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• Silverlight 4 IN Browser Socket

  - by Benny

  I need to use a TCP socket connecting to a port outside of 4502-4532 while running in browser. I know it is possible to do out of browser with allowing full access, but how can I do it inside the browser? I am connecting to an old Unix system so I would prefer not to host a web site hosting a clientaccesspolicy.xml file. Thanks in advance!

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• Extracting columns from text file using PowerShell

  - by atricapilla

  Hi, I have to extract columns from a text file explained in this post: http://stackoverflow.com/questions/2499746/extracting-columns-from-text-file-using-perl-similar-to-unix-cut but I have to do this also in a Windows Server 2008 which does not have Perl installed. How could I do this using PowerShell? Any ideas or resources? I'm PowerShell noob...

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• A Guide to Windows Hacking for Mac Users?

  - by Carlton Gibson

  I am a long-time Mac user looking to gain a decent understanding of Windows. I'm not really interested in the history except as it is still relevant to Windows 7. I'm competent with the Mac and UNIX/Linux environment. I'm live in C, Objective-C, Bash, Python, JavaScript, AppleScript and PHP. As such I want something that is introductory but not aimed at beginners. Can anyone recommend a decent book (or other resource) to get me started? TIA

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• Convert .jar to an OSX executable?

  - by Danny King

  Hello, I made a Java application which I would like to distribute on Windows, OSX and Linux without distributing a jar file. I used the great Windows exe wrapper http://launch4j.sourceforge.net/ to create an .exe file complete with my icon that won't scare Windows users. Are there similar wrappers that I can use for OSX/Unix? An important consideration is that I would like to have my own icon on the executable (especially for mac users). Thanks!

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• What is a good 64-bit NASM assembly reference?

  - by Xill

  I have been able to find plenty of 16 and 32-bit NASM assembly references like here, but the only thing I could find on 64-bit NASM was what was in the small section of the NASM manual here. Are there any good sites or books that would have a better explanation of 64-bit assembly (Windows or Linux/Unix) with some good code examples?

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• Finding Last Fired time using a Cron Expression in Java

  - by a-sak

  Is there a way in Java to find the "Last Fired Time" from a Cron Expression. E.g. If now = 25-Apr-2010 10pm, cron expression "0 15 10 ? * *" (quartz) should return me 25-Apr-2010 10:15am I do not care if we use standard cron expressions (like Unix and Quartz) or less popular ones if they can fetch me the correct "Last Fired Time"

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• hexdump confusion

  - by zedoo

  I am playing with the unix hexdump utility. My input file is UTF-8 encoded, containing a single character ñ, which is C3 B1 in hexadecimal UTF-8. hexdump test.txt 0000000 b1c3 0000002 Huh? This shows B1 C3 - the inverse of what I expected! Can someone explain? For getting the expected output I do: hexdump -C test.txt 00000000 c3 b1 |..| 00000002 I was thinking I understand encoding systems..

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• DOS command to Display result on console and redirect the output to a file

  - by Ammu

  How do I display and redirect output to a file. Suppose if I use dos command, dir test.txt ,this command will redirect output to file test.txt without displaying the results. how to write a command to display the output and redirect output to a file using DOS i.e., windows command prompt, not in UNIX/LINUX.

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• Setting windows powershell path variable

  - by Vasil

  So I've found out that setting the PATH environment variable affects only the old command prompt, powershell seems to have different environment settings. How do I change the environment variables for powershell (v1)? Note: I want to make my changes permanent, so I don't have to set it every time I run powershell. Does powershell have a profile file? Something like bash profile on unix?

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• Unit testing installation of services

  - by skiphoppy

  Our installer program is going to be installing a number of system services, under both Windows and UNIX, using JavaServiceWrapper. There will be a class responsible for creating JavaServiceWrapper config files, installing the services, etc. Can I have some suggestions on how to unit-test this class?

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• Find a free X11 display number

  - by James

  I have some unit tests that need an X11 display so I plan to start Xvfb before running them, but to start Xvfb I will need a free display number to connect it to. My best guess is to see what's free in /tmp/.X11-unix but I'm not sure how to handle the race if many tests try to start simultaneously. sshd must do this, does anyone know how?

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• Using HeapDumpOnOutOfMemoryError parameter for heap dump for JBoss

  - by EdC

  I was told I can add the -XX:+HeapDumpOnOutOfMemoryError parameter to my JVM start up options to my JBoss start up script to get a heap dump when we get an out of memory error in our application. I was wondering where this data gets dumped? Is it just to the console, or to some log file? If it's just to the console, what if I'm not logged into the unix server through the console? Thanks

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• Equivalent to GetTickCount() on Linux

  - by Matt Joiner

  I'm looking for an equivalent to GetTickCount() on Linux. Presently I am using Python's time.time() which presumably calls through to gettimeofday(). My concern is that the time returned (the unix epoch), may change erratically if the clock is messed with, such as by NTP. A simple process or system wall time, that only increases positively at a constant rate would suffice. Does any such time function in C or Python exist?

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• Passion to learn

  - by rajivpradeep

  Hi, I want to learn C , UNIX and LINUX, and more about embedded systems. Very much interested in them. Are there any online courses or websites which can guide me. And please suggest books to read in learning them. Thanks for your time.

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• Is appending to a file atomic with Windows/NTFS?

  - by Gkakk McJkakk

  If I'm writing a simple text log file from multiple processes, can they overwrite/corrupt each other's entries? (Basically, this question http://stackoverflow.com/questions/1154446/is-file-append-atomic-in-unix but for Windows/NTFS.)

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• When do I use the PHP constant "PHP_EOL"?

  - by Christian Oudard

  When is it a good idea to use PHP_EOL? I sometimes see this in code samples of PHP. Does this handle DOS/Mac/Unix endline issues? Most of the PHP I write is for generating HTML, and I use <br/> instead of actual newlines, so haven't used this constant before.

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• Iphone apps development.

  - by dicaprio

  I'm very keen to learn Iphone apps development. Can you experts give me some tips as to which programing tool I should learn? tools I should install [of course , I prefer free tools]?, operating system I need? [I only have windows xp and unix flavours on my Personal laptop]. Do I need to have Iphone to test my apps? [poor guy, I don't own a Iphone].

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• Trasnfer of dirctory structure on network

  - by singh

  Hi I am designing a remote CD/DVD burner to address hardware constraint on my Machine. My design work like that :(Analogous to network paper printer) Unix Based Machine (acts as server) hosts a burner. Windows based machine acts as client. Client prepare data to be burn and transfer it to server. Server burn the data on CD/DVD. My Question is : . Which is the best protocol to transfer data over network (Keeping same Directory hierarchy) between different OS

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• What's a good open-source debugger & memory analyzer for Windows?

  - by Luca Matteis

  In a Unix world I've been happily using gdb for debugging and valgrind for memory analyzation. Are there open-source quality alternatives for Windows? I'm looking for lightweight pieces of software that do what you need, and never get in your way (just like gdb and valgrind).

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• How to use cscope in Visual Studio?

  - by rahulthewall

  Hello all, I am working with Visual Studio (2008 edition) for the first time. Used to programming in a Unix environment, I have become quite used to cscope and vim. For my current project, I really need cscope. I was wondering if there is any way I could use cscope on Visual Studio - or use cscope in Windows. Or if there is another tool which does this job .. Thanks Rahul

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• Efficient copy of entire directory

  - by Hui Jin

  I want to copy one directory and the two files under it to another shared location of shared storage. Is it possible to combine the three(one directory and two files) as a continuous file writing and decompose it at another side to save the cost? I am limited to c language and Unix/Linux. I am considering to create a structure with the inode info and get the data at receiver. Thanks!

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• Linux Directory Access Problem: Permission Denied """In Root"""

  - by RBA

  Hi, When login through root on HP-tru Unix server, I am trying to access a directory, it is saying "Permission Denied".. Also, an sh file is also not able to execute through same root access.. I have checked the permission of the directory as well as for sh file through ls-ltr.. It is also fine.. Root System rwx-rwx-rwx-- What could be the possible cause, and how to correct it.. Thanks.

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• awk or sed: Best way to grab [this text]

  - by Parand

  I'm trying to parse various info from log files, some of which is placed within square brackets. For example: Tue, 06 Nov 2007 10:04:11 INFO processor:receive: [someuserid], [somemessage] msgtype=[T] What's an elegant way to grab 'someuserid' from these lines, using sed, awk, or other unix utility?

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• What is the difference between the various unistd.h under /usr/include in Linux ?

  - by Marwan

  Under the /usr/include directory in Linux i entered the command: find -type f -name unistd.h which gave the following output: ./unistd.h ./linux/unistd.h ./asm-generic/unistd.h ./bits/unistd.h ./asm/unistd.h ./sys/unistd.h my question is, what is the purpose of each unistd.h, since there is only one definiton of that file in the single unix specification ? Thanks in advance.

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• Converting InDesign Interchange Format INX to PNG

  - by Ghommey

  Hi, Is there any PHP library or unix command line tool to convert the XML-Based InDesign Interchange Format INX into pixel graphics like PNG?

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