erukiti

package main

/*
#cgo CFLAGS: -I../mruby/include
#cgo LDFLAGS: -L../mruby/build/host/lib -lmruby -lm

#include <mruby.h>
#include <mruby/compile.h>

*/

erukiti

目的

自分カウンセリング。自分のことがよくわからないので、いろいろと自分の性質をあぶり出した上で、戦術・戦略を立てる

ここでは「なりたい自分」にスコープを限定して探る

列挙してみる

erukiti

$ /Applications/IntelliJ\ IDEA\ 14.app/Contents/MacOS/idea
2014-11-06 02:34:18.341 idea[1475:374197] find Java: 1.7.0_72
2014-11-06 02:34:18.342 idea[1475:374197] No matching VM found.
[JavaAppLauncher Error] CFBundleCopyResourceURL() failed loading MRJApp.properties file
[JavaAppLauncher Error] CFBundleCopyResourceURL() failed while getting Resource/Java directory
[LaunchRunner Error] No main class specified
[JavaAppLauncher Error] CallStaticVoidMethod() threw an exception
Exception in thread "main" java.lang.NullPointerException
	at apple.launcher.LaunchRunner.run(LaunchRunner.java:113)
	at apple.launcher.LaunchRunner.callMain(LaunchRunner.java:51)

erukiti

package main

import (
	"fmt"
	"io/ioutil"
	"net/http"
)

func main() {
	url := "http://yukkurisinai.net/gopher.png"

erukiti

package main

import (
	"fmt"
	"io/ioutil"
	"net/http"
	"os"
	"strings"
)

erukiti

package main

import (
	"fmt"
	"io/ioutil"
	"net/http"
	"os"
	"runtime"
	"strings"
	"sync"

erukiti

package main

import (
	"fmt"
	"github.com/codegangsta/cli"
	"io/ioutil"
	"net/http"
	"os"
	"runtime"
	"strings"

erukiti

開発効率を下げている障害

• 知識不足
  • -> 本を読む
  • 知識収集効率が悪いというループ
• 経験不足
  • -> 経験を積む
    • -> コードを書く
• ->

erukiti

import java.io.{InputStreamReader, BufferedReader}

import com.amazonaws.{Protocol, ClientConfiguration}
import com.amazonaws.auth.BasicAWSCredentials
import com.amazonaws.services.s3.AmazonS3Client
import com.amazonaws.services.s3.model.AmazonS3Exception

object app extends App {
  private def getObject(s3: AmazonS3Client, bucket: String, key: String): Either[Throwable, String] = {
    try {

erukiti

package controllers;

import com.amazonaws.AmazonClientException;
import com.amazonaws.ClientConfiguration;
import com.amazonaws.Protocol;
import com.amazonaws.auth.BasicAWSCredentials;
import com.amazonaws.services.s3.AmazonS3Client;
import com.amazonaws.services.s3.model.S3Object;
import play.*;
import play.mvc.*;