Monthly Archives: January 2012

How To Set Cron to Run Every 5 Minutes

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29

Thanks to this handy document How To Set Cron to Run Every 5 Minutes I now my crontab configured so that my jj5-test repo gets updated every five minutes. It’s the sort of thing I generally do in a post-commit hook, but in this case that won’t work owing to the way the servers are configured (the files are in my account and not owned by the www-data user the commit-hook runs as).

So to configure cron I issued the command:

 $ crontab -e

And then to update my svn working copy:

# m h  dom mon dow   command
*/5 * * * * cd /home/jj5/web/test && svn update > /dev/null

How to open file links in Firefox 1.5 and above

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36

Found some instructions about How to open file links in Firefox 1.5 and above and I’m going to try it out just as soon as I can reset my browser.

Basically you add something like the following to your user.js file which is in C:\Documents and Settings\[User Name]\Application Data\Mozilla\Firefox\Profiles\[Profile]\user.js.

user_pref("capability.policy.policynames", "localfilelinks");
user_pref("capability.policy.localfilelinks.sites", "http://www.example.com");
user_pref("capability.policy.localfilelinks.checkloaduri.enabled", "allAccess");

HTML5 and CSS positioning

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36

I stumbled across a weird bug today that I didn’t know about and wasn’t expecting. I’d done a little bit of a CSS file to go with a little bit of HTML that did some simple positioning of content. Then I validated my document on the W3C Markup Validation Service and it complained about a missing doctype. So I added a doctype for HTML5. After I did that my page looked all screwy, the CSS positioning was applying correctly. Anyway it turned out that the reason the CSS wasn’t applying was because I had property specifications like this:

#content {
  margin: 170 50 50 50;
  padding: 0;
}

Whereas I needed to specify the units, like this:

#content {
  margin: 170px 50px 50px 50px;
  padding: 0px;
}

Internet explorer support for file URIs

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1

The URI file://bender-xp/C$/ works in an anchor tag in IE8 to open the \\bender-xp\C$ file share on my network. In this case bender-xp was the name of my local machine but it works for remote file shares too (I tested it to a Samba share on another box).

Unfortunately my version of Firefox (version 9.0.1) doesn’t support this.

File upload error – unable to create a temporary file in Unknown on line 0

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38

I was working with phpMyAdmin and I got the following error:

 File upload error - unable to create a temporary file in Unknown on line 0

The problem was that the upload_tmp_dir setting in my php.ini file was specified twice. Once up the top of the file where I was editing it, and then later in the file where I didn’t see it. So the setting I wanted wasn’t being applied. If you get this error double check you’ve only got one setting for upload_tmp_dir.