字符串 指定分割的字符串 去除特别符号 正则去掉特别字符串 阅读全文
posted @ 2018-03-21 22:34
cucy_to
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```go
package main import ( "fmt" "strings"
) const refString = "Mary had a little lamb" func main() { lookFor := "lamb" contain := strings.Contains(refString, lookFor) fmt.Printf("The \"%s\"... 阅读全文
posted @ 2018-03-21 22:22
cucy_to
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数据存储 存储在内存中 读写文件 CSV gob 二进制文件 阅读全文
posted @ 2018-03-21 19:14
cucy_to
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模板引擎 无逻辑模板引擎, 嵌入逻辑模板引擎 简单的模板 goweb模板引擎需要两个步骤,1对文本的模板源进行语法分析,创建一个经过语法分析的模板结构,其中模板源可以是一个字符串,也可以是模板文件包含的内容;(2)经过执行语法分析的模板,将ResponseWriter和模板所需的动态数据传给模板引擎 阅读全文
posted @ 2018-03-21 16:07
cucy_to
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Request 结构 组成: URL字段 Header字段 空行 Body字段 Form字段、postform字段,multipartForm字段 请求Url ·结构· URL格式一般为 request Header request Body Form POST FILE 方法2 response 阅读全文
posted @ 2018-03-21 10:46
cucy_to
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