Binary Expressions

Problem

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I recently noticed at work in my Microsoft Outlook 2003 SP3 the holidays are no longer showing up in my calendar beyond the year 2007. My initial re-action was to just re-install the holidays into the calendar by going into the menu Tools -> Options -> Calendar Options… -> Add Holidays…, selecting United States and Canada then clicking “Ok” three times. However this did not resolve the problem just made it some what worse for the fact that now all my holidays in my calendar for the years 2007 and less was duplicated.

Solution

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1. Open your Outlook Calendar
2. Menu, View -> Arrange By -> By Category
3. Select all the listed holidays that is within the “Holiday” category and then delete them by pressing the delete key.
   Be careful not to mark anything you created manually.
4. Now re-install the holidays by going into the menu Tools -> Options -> Calendar Options… -> Add Holidays… and then select the countries you wish to see the holidays for.
5. Click “Ok” three times.

At this stage you should now see the holidays beyond the year 2007 all the way until the year 2012. If you wish for the holidays to go beyond the year 2012 you can manually edit the outlook holidays file with a text editor located at “C:\Program Files\Microsoft Office\Office11\1033\Outlook.hol”. If you can’t find it there do a search for “Outlook.hol” or “Outlook.txt”. Outlook 2000 and older has it stored in a file called “Outlook.txt”.

Source: Outlook Tips - Missing Holidays
Holidays File: Outlook 2003 Holidays File with Family Day Included for Saskatchewan

Background Knowledge

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This case was done on a machine running OpenBSD i386 v3.7 operating system with Perl v5.8.6 built for i386-openbsd using BASH as the command prompt interrupter.

I’ll be honest I have very little knowledge of Perl so if you have anything to comment on or suggest please do so.

Problem

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I tried to install a couple Perl modules and received an error message of “Out of Memory!”.

Solution

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Just to clarify I have very little knowledge when it comes to Perl, so this solution may or may not work for you.

On Unix machines each user has a ulimit or “user limit” which is basically from what I understand sets the limit for each resource to ensure the system is not over loaded or abused. In this case at least for me, my issue was not having a big enough data seg size. Type at the command prompt without quotes “ulimit -a” to see a list of the set limits. I increased my data seg size from 76800 to 200000. I did this by typing at the command prompt without quotes, “ulimit -d 200000″.

You may need to play with this value for your case or other ulimits. Don’t worry about the changes as none of them are permanent in this case, at least to my knowledge. When you use the ulimit it only changes it for the user you are using and for that given session. If you require more permanent changes look into using ulimit in the login script or better yet change your system configuration settings.

Comments/Thanks

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Many thanks to Scott Corley who posted an excellent blog entry entitled “perl Out of memory! (with solution)” on his blog called “Red Mercury Labs”. Without this I was getting know where fast.

If anyone can provide some further knowledge on ulimit it would be much appreciated.

Source: Red Mercury Labs - perl Out of memory! (with solution)

IBC should be known to all women of all ages, be informed and watch for symptoms.

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Source: YouTube.com
Source: IBC Research Foundation

This is got to be one of the oddest animals I have found out about, but for something that small and only grows up to be about a foot tall it is fairly cute.

read more | digg story

Background Knowledge

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The MySQL database v4.0.23 is using the default character set of “Latin1″. When the database was created I had no knowledge of character sets other wise it would have been “UTF-8″.
The web pages are using a character set of “UTF-8″.

Problem

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Data being queried from a MySQL database that contains French accent characters will not render correctly in the browser even after applying PHP htmlentities().

Example code: $string = htmlentities($string , ENT_QUOTES, “UTF-8″);

Solution

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The queried data from the database was inputted using the character set “ISO-8859-1″. I found this out by changing the browser’s character encoding to “Western ISO-8859-1″ and the French accent characters then rendered properly. With the use of PHP iconv() I was able to convert the data from “ISO-8859-1″ to “UTF-8″ character set and the French characters then rendered properly in the browser.

Example code: $string = iconv(”ISO-8859-1″,”UTF-8″,”$string”);

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If you are unaware of what MySQL default character set being used, you can run this SQL command “show variables like “%character%” and check your MySQL configuration file. Refer to the MySQL manual for further details.

Source: YouTube.com

I have learned by using the “find”, “wc” and “awk” commands one can find the total number of lines within files of a given directory and sub-directories. Thanks to NicM on IRC server Freenode channel #OpenBSD for his solution below.

Solution
find /path/blah -type f -name ‘*.php’|while read i; do wc -l <$i; done|awk ‘BEGIN { x=0 }; { x+=$1 }; END { print x }’

Note: Shell must be bourne-compatible.

One of the biggest complaints I’ve had with HTML_QuickForm is not producing valid XHTML Strict code. Well there is a simple solution to removing the name attribute of the HTML form element tag using remoteAttribute().

Example
$form->removeAttribute(’name’);

Source: Revver.com

Source: YouTube.com

I was trying to use the PHP calendar API and immediately received this error message, “Fatal error: Call to undefined function cal_days_in_month()”. This error message means PHP was not compiled with the calendar extension.

Solution

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The only solution to this error message and other similar error messages relating to the PHP calendar API requires PHP to be compiled with the calendar extension by adding “–enable-calendar” to the “configure command” as stated in the PHP documentation on the Calendar functions page.

How to Tell if the Calendar Extension is Installed

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You can verify weather or not the PHP Calendar extension was compiled at install by using the phpinfo() function. When viewing the output of phpinfo() look under “Configure Command” just below “Build Date” and if you do not see “–enable-calendar” present then all PHP Calendar functions will not work.

Configure Example

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./configure –with-mysql=/usr/local –with-mssql=/usr/local –with-apxs –with-zlib-dir=/usr/lib –with-libxml-dir=/usr/local –with-config-file-path=/var/www/conf –with-iconv=/usr/local/bin/iconv –enable-exif –-enable-mbstring –enable-calendar

Well this upgrade went very smooth with no problems at all. It really only took 3 steps to upgrade WordPress from v2.05 to v2.3. I had to upgrade two plugins and I deleted all the obsolete plugins to keep things clean. I admit a fresh install might have been better but didn’t want the hassle of putting the pieces back together.

Akismet plugin didn’t require any upgrade.

Upgraded WP Plugins (installed fresh)

• WordPress Database Backup
• WP-phpMyAdmin

Removed WP Plugins

• WordPress Database Backup (upgrade required)
• WP-Cron (obsolete)
• WP-Cron-Mail (obsolete)
• WP-Cron Dashboard (obsolete)
• WP-Cron Future Pings (obsolete)
• WP-Cron Gravatar Cache (obsolete)
• WP-Cron Moderation (obsolete)
• WP-Cron Reminder (obsolete)
• WP-Cron UpdateLinks (obsolete)
• WP-phpMyAdmin (upgrade required)

Source: Upgradding Wordpress