Programming :: Difference Between Two Packages Of JDK
May 3, 2010
Ubuntu 10.04 lucid. sun-java6-jdk has been dropped from the Multiverse section of the Ubuntu archive. They recommend using openjdk-6 instead. Is there any difference between these 2 packages?
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Feb 22, 2010
On Debian repo I found virtualbox-ose packages there. What will be the difference in operation/function between their packages and the packages download on virtualbox.org website?
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Feb 22, 2010
On Fedora repo I found VirtualBox-ose packages there. What will be the difference in operation/function between their packages and the packages download on virtualbox.org website?
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Jun 8, 2009
Am seeing some packages with an extension .drpm. Are these similar to rpm? And whats the difference?
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Jul 8, 2011
Is there any difference between the packages in the repository, for ubuntu-XXX-server vs. ubuntu-XXX-desktop vs. kubuntu-XXX-desktop? Or are the different systems based just on what the default install from the ISOs is?
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Feb 4, 2011
Very often we get to hear Binary / Source when we talk about installing packages...From what I understand "Binary" refers to a natively packaged installation by a Distro wheras installation from Source would entail fetching the files, Compiling and then building the package. When we say "source" where do these codes reside? Is it diffferent for different distros or one common source like "sourceforge.net" or similar?! I know it sounds silly but what is the origin of the source codes??
One general remedy if a package is not found is to install from source... So , source would refer to a "tar.gz" or "bz2" archive present at some location like "[URL]". In some cases , id it possible that some packageas are not available in "Source". When I tried to build a package for a particular distro , I was told that some dependencies are not un the source ...What is the meaning of this? So do all distros maintain the codes in their official repositories?
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Aug 27, 2010
I am interested in learning 3D programming. The thing is, I would hate to put too much effort to learn something that doesn't have future and is dying. My favorite language at the time is Java. My goal is professional programming.
So I have several questions:
1. Should I learn JOGL or start learning C++ and do C++ openGL programming?
2. Is there a big difference between JOGL and C++ openGL programming?
3. Is it worth to learn openGL? Does it have a future?
4. Is it a big difference between openGL and directX coding?
5. If choosing Java, then JOGL or LWJGL?
Why and what is the main difference between them?
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Dec 27, 2008
I know it's a very silly question but could someone please explain the difference between "/bin/bash" & "/bin/sh" I was under the impression that both are same but following output on my Ubuntu 8.10 is making me raise my eyebrows.
Quote:
parag@station3:~$ ls -l /bin/bash ; ls -l /bin/sh
-rwxr-xr-x 1 root root 725136 2008-05-13 00:18 /bin/bash
lrwxrwxrwx 1 root root 4 2008-12-03 21:42 /bin/sh -> dash
parag@station3:~$
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Nov 1, 2010
I would like know know difference in ssh comman in solaris and linux, are they both same?
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Aug 12, 2010
But what is the difference between this...
Code:
my_fucnction () {
echo "Hello World"
}
Code:
function my_fucnction {
[Code]...
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Aug 15, 2010
I am not clear with difference between hexdump and objdump and coredump. I wrote a small program
Code:
main (){
int a=2;
int b=4;
int k=b/a;
int m=9;
[Code].....
Some of the above instructions such as 89 d0 should be present in hexdump. What exactly is the hexdump ,objdump and coredump and what is their importance?
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Nov 6, 2010
I have been spending time (starting yesterday) reverse-engineering GTK+ to get my programming skills up. I came across a struct in the headers (_GtkArg, which was then typedeffed into GtkArg) that includes a union in it that has pretty much the same properties as a struct. Then, there was a struct inside the union.
I'm confused. Just what is the difference between a union and a struct?
P.S. I am using GTK's native C programming language.
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Feb 1, 2011
difference between setup_irq and request_irq and if there is a difference is there a way to use request_irq instead of setup_irq in this module?
[URL]
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Jun 1, 2010
What is the difference between *ptr++ and (*ptr)++. In my opinion the terminology is all over the place so if you could give an example it would be better.
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Aug 22, 2010
I was going through some exercise given in my school. I have read the C book but I am not able to understand some part. That is static variable. What exactly is a static variable and what does it do? I saw in Linux Kernel Programming external and exported are also some thing. I am not getting the difference between static,EXPORT_SYMBOL,external variable types. If I make a kernel module then how will I make sure that my variable is visible to the kernel. Is this what it is all talking about? I have checked this page [URL].
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Dec 1, 2010
What's the difference between PHP echo() and PHP print(), especially in the execution time?
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Dec 27, 2009
Code:
find . -name *.txt
Code:
find . -name *.txt
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Dec 6, 2008
I am starting to learn Linux graphical programming. Most of codes in my hands were written based on xlib, which is a kind of old graphic lib. I see some developers more interested in openGL. Then what's the difference between xlib and openGL? And which one is more popular used in which industry area?
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May 16, 2011
__init() and module_init() - What's the difference
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Apr 10, 2010
Now, I'm ready to run my program, and my code is based on 32bit version. So I run the program on Ubuntu 9.10 32bit. And I got running time for 48s. But that's a bit slower than I expected; the program has bunch of File I/O processing but the result(48s) just doesn't make sense compared to given initial data set. So I just run the same program and same initial data set on Ubuntu 9.10 64bit ver. Then, bang!! it took 1.4s to finish the job.
Do you have any thoughts what kind of fact might make this significant difference? The differences b/w those two OS are "32 vs 64" and 32bit version has Java SDK, Eclipse, Apache2, Mysql, PHP, CGI, and python. We-server service is running but because I'm not really running web server. Did the result come from these background programs?
-- I tested it on the both OS in the same situation as possible as I can.
(reboot->test)
-- BTW 64bit one doesn't have those programs. I just installed on my external hard drive, so it's literary PURE one. (32bit one also in the same HDD)
-- I run these Ubuntus on VMware
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Sep 25, 2010
Whats the difference, and when do you use which?
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Sep 6, 2010
In our college all the systems (running on windows xp) have TURBO C/C++ installed on them which we use for C programming. I recently installed ubuntu 10.04 on me laptop (DELL Inspiron 14R (N4010) with some modifications) i read somewhere on the internet that Gedit can be used for writing a programme in ubuntu which can be compiled using gcc. Well if i use Gedit rather than Turbo c will i experience any differnce?, i mean is there any problem in doing so?? Or i should prefer running turbo c using DOS BOX?
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Apr 30, 2009
I searched around but I can't get a good handle on the difference between the following formats in BASH shell.
$VAR
$(VAR)
$((VAR))
$($VAR)
$(($VAR))
Can someone explain it, or point to a clear, concise document explaining it?
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Jan 24, 2011
I want to measure the time it takes to execute a C function. The question is which is the best method to record time. After a lot of searching online, I found two ways [URL]:
a. using clock_gettime(CLOCK_MONOTONIC, &t)
b. using TSC
I call the C function 50 times (recording the time it takes for each call). The average is found only for the last 35 calls.
Using (a), I get:
48345 us
28350 us
28379 us
27716 us
[code]....
Average time for the last 35 loops: 121450.47 microseconds
Using (b), I get:
48130 cycles
28726 cycles
28820 cycles
27421 cycles
[code]....
Average for the last 35 loops: 27236.66 cycles What could be causing the strange value of 3322259 us in method (a)? I could just use method (b) but I would like to know what is going on here... Btw, I am using a desktop - with Linux debian 2.6.26 #1 SMP.
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Jul 12, 2010
I have a project in which many processes run. p1,p2,p3.
->There are some .so files are included in some process when needed example ppp.so in process p1 (when ppp is needed and will go like a plugin) but it has a init () function how a process includes a init() function ?
->process p1 has main function i.e main()
->so evry process has main() right ?
what is the difference between init () and main () functoins. where is init () used and how many init() a process van have ?
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Mar 1, 2011
recently I had been to interview where I had a question to be answered, that what are advantages and disadvantages when desiging an application in linux.
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Mar 14, 2010
Further to solved LQ thread Bash: how to populate a list of arbitrarily named files?, what is the functional difference between feeding a loop with process substitution and feeding it with a here string with embedded command substitution? ABSG pages: process substitution, here string and command substitution. This works
Code:
while IFS= read -r -d '' file
do
files+=("$file")
done < <(find $dir -type f -print0)
[code]....
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Jul 28, 2010
I'm trying to calculate the minutes difference between two dates using the function mktime() on c++. The dates will be passed to me as struct tm, and I will use this function many many times. The example below shows what I wanna do:
Code:
int main(int argc, char** argv) {
while (1) {
tm date2;
tm date1;
[code]...
I read the mktime() description on c++ reference, searched google... but there is no light
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Mar 4, 2011
As i went through some tutorials found no difference in their meaning .. explain the difference in usage.
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Jan 2, 2010
I wonder what the roadmap of these packages will be. I mean, for a newbie, what would be the best approach to begin with gtk?
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