buf := bytes.NewBufferString("hello world") buf.WriteTo(file)//或者使用写入,fmt.Fprintf(file,buf.String())} 四、读出缓冲器 1、Read方法,给Read方法一个容器,读完后p就满了,缓冲器相应的减少。 // func (b *Buffer) Read(p []byte)(n int,err error)funcmain(){ s1 := []byte("hello")...
d1 := []byte("hello\ngo\n") err := ioutil.WriteFile("/tmp/dat1", d1, 0644) check(err) f, err := os.Create("/tmp/dat2") check(err) defer f.Close() d2 := []byte{115, 111, 109, 101, 10} n2, err := f.Write(d2) check(err) fmt.Printf("wrote %d bytes\n", n...
$ go tool pprof http://127.0.0.1:6060/debug/pprof/profile?seconds=30Saved profilein/root/pprof/pprof.demo.samples.CPU.001.pb.gzFile:demoType:CPUTime:Dec24,2023at11:42am(CST)Duration:10s,Total samples=70ms(0.7%)Entering interactivemode(type"help"forcommands,"o"foroptions)(pprof) 1.1.2 ...
bytes.buffer是一个缓冲byte类型的缓冲器存放着都是byteBuffer 是 bytes 包中的一个 type Buffer struct{…} A buffer is a variable-sized buffer of bytes with Read and Write methods. The zero value for Buffer is an empty buffer ready to use.(是一个变长的 buffer,具有 Read 和Write 方法。 Buff...
duration + 0.5 } }) // TODO chef 优化这块buffer的构造 var buf bytes.Buffer buf.WriteString("#EXTM3U\n") buf.WriteString("#EXT-X-VERSION:3\n") buf.WriteString("#EXT-X-ALLOW-CACHE:NO\n") buf.WriteString(fmt.Sprintf("#EXT-X-TARGETDURATION:%d\n", int(maxFrag))) buf.WriteString...
NewReaderSize returns a new Reader whose buffer has at least the specified size. If the argument io.Reader is already a Reader with large enough size, it returns the underlying Reader.*/reader :=bufio.NewReader(file) //文件若不是换行结尾,就算出错 ...
AVIOContext *avio_alloc_context( unsigned char *buffer, int buffer_size, int write_flag, void *opaque, int (*read_packet)(void *opaque, uint8_t *buf, int buf_size), int (*write_packet)(void *opaque, uint8_t *buf, int buf_size), int64_t (*seek)(void *opaque, int64_t offset...
proxy_connect_timeout 90; proxy_send_timeout 90; proxy_read_timeout 90; proxy_buffer_size 4k; proxy_buffers 4 32k; proxy_busy_buffers_size 64k; proxy_temp_file_write_size 64k; } } 参与贡献 Fork 本项目 新建Feat_xxx 分支 提交代码 新建Pull Request...
_, _ = conn.Write(packet[:n]) } } 上面是一个基于 Go 原生网络模型(基于 netpoller)编写的一个 TCP server,模式是 goroutine-per-connection ,在这种模式下,开发者使用的是同步的模式去编写异步的逻辑而且对于开发者来说 I/O 是否阻塞是无感知的,也就是说开发者无需考虑 goroutines 甚至更底层的线程...
aaron/sql-types-bytes-buffer-benchmark aaron/nbs-session-lifecycle-sanity-checks zachmu-f73a318f nicktobey/toast aaron/sqlserver-config aaron/remove-swiss reltuk-14a57e07 aaron/sqlserver-wait-for-connection-drain reltuk-d06023db james/bump ...