Why doesn't Linux IPSec implementation support fragmentation before encryption?
To complete the circle (and hopefully help someone who may be looking for a similar solution), we solved our problem by making use of libnetfilter_queue. The challenge we had was, we did not have access to source code of the application, else we could have done the fragmentation at the application level itself. Here's the relevant excerpt from our internal document prepared by Sriram Dharwadkar, w
Curl retry mechanism
I have a script I run to deploy two web services and a front-end application. The script calls a method that checks to see if the two back-end services are up and running. If so, deem the deploy successful, otherwise revert. The two services sometimes take longer than the front-end to start up. Currently, I put in a sleep call to delay the web service check. This allows them time to start up. I wa
What's the point of the X-Requested-With header?
A good reason is for security - this can prevent CSRF attacks because this header cannot be added to the AJAX request cross domain without the consent of the server via CORS. Only the following headers are allowed across origins: Accept Accept-Language Content-Language Last-Event-ID Content-Type any others cause a "pre-flight" request to be issued in CORS supported browsers. Without CORS it is not
Compression formats with good support for random access within archives?
This is similar to a previous question, but the answers there don't satisfy my needs and my question is slightly different: I currently use gzip compression for some very large files which contain sorted data. When the files are not compressed, binary search is a handy and efficient way to support seeking to a location in the sorted data. But when the files are compressed, things get tricky. I rec
How to use Bootstrap 3 grid system with table component?
I have started a migration to grid system using Bootstrap 3, but the examples in the documentation are all using DIVs: http://getbootstrap.com/css/#grid I made a somewhat redundant code that mixes the DIV classes with TABLE tags/classes: http://getbootstrap.com/css/#tables The problem is that the layout dobles the borders and I think the should be a better way of doing that. Any recommendations on
Passing unique_ptr to functions
I'm trying to "modernize" some existing code. I have a class which currently has a member variable "Device* device_". It uses new to create an instance in some initialization code and has a "delete device_" in the destructory. Member functions of this class call many other functions that take a Device* as a parameter. This works well, but to "modernize" my code I thought I ought to change the vari
How to Write OS X Finder plugin
The Finder Icon Overlay example project represents a small and very basic but actually working example of the answer below. https://github.com/lesnie/Finder-Icon-Overlay I know this is so old, but some may be still interested in topic (?) Here is what I have it done under Leopard (10.6). At first proper Finder's headers are needed. Use class-dump tool to get it. Then write your code as a SIMBL plu
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