Shift-Insert in MacBook

May 17, 2011 By Leave a Comment

I use the terminal a lot be it in Mac, Windows or Linux. And it’s kinda frustrating in Mac for the lack of a dedicated insert key. Clearly, you’ll never think about small things until it’s gone. Copy-Paste function turned out to be an important feature.

So I looked for the equivalent command/key combination in the net and the combo below worked on MacBook Pro.

fn+command+v

Yeah, I know it’s a kinda bummer because it’s just one key on PC( Windows, Unix and Linux). But that’s how Apple is. Also, I’m not sure if it works for iMac. I heard there’s another key combination.

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Filed Under: Blog, Mac

Facebook Like Box Not Working [solved]

May 15, 2011 By 7 Comments

For some reason, the code being generated inside Facebook developer does not work. Actually, the problem is on the profile_id parameter which is not recognized by the likebox.php. Instead, id should be used.


<iframe src="http://www.facebook.com/plugins/likebox.php?id=[YOUR_PAGE_ID_HERE]&width=298&connections=10&stream=false&header=true" scrolling="no" frameborder="0" allowTransparency="true" style="border:none; overflow:hidden; width:298px; height:290px"> </iframe>

If still that doesn’t work, then you can use the legacy code as below.

<iframe src="http://www.facebook.com/connect/connect.php?id=[YOUR_PAGE_ID_HERE]&connections=10&stream=0&locale=en_US" allowtransparency="true" style="border: medium none; width: 300px; height: 240px;" scrolling="no" frameborder="0"></iframe>

I tried both and they all worked as expected.

Source:

http://forum.developers.facebook.net/viewtopic.php?id=56454&p=1

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Filed Under: Blog, InterWebs Tagged With: , , ,

MySQL Fail To Start After Upgrade to 5.1 or higher

May 14, 2011 By 2 Comments

I recently upgraded my MySQL in preparation for WordPress 3.2. The version I now have is 5.5.12. The upgrade finished without a hitch but when I tried to restart the service, the MySQL Daemon failed.

Here’s the log of mysql (/var/log/mysqld.log)

110514 14:04:22 mysqld_safe Starting mysqld daemon with databases from /var/lib/mysql
110514 14:04:22 [Note] Plugin 'InnoDB' is disabled.
110514 14:04:22 [Note] Plugin 'FEDERATED' is disabled.
/usr/libexec/mysqld: Table 'mysql.plugin' doesn't exist
110514 14:04:22 [ERROR] Can't open the mysql.plugin table. Please run mysql_upgrade to create it.
110514 14:04:22 [ERROR] Unknown/unsupported storage engine: InnoDB
110514 14:04:22 [ERROR] Aborting

Initially, I thought the problem was on the mysql_upgrade part because that’s the first error that appears on the log. Apparently, that’s just a warning message because the service still managed to proceed to the next step which is for the InnoDB. And based on the log, it failed to start and actually aborted. So that’s where I should concentrate my investigation/trial-and-error.

Solution

I opened /etc/my.cnf and comment out skip-innodb and then restart mysqld. It fixed the problem and mysql managed to start. I then proceeded with the mysql_upgrade which is unrelated to the error.

Another solution for this is to set the default storage to other than InnoDB. However, I haven’t tried that myself.

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Filed Under: Blog, Linux, MySQL

Upgrading to PHP 5.3 for CentOS

May 14, 2011 By Leave a Comment

I wanted to try WordPress 3.2 beta but realized that it requires at least PHP 5.2 and I’m still with 5.1.6 (the one that comes with CentOS). Here’s what I got from the interwebs.

Step 1: Get webtatic PHP 5.3 Repository
rpm -Uvh http://repo.webtatic.com/yum/centos/5/latest.rpm

Step 2: Update PHP
yum --enablerepo=webtatic update php

Step 3: Verify PHP version
php -v

Expected result should be like below

PHP 5.3.6 (cli) (built: Mar 19 2011 08:30:07)
Copyright (c) 1997-2011 The PHP Group
Zend Engine v2.3.0, Copyright (c) 1998-2011 Zend Technologies

*** NOTE ***
Though webstatic stated that the repository is created for CentOS 64bit, it still worked for my 32-bit installation.

Source:

http://www.webtatic.com/packages/php53/

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Filed Under: Blog, Linux, PHP

Input truncated to 1 characters

April 12, 2011 By Leave a Comment

That pesky though harmless message “Input truncated to 1 characters” keep on appearing on one of my scripts and I can’t figure out what’s the problem. It turned out that the last line of my script is the slash (/). An extra new line is needed after the slash so that this message is suppressed.

To be clear, here’s the screenshot.

[Read more...]

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Filed Under: Blog, Oracle, PL/SQL

Resizing Photos in Mac OS X

March 24, 2011 By Leave a Comment

And then there’s another little bugger in my quest to . Here’s the steps I use now.
1. Open the image/photo in the Preview
2. From the top menu, Click on Tools–>Adjust Size

3. Enter the new dimension

It is so damn simple…. if you know how.

What I like most about it is the fact that I did not need to install any new software (like WinXP PowerTools). The stock Mac OSX already has this tool.

Filed Under: Apple, Blog

Renaming Files in Mac OS X

March 22, 2011 By Leave a Comment

Got a Macbook Pro the other week and I’m still familiarizing myself with the new OS. Well, OS X is supposed to be a simple and you bet it is. But how can I rename the files? Thanks to one commenter in Donncha’s comment, it turned out that it’s actually easy. Here’s the steps.
1. Open the Finder
2. Click/Tap on the file you want to rename
3. Press Enter.

The filename will become editable and you can change it the way you like it. You can see the actual comment here.

Before I found that post, I actually opened the terminal and hack it from there. Yes, it is silly. Labor pains.

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Filed Under: Apple, Blog

Oracle MERGE command

March 2, 2011 By Leave a Comment

Oracle MERGE command was added in 9i but I only learned about it lately. This command is sometimes referred to as UPSERT because in one statement, you can both update and insert records into a target. Based on the matching condition, MERGE can update existing records if a match is found or insert new record if not. Prior to 9i, we need separate sql statements or a PL/SQL program to do this.

[Read more...]

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Filed Under: Blog, Oracle, PL/SQL Tagged With: , , , , , ,

Oracle PL/SQL Continue Statement in Loops

February 10, 2011 By 1 Comment

The CONTINUE statement is very handy feature when programming with loops in Oracle PL/SQL. Basically, it lets you skip to the next iteration of your loop (i.e., next record in the cursor loop). Unfortunately, it was only added in 11g Release 1 (11.1). This is stated in the Language Reference of that version.

Below is the example.

SQL> DECLARE
2 x NUMBER := 0;
3 BEGIN
4 LOOP — After CONTINUE statement, control resumes here
5 DBMS_OUTPUT.PUT_LINE (‘Inside loop: x = ‘ || TO_CHAR(x));
6 x := x + 1;
7
8 IF x < 3 THEN
9 CONTINUE;
10 END IF;
11
12 DBMS_OUTPUT.PUT_LINE
13 ('Inside loop, after CONTINUE: x = ' || TO_CHAR(x));
14
15 EXIT WHEN x = 5;
16 END LOOP;
17
18 DBMS_OUTPUT.PUT_LINE (' After loop: x = ' || TO_CHAR(x));
19 END;
20 /

[Read more...]

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Filed Under: Blog, Oracle, PL/SQL

Run SQL Script via SQL*Plus via Prompt

February 9, 2011 By Leave a Comment

If you want to run an SQL script via sqlplus in the shell prompt, the command is as below.

sqlplus user/pass@connect @scriptname

Don’t forget that there should be an exit command at the end of the sql. Otherwise, the sqlplus will not exit and just stop running until you manually call exit.

Now, if the SQL script does not have exit at the end, you’ll have to do the following.

echo exit | sqlplus user/pass@connect @scriptname

This is another trivial thing that can be easily forgotten.

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Filed Under: Blog, Linux, Oracle
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