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幾らか言いたい事があったので。 Go言語感想文 - なるせにっき 序 最近、敵情視察を兼ねた仕事ととしてGoでアプリケーションを書いていた。このアプリケーションがどんなものかはそのうち id:tagomoris さんがどこかで話すと思うけれど、この コンポーネント ... http://naruse.hateblo.jp/entry/2017/06/02/203441 GoroutineとChannel Goroutineはようするにスレッドなんですが、文法と実装の支援でより気軽に使えるのが他の言語との違いでしょうか。なので、Goroutineをどれだけほいほい使うべきかというコスト感覚を身につけることがとても大事な気がします。Rubyなどとは気持ちを切り替えていく必要があるでしょう。ぼくはまだ切り替えきれていません。 Goroutine はスレッドではありません。Goroutine はコ
The most amazing feature of Parse Server is that it’s accessible for developers of all skill levels. Personally, I started playing around with Objective-C in 2012. Parse was a way for me to build a complete online app, without having the in-depth knowledge of how to build networking, storage, user systems, etc. The more I built with Parse, the more I learnt JavaScript, which has fortunately allowe
Introduction Cross compilation is one of Go’s headline features. I’ve written about it a few times, and others have taken this work and built better tooling around it. This morning Russ Cox committed this change which resolved the last issue in making cross compilation simpler and more accessible for all Gophers. When Go 1.5 ships in August any Go programmer will be able to cross compile their pro
Nigel Tao 29 September 2011 Introduction Package image/draw defines only one operation: drawing a source image onto a destination image, through an optional mask image. This one operation is surprisingly versatile and can perform a number of common image manipulation tasks elegantly and efficiently. Composition is performed pixel by pixel in the style of the Plan 9 graphics library and the X Rende
If a goroutine is blocked, there is no cost involved other than: memory usage slower garbage-collection The costs (in terms of memory and average time to actually start executing a goroutine) are: Go 1.6.2 (April 2016) 32-bit x86 CPU (A10-7850K 4GHz) | Number of goroutines: 100000 | Per goroutine: | Memory: 4536.84 bytes | Time: 1.634248 µs 64-bit x86 CPU (A10-7850K 4GHz) | Number of goroutines: 1
This page summarizes the changes between official stable releases of Go. The change log has the full details. To update to a specific release, use: git fetch --tags git checkout goX.Y.Z Release Policy Each major Go release is supported until there are two newer major releases. For example, Go 1.5 was supported until the Go 1.7 release, and Go 1.6 was supported until the Go 1.8 release. We fix crit
I have the following code: package main import ( "encoding/json" "fmt" "io/ioutil" "log" "net/http" "time" ) type twitterResult struct { Results []struct { Text string `json:"text"` Ids string `json:"id_str"` Name string `json:"from_user_name"` Username string `json:"from_user"` UserId string `json:"from_user_id_str"` } } var ( twitterUrl = "http://search.twitter.com/search.json?q=%23UCL" pauseDur
Introduction Covered in this tutorial: Creating a data structure with load and save methods Using the net/http package to build web applications Using the html/template package to process HTML templates Using the regexp package to validate user input Using closures Assumed knowledge: Programming experience Understanding of basic web technologies (HTTP, HTML) Some UNIX/DOS command-line knowledge Ge
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