【Golang】源码 - Context 包

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Posted by Wei on 2021-08-05, Last Modified on 2025-04-23

【Golang】源码 - bytes.buffer

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Posted by Wei on 2021-08-05, Last Modified on 2025-04-23

【TrueNAS】同步到S3

Price

以 US East (N. Virginia) 为例

S3 Glacier Deep Archive ** - For long-term data archiving that is accessed once or twice in a year and can be restored within 12 hours
- $0.00099 per GB per month，也就是一个月 1TB 0.99美元
S3 Glacier Flexible Retrieval - For long-term backups and archives with retrieval option from 1 minute to 12 hours
- $0.004 per GB per month，也就是一个月 1TB 4美元
S3 Glacier Instant Retrieval *** - For long-lived archive data accessed once a quarter with instant retrieval in milliseconds
- $0.004 per GB per month,也就是一个月 1TB 4美元

Refer to https://aws.amazon.com/s3/pricing/

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Posted by Wei on 2021-08-05, Last Modified on 2024-10-18

【Golang】源码 - fmt.print

// Fprintf formats according to a format specifier and writes to w.
// It returns the number of bytes written and any write error encountered.
func Fprintf(w io.Writer, format string, a ...interface{}) (n int, err error) {
	p := newPrinter()
	p.doPrintf(format, a)
	n, err = w.Write(p.buf)
	p.free()
	return
}

// Sprintf formats according to a format specifier and returns the resulting string.
func Sprintf(format string, a ...interface{}) string {
	p := newPrinter()
	p.doPrintf(format, a)
	s := string(p.buf)
	p.free()
	return s
}

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Posted by Wei on 2021-08-03, Last Modified on 2025-04-23

【Golang】源码 - strings.Builder

Definition

type Builder struct {
	// contains filtered or unexported fields
}

A Builder is used to efficiently build a string using Write methods. It minimizes memory copying. The zero value is ready to use. Do not copy a non-zero Builder.

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Posted by Wei on 2021-08-03, Last Modified on 2024-10-18

西维蜀黍