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14152 discussions

doubt
by praveen shinde 05 Oct '01

05 Oct '01

Hello friends, Applying the right shift operator in c to a number and shifting it right by a single digit is equivalent to dividing that numer by 2.But if the number is negative then it is not equivalent.how come? please give me information about the books in which i can find an explaination. Thanks , Praveen.

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Comming LUG Meet...
by Dinesh Shah 05 Oct '01

05 Oct '01

Hi, Pls confirm the time and venue for the coming LUG meet on 7th Oct. TIA With regards, -- --Dinesh Shah :-) Shah Micro System dinesh(a)indiamail.com http://dineshah.tripod.com Mobile: 98213-11906

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Re: [ILUG-BOM] [OT] Porting Linux GCC code to windows
by Amish Mehta 05 Oct '01

05 Oct '01

Hi, I just found this by searching on yahoo for 'cygipc'. I am posting it just in case its useful for others. http://www.neuro.gatech.edu/users/cwilson/cygutils/V1.1/cygipc/ http://www.neuro.gatech.edu/users/cwilson/cygutils/ is the home for Cygutils. However I haven't yet checked it I am hopeful it works. Amish.

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[OT] Porting Linux GCC code to windows
by Amish Mehta 04 Oct '01

04 Oct '01

Hi, Is there a easy solution to port GCC code to windows? Can it be done in VC++ without much change in the code? I tried DJGPP, but its missing few API's(rather functions), like message queues etc. Anyone have an idea? Amish. P.S. lots of C related questions are being put up recently. Is it allowed here? ;-)

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Re: [ILUG-BOM] [OT] Porting Linux GCC code to windows
by Amish Mehta 04 Oct '01

04 Oct '01

Satya wrote: >Try cross-compiling with gcc. How? You mean gcc on Linux can make windows EXE? >>I tried DJGPP, but its missing few API's(rather functions), >>like message queues etc. > >Try Cygwin. Sorry I forgot to mention Cygwin. I checked it out too. But it doesnt support msg queues either. Or did I miss something? Or they are named differently? Anyway thanks a lot for help. Amish.

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Graphics libraries for C
by Suryaprakash Kompalli 04 Oct '01

04 Oct '01

Hello, Does anyone know what graphics libraries / X windows libraries we can to use if we want to do 2D graphics in C (under Linux/Unix). I cannot use OpenGL :(... Bye, Surya __ __ |__ |__| |/ __|urya |rakash |\ompalli Email - kompalli(a)cse.buffalo.edu Phone - Home - (716) 862 0366 Office - (716) 645 5084 x 19 Website - http://www.cse.buffalo.edu/~kompalli/

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Re: RE: [ILUG-BOM] transparent proxy
by Mahesh Gharat 03 Oct '01

03 Oct '01

Hi Shahazad, Sorry that I didn't replied promptly(..I was offline for three days). You have to enable routing on the server.(If you are using linuxconf for configuration then you can do it by checking the checkbox in the Routing/Gateways option). You really don't have to enable ip_forwarding. The dns of the win98 client will be the ip of your proxy server(If you are running nameserver on the same machine and if you are not then the dns ip's provided by your ISP will work fine.) So in any case the dns order will be the proxyserver IP followed by the IPs provided by the ISP. Reply back if have any relative problem. Mahesh Gharat mahesh_gharat(a)rediffmail.com On Fri, 28 Sep 2001 shahazad(a)linuxplanet.nu wrote : > Thanx for the info mahesh, > well i have coupla things more to clear up, > > [1] do i have to enable ip_forwaring in /proc > [2] what should be in the dns of the win98 client. > > thanx in advance > cheers~ > </shahazad>

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Re:Re: X bit depth adjustment
by Parul Mathur 03 Oct '01

03 Oct '01

On 1 Oct 2001, Philip Tellis wrote: >> (**) | |-->Device "Generic VGA compatible" >^^^^^^^^^^^^^^^^^^^^^^ >Which display card do you have? It is set to generic VGA here, which is >definitely not what you want. I'm afraid I don't know. Is there any utility that can auto-detect this for me? >In your /etc/X11/XF86Config-4 file, search for DefaultColorDepth, change >it from 16 to 8, and read the XF86Config man page. I changed from 16 to 8 the DefaultColorDepth as well as the ColorDepth for the corresponding Display subsection. However, I am still having problems. When I type "startx" at the command prompt, the monitor power light switches off and it behaves like it is on a power-saving mode. When I type Ctrl-Alt-1 to get back to the text mode, here is the output on the screen: ----------------------------------------------------- XFree86 Version 4.0.3 / X Window System (protocol Version 11, revision 0, vendor release 6400) Operating System: Linux 2.2.17-8smp i686 [ELF] Module Loader present (==) Log file: "/var/log/XFree86.0.log", Time: Tue Oct 2 20:17:07 2001 (==) Using config file: "/etc/X11/XF86Config-4" Markers: (--) probed, (**) from config file, (==) default setting, (++) from command line, (!!) notice, (II) informational, (WW) warning, (EE) error, (??) unknown. (==) ServerLayout "Anaconda Configured" (**) |-->Screen "Screen0" (0) (**) | |-->Monitor "Monitor0" (**) | |-->Device "Generic VGA compatible" <snip> (II) VGA: Generic VGA driver (version 4.0) for chipsets: generic (--) Chipset generic found (**) VGA(0): Depth 8, (--) framebuffer bpp 8 (==) VGA(0): RGB weight 666 (==) VGA(0): Default visual is PseudoColor (==) VGA(0): Using gamma correction (1.0, 1.0, 1.0) (==) VGA(0): videoRam: 64 kBytes. (II) Loading /usr/X11R6/lib/modules/libvgahw.a (II) Module vgahw: vendor="The XFree86 Project" compiled for 4.0.3, module version = 0.1.0 (==) VGA(0): Virtual size is 320x200 (pitch 320) (**) VGA(0): Built-in mode " 70.2 Hz (VScan) (==) VGA(0): DPI set to (75, 75) <Snip> X Error of failed request: 86 Major opcode of failed request: 51 (X_SetFontPath) Serial number of failed request: 9 Current serial number in output stream: 11 Xlib: extension "RENDER" missing on display ":0.0". _IceTransmkdir: Owner of /tmp/.ICE-unix should be set to root DCOPServer up and running. Xlib: extension "RENDER" missing on display ":0.0". Error while initializing the sound driver: device /dev/dsp can't be opened (Permission denied) Xlib: extension "RENDER" missing on display ":0.0". Xlib: extension "RENDER" missing on display ":0.0". Xlib: extension "RENDER" missing on display ":0.0". _IceTransmkdir: Owner of /tmp/.ICE-unix should be set to root QSocketNotifier: Multiple socket notifiers for same socket 6 and type read Xlib: extension "RENDER" missing on display ":0.0". Xlib: extension "RENDER" missing on display ":0.0". Xlib: extension "RENDER" missing on display ":0.0". Xlib: extension "RENDER" missing on display ":0.0". Xlib: extension "RENDER" missing on display ":0.0". Xlib: extension "RENDER" missing on display ":0.0". Xlib: extension "RENDER" missing on display ":0.0". Xlib: extension "RENDER" missing on display ":0.0". Xlib: extension "RENDER" missing on display ":0.0". ----------------------------------------------------- After the last message there is no further output and I have to press Ctrl-C to get back the command prompt. Is "RENDER" some sort of file that I need to download? Thanks. Parul Mathur

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Re: [ILUG-BOM] mail system queries
by Mayur Joshi 02 Oct '01

02 Oct '01

> HELO. > when i say...... > MAIL FROM:someone@some.other.domain > ....it responds that the sender's address should resolve.....what > does that mean??? > i thought because it sends mail ......it should accept all sender > addresses!!! > At the same time.....if i say > MAIL FROM:some_other_login_on_my_linuxbox@localhost > the mail is sent....even if "some_other_login_on_my_linuxbox" knows > nothing about it!!! When you give MAIL FROM: someone(a)some.other.domain, the domain some.other.domain should be resolved by your local DNS or the DNS of your ISP. When you use some_other_login_on_my_linuxbox@localhost, sendmail knows that its a valid domain. Regards, Mayur Joshi _________________________________________________________________ Get your FREE download of MSN Explorer at http://explorer.msn.com/intl.asp

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X bit depth adjustment
by Parul Mathur 01 Oct '01

01 Oct '01

I recently upgraded to the PCQ Linux 7.1 distribution. When I typed "startx" at the command line, the X server could not start. The errors recorded in the /var/log/XFree86.0.log are as follows: ----------- /var/log/XFree86.0.log ------------------- XFree86 Version 4.0.3 / X Window System (protocol Version 11, revision 0, vendor release 6400) Release Date: 16 March 2001 Operating System: Linux 2.2.17-8smp i686 [ELF] Module Loader present (==) Log file: "/var/log/XFree86.0.log", Time: Sun Sep 30 23:26:06 2001 (==) Using config file: "/etc/X11/XF86Config-4" Markers: (--) probed, (**) from config file, (==) default setting, (++) from command line, (!!) notice, (II) informational, (WW) warning, (EE) error, (??) unknown. (==) ServerLayout "Anaconda Configured" (**) |-->Screen "Screen0" (0) (**) | |-->Monitor "Monitor0" (**) | |-->Device "Generic VGA compatible" <snip> (**) RgbPath set to "/usr/X11R6/lib/X11/rgb" <snip> (II) Setting vga for screen 0. (EE) VGA(0): Given depth (16) is not supported by this driver. (II) UnloadModule: "vga" (EE) Screen(s) found, but none have a usable configuration. Fatal server error: no screens found ----------------------------------------------- I think the depth has to be adjusted to 8 instead of 16. How do I do this? Parul Mathur

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