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funcptr

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Today is a twofer today... two for the price of one, another quick article on how to get build numbers into your C/C++ binaries when using waf.

http://funcptr.net/2014/06/10/build-numbers-in-binaries-using-waf/
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funcptr

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Friend and colleague +Scott Sturdivant just wrote an excellent article on how to use portshaker and poudriere together on #FreeBSD  to allow you to easily build and maintain custom ports that are not in the default ports tree and build packages for them!

Check it out: http://funcptr.net/2013/12/11/building-custom-ports-with-poudriere-and-portshaker/
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funcptr

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As a follow-up to my previous post it is now documented how to embed #ZeroMQ within #libev.

http://funcptr.net/2013/04/20/embedding-zeromq-in-the-libev-event-loop/
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Been a busy day today, mostly upgrading from FreeBSD 8.2-RELEASE to FreeBSD 9.0-RELEASE and re-installing all the appropriate software as required.

Since I am running FreeBSD with ZFS on root there are couple gotcha's that I had to watch out for during my upgrade, so I made sure to document them in the latest entry to the technical notebook!

http://funcptr.net/2012/04/24/freebsd-8.2-to-9.0-update-with-zfs-on-root-(mirror)/
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http://funcptr.net/2012/04/08/openssl-as-a-filter-(or-non-blocking-openssl)/

New blog post out (as of two days ago, just got around to uploading it). This is a trick I found online on how to use OpenSSL as a filter. This allows one to easily hook OpenSSL into an event library, such as for example libev.

The code sample is written in C++, but it should be fairly simple to translate it into C if so desired. If you have any questions feel free to post here!
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Just updated the http://funcptr.net/ website with an updated style/layout. This moves the header to the top of the page as a stand alone rather than in the side bar fixing some issues that were showing up on iOS when the page was viewed on an iPhone.

Other changes include the addition of social media buttons, they are located extremely unobtrusively at the bottom of the page after the full post, and if people are so inclined are easily blocked with adblock by blocking div.#social.

Looking forward to hearing what you all think!
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funcptr

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It's been a long time coming, but it is finally here... a follow-up to my last post regarding what you should and should not store in a session.

This time we are covering how to store the session ID in a cookie, and how to tamper proof the cookie so that a malicious user can not modify it.

http://funcptr.net/2014/06/10/tamper-proof-session-cookies-and-session-storage/
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There is a significant lack of information on what you should/shouldn't store inside of a users session, hopefully this article can help clear up some of the misconceptions, and how to make sites more secure.

http://funcptr.net/2013/08/25/user-sessions,-what-data-should-be-stored-where-/
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I was doing some work on embedding #ZeroMQ within another event loop, more specifically the libev event loop and wanted to document some of my findings as well as explain the difference between edge and level triggered events.

http://funcptr.net/2012/09/10/zeromq---edge-triggered-notification/

Looking forward to feedback on the article, and hopefully those of you also implementing software with ZeroMQ will have another resource!
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Little projects like this are absolutely fantastic, and the end result is awesome!
 
Average all of the fonts on your computer and what will you get? Most likely not a whole lot, but take it one step further and do some math and you may get something similar to this guy:

http://iotic.com/averia/

Very, very cool project. Love the look of the font, and the thought process and idea behind it is fantastic.
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Just posted a new article about converting from KVM based virtual machine images to VirtualBox based virtual machine images due to a client requirement:

http://funcptr.net/2012/04/01/converting-kvm-virtual-machines-to-virtualbox
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typedef void (*funcptr)(char *, int)