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  • Why Fragmentation is Done at IP why not for TCP/UDP.

    - by mahesh
    I am looking for the reason Why Fragmentation is Done at IP level but why not for TCP/UDP. Suppose say my frame looks like this |MAC|IP|TCP|Payload|FCS. the whole size if say for eg: 1600. PathMTU happens here, why fragmentation is implemented @ IP level is my question and why not implemented @ TCP/UDP level/code. Thank in advance.

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  • How can I run an external program from C and parse its output?

    - by Josh Matthews
    I've got a utility that outputs a list of files required by a game. How can I run that utility within a C program and grab its output so I can act on it within the same program? UPDATE: Good call on the lack of information. The utility spits out a series of strings, and this is supposed to be complete portable across Mac/Windows/Linux. Please note, I'm looking for a programmatic way to execute the utility and retain its output (which goes to stdout).

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  • 32-Bit Compiling in XCode

    - by user15386
    I was trying to get SDL to work on my mac but kept running into mysterious errors. After some googling, I realized that my issue was that SDL compiled in 32 bits, or was 32 bits, or something, and XCode was compiling my program in 64 bits. There were some solutions, as well, but all were very technical or required arcane knowledge which my novice brain did not comprehend. So, how can I either get a version of SDL that will work with a 64 bit compiler, or tell XCode to compile in 32 bits?

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  • Where does GoogleAppEngineLauncher keep the local log files?

    - by lenardgabor
    GoogleAppEngineLauncher can display the local log file of my app while it is running on my Mac during development. However, I can't change the font size there so I would like to use the tail command to watch the log file myself. It's a shame but I can't find the log files. They are not under /var/log/, ~/Library/Logs or /Library/Logs. Do you know where they are?

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  • Apache rails beta site access solution

    - by par
    I'm building an ror site and have been asked by to put a temporary access restriction on it. All that's needed is a general access restriction and common access info which can be emailed to invited beta users. The site is deployed on an apache server (on a mac) using passenger. I'm wondering what solutions there are?

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  • double click and select the path(including '/') in Terminal.app

    - by mash
    I'm using Terminal.app on Mac OS10.6.3, with gnu screen and zsh. What I want to do is, see pwd(or an URL) in Terminal.app and double click on it, and select the whole path, to copy and paste after that. But what I get now is a single directory name, because '/' is not treated as a word. I found that iTerm has a setting to change it(iTerm - Preferences - Mouse - Characters considered part of a word), but is there any way to do this on my environment?

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  • Eclipse properties panel error

    - by OXMO456
    Hi, Each time i launch the properties panel i get this error: Could not accept change: the currently displayed page contains invalid values. I have tried to use a fresh new workspace & a new install of eclipse without any result. I am on mac OS X. Any help wellcome

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  • What is the most popular generic collection data structure library for C?

    - by Tom Dalling
    I'm looking for a C library that provides generic collection data structures such as lists, associative arrays, sets, etc. The library should be stable and well tested. I'm basically looking for something better than the crappy C standard library. What C libraries fit this description? EDIT: I'd prefer that the library was cross-platform, but failing that, anything that works on Mac/Linux.

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  • iPhone: no way to draw on screen outside drawRect?

    - by Seva Alekseyev
    Is there a way to draw on the iPhone screen (on a UIView in a UIWindow) outside of that view's drawRect() method? If so, how do I obtain the graphics context? The graphics guide mentions class NSGraphicsContext, but the relevant chapter seems like a blind copy/paste from Mac OS X docs, and there's no such class in iPhone SDK.

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  • Ruby's to_s method question (from Axe book 2nd edition)

    - by prosseek
    According to the axe book (2nd edition), we can use to_s as follows. class Song def to_s "Song" end end song = Song.new() song.to_s But, it doesn't give me anything, in order to print something to the stdout, I should run def to_s p "Song" end Is there any change since the ruby 1.8.2 when the book was written for? My ruby version info is 1.8.7 for Mac. ruby 1.8.7 (2009-06-08 patchlevel 173) [universal-darwin10.0]

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  • iPhone to Android Market

    - by BahaiResearch.com
    (I am coming from an iPhone experience) When we create an iPhone app, Apple gives us a http URL that we can put on web pages that when clicked will open iTunes and give the user a chance to buy on their desktop. As Android has no "iTunes" Windows/Mac application on the desktop, what do I link to on my Web pages/email marketing so that users can go and buy the Android apps we are writing? Ian

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  • Built in python hash() function

    - by sm1
    Windows XP, Python 2.5: hash('http://stackoverflow.com') Result: 1934711907 Google App Engine (http://shell.appspot.com/): hash('http://stackoverflow.com') Result: -5768830964305142685 Why is that? How can I have a hash function which will give me same results across different platforms (Windows, Linux, Mac)?

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  • What does the following line of a bash script do?

    - by Bialecki
    Usually work in Windows, but trying to setup RabbitMQ on my Mac. Can someone let me know what the line below does? [ "x" = "x$RABBITMQ_NODE_IP_ADDRESS" ] && [ "x" != "x$NODE_IP_ADDRESS" ] && RABBITMQ_NODE_IP_ADDRESS=${NODE_IP_ADDRESS} Specifically, I'm curious about the [ "x" = "x$RAB..."] syntax.

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