Transferred from: http://www.cnblogs.com/venow/archive/2012/11/22/2779667.htmlPost the original article come over, hint of sensitive words. Then don't put it on.The following is the blog author Note:There is this code in the Threadpool_function
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In go, although there is a log module, but the module does not provide a strong function, for example, there is no common level log function, but it is not difficult
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Article, where the information may have evolved or changed. A preliminary look at the basic grammar of the go language, just to see the code quickly looked at the back to forget the front, so still want to combat, but just
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Single core execution if the for front or middle does not delay, the main thread does not yield the CPU, causing the asynchronous thread to fail to execute.
The flag
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Most of the crossing are certainly not very familiar with the actor model. I am here based on Erlang, Skynet and other languages and framework libraries to explain
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When using Goroutine, we often write code like this:
Package Mainimport ("FMT") VAR (flag boolstr String) func foo () {flag = TRUESTR = "Setup complete!"} Func main (
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Package Ftpimport ("Errors" "FMT" "IO" "NET" "OS" "StrConv" "strings") type FTP struct {con net. Connip string}func newftp (IP string) (*ftp, error) {buf: = make
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The case of the first letter in go determines whether this variable can be called externally,
For example, when you use the JSON encoding of a standard library to
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Filename.json
===============
{"FileName": "NAV20130104","Path": "F:\\golang\\test\\src\\photoweb"}
NAV20130104 (only two lines below, showing 4 rows)
================0
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Data structure, bytes buffertype buffer struct {buf [] Byte // byte slicing off int // Write Data Runebytes [utf8 from &buf[off]
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Package Mainimport ("Flag" "Log" "Os/exec" "Strings" "Sync" "Time" "Github.com/go-fsnotify/fsnotify") Var (sleeptime Intpath stringcmd Stringargs []string] func init ()
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The final conclusion of the test:
comprehensive performance testing and coding difficulty degree test results, I from the perspective of the project to draw a few
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In a real project, be sure to use log or encapsulate a higher-level custom log, instead of using FMT directly for 2 reasons:
(1) The most important point, the log
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Original articles, reproduced please specify the Source: Server non-amateur research http://blog.csdn.net/erlib author Sunface
What is native Client?
native
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Golang custom data type querying and inserting the point data in PostgreSQL
The specific code is as follows:
PackageMainImport("bytes" "Database/sql"
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Pay attention to point one,
The go build will selectively compile files that end with the system name (Linux, Darwin, Windows, FreeBSD). For example, Linux (Unix)
Http://www.cnblogs.com/xiaogangqq123/archive/2012/03/19/2405805.htmlWhat is Git?
Git is a free, open-source, distributed version control system. Designed to handle any software engineering, regardless of size, quickly and efficiently.
StstDoes this idea agree?QXI find it very agreeable.YfYes, but consider re-engineering to cost, especially opportunity costQXIn addition, I think a lot of design has historical limitations, then enough, but with the business development, will not be
System parameters:Os. ArgsAn array of strings that hold the command arguments, where the OS. ARG[0] is the path to the command itself, and the remaining items hold the input parametersExample: $ go run myapp.exe-d/homeOs. ARGS[0]: Command pathOs.
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