metalefty

# SQLiteを使っていてカラム削除の migration を作るとこんな感じ？
class RemoveCFromT1 < ActiveRecord::Migration
  def up
    execute "
       CREATE TEMPORARY TABLE t1_backup(a,b);
       INSERT INTO t1_backup SELECT a,b FROM t1;
       DROP TABLE t1;
       CREATE TABLE t1(a,b);
       INSERT INTO t1 SELECT a,b FROM t1_backup;
       DROP TABLE t1_backup;"

metalefty

#!/bin/sh
sed -i.bak -e 's/portsnap\.FreeBSD\.org/portsnap.club.kyutech.ac.jp/' /etc/portsnap.conf
portsnap fetch extract
echo 'DEFAULT_VERSIONS= ruby=2.1 perl=5.16'  >> /etc/make.conf
echo 'MASTER_SITE_OVERRIDE?=http://mirror.club.kyutech.ac.jp/pub/FreeBSD/distfiles/${DIST_SUBDIR}/' >> /etc/make.conf
yes | pkg install sudo vim-lite lv portmaster 
echo '%wheel ALL=(ALL) NOPASSWD: ALL' >> /usr/local/etc/sudoers

metalefty

rm -rf ~ /

metalefty

package simpledateformatsample;

import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;

public class SimpleDateFormatSample {
  public static void main(String[] args) throws ParseException {
    String dateString = "2014/12/28";

metalefty

Thu May 22 01:09:08 JST 2014

% traceroute -I twitter.com
traceroute: Warning: twitter.com has multiple addresses; using 199.59.150.7
traceroute to twitter.com (199.59.150.7), 64 hops max, 72 byte packets
 1  setup.netvolante.jp (192.168.24.1)  1.182 ms  0.442 ms  0.348 ms
 2  softbank221110197165.bbtec.net (221.110.197.165)  8.749 ms  7.664 ms  7.863 ms
 3  softbank221110197173.bbtec.net (221.110.197.173)  8.216 ms  7.737 ms  7.887 ms
 4  * * *
 5  * * *

metalefty

UserConfig::shortcutkey_keybinds:
  1:
    :key: Control + Return
    :name: "投稿する"
    :slug: :post_it
  2:
    :key: Alt + x
    :name: "コンソールを開く"
    :slug: :console_open
  3:

metalefty

#!/usr/bin/env zsh

for i in {$(( 36#d240g2 ))..$(( 36#d300g2 ))}
do
        FILENAME=$(echo $(( [##36] 10#$i )) | tr '[A-Z]' '[a-z]')
        if [ -e $FILENAME ]
        then
                echo "S: $FILENAME"
                continue;
        fi

metalefty

--- stable/10/lib/libpam/modules/pam_login_access/pam_login_access.c	2014/09/18 14:16:14	271765
+++ stable/10/lib/libpam/modules/pam_login_access/pam_login_access.c	2014/09/18 14:27:37	271766
@@ -79,7 +79,14 @@
 
 	gethostname(hostname, sizeof hostname);
 
-	if (rhost == NULL || *(const char *)rhost == '\0') {
+	if (rhost != NULL && *(const char *)rhost != '\0') {
+		PAM_LOG("Checking login.access for user %s from host %s",
+		    (const char *)user, (const char *)rhost);

metalefty

setxkbmap -query | grep -q "layout:\s\+jp"  && xmodmap -e 'keycode 97 = backslash underscore backslash underscore'

metalefty

       一応正確な時計        :       おかしいPC
Thu Mar 19 12:11:20 JST 2015 : Thu Mar 19 11:59:53 JST 2015
Thu Mar 19 12:11:50 JST 2015 : Thu Mar 19 12:00:13 JST 2015
Thu Mar 19 12:12:20 JST 2015 : Thu Mar 19 12:00:33 JST 2015
Thu Mar 19 12:12:50 JST 2015 : Thu Mar 19 12:00:53 JST 2015
Thu Mar 19 12:13:21 JST 2015 : Thu Mar 19 12:01:14 JST 2015
Thu Mar 19 12:13:51 JST 2015 : Thu Mar 19 12:01:34 JST 2015
Thu Mar 19 12:14:21 JST 2015 : Thu Mar 19 12:01:54 JST 2015