Kazutaka Ogaki kgbu
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| -module(fibo). | |
| -export([fibnaive/1,fbuenishi/1,fblist/1, fblistuenishi/1]). | |
| % F(0) can be 0 or 1 | |
| fibnaive(0) -> 0; | |
| fibnaive(1) -> 1; | |
| fibnaive(N) -> fibnaive(N - 1) + fibnaive(N - 2). | |
| % by @kuenishi https://twitter.com/kuenishi/status/496684564488531969 |
kgbu
/ gist:afbc965d445bb5504d97
Created
August 5, 2014 20:27
Display playing tune artist name and title on LCD by Raspberry Pi
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| #!/bin/bash | |
| SET=/usr/sbin/i2cset | |
| AWK=/usr/bin/awk | |
| EXPR=/usr/bin/expr | |
| TR=/usr/bin/tr | |
| disp() { | |
| playing=`/usr/bin/mpc | grep 'playing'` | |
| if [ "$playing" != "" ] | |
| then |
kgbu
/ purge remaing SQS messages
Created
October 10, 2013 06:45
なぜ sqs.receiveMessage は１つしかメッセージを返さないか？ http://stackoverflow.com/questions/9959687/retrieve-multiple-messages-from-sqs Due to the distributed nature of the queue, a weighted random set of machines is sampled on a ReceiveMessage call. That means only the messages on the sampled machines are returned. If the number of messages in the queue is smal…
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| // purge remaining messages | |
| // | |
| System.out.println("purge remaining messages"); | |
| List<Message> msgs = sqs.receiveMessage(receiveMessageRequest).getMessages(); | |
| while (msgs.size() > 0) { | |
| Message ms = msgs.get(0); | |
| String mDeleteH = ms.getReceiptHandle(); | |
| System.out.println("Deleting a message." + ms.getMessageId()); | |
| sqs.deleteMessage(new DeleteMessageRequest(myQueueUrl, mDeleteH)); |
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| group XML; | |
| empty() ::= << | |
| >> | |
| object(fields) ::= << | |
| <fields; separator="\n"> | |
| >> |
kgbu
/ gist:773272
Created
January 10, 2011 19:07
My first Android code to download to real machine.
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| package jp.gr.jin.OCAO; | |
| import android.app.Activity; | |
| import android.os.Bundle; | |
| import android.hardware.Sensor; | |
| import android.hardware.SensorEvent; | |
| import android.hardware.SensorEventListener; | |
| import android.hardware.SensorManager; | |
| import android.widget.TextView; | |
| import java.util.List; |
kgbu
/ adhoc polymorphism trouble
Created
October 4, 2010 07:00
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| ghci> e: test.hs | |
| is_prime :: (Integral a, RealFrac a, Floating a) => a -> Bool | |
| is_prime x | x < 3 = True | |
| | otherwise = not (any (mod0_p x) (candidates x)) | |
| mod0_p :: (Integral a) => a -> a -> Bool | |
| mod0_p x y = (mod x y ) == 0 | |
| candidates :: (Integral t, Floating a, RealFrac a) => a -> [t] |
kgbu
/ Intel Atom base Xen3 Dom-0
Created
October 1, 2010 09:59
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| Intel Atom D510 M.B. | |
| 4CPU found in /var/log/dmesg | |
| # ./Run | |
| make all | |
| make[1]: Entering directory `/usr/local/src/unixbench-5.1.2' | |
| Checking distribution of files | |
| ./pgms exists | |
| ./src exists | |
| ./testdir exists |
kgbu
/ Intel Atom base Xen3 guest CentOS
Created
October 1, 2010 07:00
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| Intel Atom 510D base Xen3 guest CentOS | |
| # ./Run | |
| make all | |
| make[1]: Entering directory `/usr/local/src/unixbench-5.1.2' | |
| Checking distribution of files | |
| ./pgms exists | |
| ./src exists | |
| ./testdir exists | |
| ./tmp exists |