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Rails Application and SSL Problem in Internet Explorer
Recently we ran across a very annoying problem when deploying a Ruby on Rails application running under SSL when viewed in IE7. When we loaded the page in Internet Explorer 7 there was a content security error. This made no sense at all as everything was secure, and even when we hard coded absolute links the problem still persisted. What could possibly be causing this problem.
Thinking perhaps it was some random HTTP link sitting in the code, the developers went over everything with a fine tooth comb and could not find the problem. Knowing that a secure content error could be the result of a number of things we broke parts out of the page and rebuilt the page one line at a time until we recreated the content error. Low and behold we found a single JS file that was causing this problem!
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Vista x64 Displays Wrong Physical Memory Size
This is a crazy little problem in Windows Vista x64 that shows the wrong information when the System Information (msinfo32.exe) is run. This issue occurred on a computer that was upgraded from 4GB of DDR3 (4x1GB) ram to 8GB (4x2GB) of DDR3, running Windows Vista Ultimate x64.
What happened is the Installed Physical Memory displayed correctly at 8.00GB, but the Total Physical Memory only reported as 4.00GB and Available Physical Memory reported as 5.22GB. View the screenshot of this output below.
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Can Receive But Not Send Email
There are a great many reasons a user may not be able to send email but can receive it just fine. This will focus on some of the more common issues mostly involving Outlook and Outlook Express. Below are some common questions you can ask yourself to assist in troubleshooting:
- Has the ISP\email provider recently changed?
- Has the email account info been changed recently?
- Any system changes that have taken place?
To troubleshoot #1, first check if your internet is even working then contact your email provider, perhaps they are having email issues (make sure you can answer the questions #2 and #3 to assist in support). Sometimes your email provider may not be your ISP, if this is the case it is possible your ISP requires all SMTP traffic to authenticate and relay through them and not your actual email provider. This has been the case with quite a few ISP’s to restrict SMTP traffic due to worm activity. You should be able to get this information from your ISP technical support (Rogers and Bell usually require relaying through their SMTP) . To check your SMTP authentication read this.
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Remote Control Windows XP from a MAC
There are other ways to do this but this is the simplest and only requires installing 1 application.
- Download and install the Remote Desktop Connection application for MAC.
- On your XP machine, right click My Computer and select properties.
- Select ‘Allow users to connect remotely to this computer’
- Get the IP address of your XP machine (open a command prompt and type ipconfig)
- Back on your MAC, launch the Remote Desktop Connection program and connect using the IP found in step.
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Never Download a Codec Again
Windows Media Player is a real pain since it will not play DIVX and XVID out of the box, you can get video but no audio or vice versa. There are so many codecs out there, that you end up installing more than you need in order to play most downloaded content, is it really quite annoying. Enter VLC player.