Linux
Linux is the name usually given to any Unix-like computer operating system that uses the Linux kernel.
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first,when data is too large,we can built muti-level index using b plus tree.
when data is not so large,we can use AVL tree.
when we use b minus tree, if the tree node is constitute by array...
something like this, I mean
echo 20191012 | awk '{a=substr($0,1,4); c=substr($0,7,2);b=substr($0,5,2); print(c "." b "." a )}'
There are a lot of difference between commands
./script.sh
and
. ./script.sh
?
My teacher sad, that it's two different commands. I'm surprised ...
Hello everyone,
I have a daemon that writes log of current time five time at location "/opt/NetSupport/NetSupportManager/file.log".
I want my daemon to launch a window at ubuntu login screen(this...
Hi all
I have an mpc8360e processor (has e300 core and QE) for our networking application. I have to use 1GB DRAM module in my board, but u-boot for powerpc is not supporting that. It is...
I have a C daemon that needs to restart itself after any configuration file changes on receiving a SIGHUP signal. Can anybody post some example code on how to do it?
The daemon is started by a...
Hey, total newb here. This is pretty much the last thing I wanted to do, but suggestions are cool.
I have decided I want to be able to gain access to places I am not supposed to in the...
Dear friends,
i decide to develop an ISP billing system.
i have a linux server that communicate with a cisco router.
how can i add user and config them with programming?
in advanced thank you...
Hello,
I have a PIC 18F4620.I add on the pic setup the serial port.
I have this module, who are connect on RS232 :
http://www.tigal.com/1365
My problem concerned the card :
I need help to know...
My guess is; you'd need to write a virtual device driver that makes the OS think you have a normal disk attached. The virtual driver would act like a bridge between the OS and a RAID layer. This RAID...
I find solution. I should compare each char with decimal number that peer to unicode. For example 0008 should be compare with 8 for detecting it or 007f should be compare with 127.
I want to read a file and process its content in a C99 program. The file have special chars such as 007f and some of them is controller chars.
This is a part of the file:
%' %' ''SFUTLNTVER...
Hi,
I unfortunately do not have time to put myself in C or browse all the forums dedicated to this programming ...
I need to translate this little bash function in C:
myfunc()
{
if...
app = glade_app_new ();
vbox = gtk_vbox_new (FALSE, 0);
gtk_container_add (GTK_CONTAINER (window), vbox);
.....................
.....................
}
So from the...
The c programming language by ritchie and kernighan. As far as C goes I don't think I've come across anything more helpful.
Another cool book i'd recommend are the "hacking : the art of...
hi,
i was wondering if anyone can help me implement software raid 5 in c.
i have this project to do and i don't know how to do this?can anyone just tell me the steps involved in this?Do we need to...
here is an example of BASH Substring Extraction
dateString=YYYYMMDD
# 0-based indexing.
year=${dateString:0:4} # YYYY
month=${dateString:4:2}...
http://publications.gbdirect.co.uk/c_book/
http://www.acm.uiuc.edu/webmonkeys/book/c_guide/
http://www.cppreference.com/wiki/c/start
what i need is a kind of "nattach" info for semaphores, like there is for shared memory when calling "ipcs" on console.
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