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Dyson AM09 Fan & Heater H2 Error

No idea what the actual error is and I couldn't find anything useful on the web, so hopefully this will help someone else. I assumed that the H2 error meant that something was dirty, clogged up or that it was overheating because it was dirty or clogged up because the error only showed up when it was in Heater mode. The heater would run for about 30 seconds, then it would show the error and switch over to the high speed fan , I assume to try to blow out the dust. I proceeded to open it up to give it a deep clean because the Dyson instructions for cleaning this thing are ridiculous and don't help at all. Gently wiping down the outside and vacuuming the intake holes....really Dyson, really?! I used cotton swabs and 91% alcohol to clean everything I could get to, starting at the base (in hindsight, this part may not be necessary at all). Then I got to the top of the device where the actual air comes out of and noticed that there was a lot of build up on the heater coils. I could...
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S3FS + UpdateDB = Billing Increase

If you are using s3fs  to mount an S3 bucket to your server and have noticed a huge increase in ListBucket and HeadObject calls in your Billing. The calls will increase you AWS bill and depending on how many objects you have in your bucket, it could be significant.  Day over day I saw "Requests-Tier2" - The number of GET and all other non-Tier1 requests - go from 399 thousand to 9 million. That's a  2155% increase and my bill went from 17 cents per day to 4 dollars per day. Requests-Tier1 - The number of PUT, COPY, POST, or LIST requests for STANDARD, RRS, and tags - also increased, but not as much. 90 thousand per day to 325 thousand per day. It took some digging, but I found the culprit by running the following command: $ lsof | grep S3_DROP_ZONE which gave the following output [root@ip-999-99-9-999 ec2-user]# lsof | head -1 && lsof | grep S3_DROP_ZONE COMMAND    PID  TID           USER   FD    ...

Replacing your HDD with a SSD in a Mid-2009 Mac

What you'll need: T6 screwdriver PH000 philips screwdriver SATA to USB connector ( or SATA to Thunderbolt if you feel like spending the cash) Apples DiskUtility Application 2.5 inch SATA SSD (e.g. Samsung 850 EVO), size is up to you Before we swap the drives out we want to test our speeds so that we can compare with what we get afterwards. You can run the below commands a few times, then take an average if you want a better representation. Write Speed (16GB file, lower the values of the bs and count params for a smaller file) 52.872 MB/sec write speed Read Speed 50.6726 MB/sec read speed Also, in the Disk tab of the ActivityMonitor you can see a real-time measurement of reads/writes per second, which where an approximate match to the values I got above. Hook up the new drive The next thing to do is clone the current disk over to the SDD. I used a SATA to USB connector I found online to connect it to the Mac and I used the DiskUtility app to clone the disk. Onc...

ColdFusion to Sails.js Conversion : Find/Replace Tips/Tricks

Use your IDE of choice, I prefer Sublime Text because it uses the Perl Compatible Regular Expressions (PCRE) engine from the Boost library and I love me some regex. I will show examples for .js syntax, but if you need this in .ejs format just add <% to the beginning and %> to the end like in the first example below.  I always have the case sensitive button off in Sublime, so if you are using a different editor make sure you use the proper ignore case flag or you may get mixed results. These examples are meant to speed up the conversion, some additional refactoring may also be necessary. more to come...

ColdFusion to Node.js Conversion : Setup Part 1

This multi-part post will be community comment driven, which basically means that in an effort to not spend too much time on details that might not matter to the viewers out there, I am only going to share the details which I think are important at the time of publishing the posts. If people (or bots) comment and want more details, I will add them to the original post. As always, constructive criticism is always welcome. Since I am currently using the CFWheels framework (which is inspired by Ruby on Rails or RoR), I chose to try out the Sails.js framework for Node.js (which is also similar to Rails). 1st thing I did was get Node and Apache working together by adding this to my Apache vhost(VirtualHost) block: ProxyRequests on ProxyPass / http://localhost:8124/ And adding this to my hosts file (/etc/hosts): 127.0.0.1 mynewapp.node www.mynewapp.node This allows me to setup an alias in my host file and reference the URL as you normally would without adding the portnumber o...