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OK, I didn't have one day in my 5 years work experience. Should I cry about that?

Holiday is for everyone, right? Vacation just for yourself, I mean you can choose when to take a vacation, but you can't decide which day is holiday, am I right? It's not up to you.

I noticed that "PRC". You mean People Republic Of China? I am chinese and I know company will pay your vacation if you didn't use it. But those buying and selling things, I don't know, never heard of...

as Perderabo said, unix is case sensitive, so value1 and Value1 are totally different variable.
and you have to make sure $Value1 and $Value2 are legal numbers before you use them, or bc will fail.

as error saying, "rm -f" can't remove a directory, so you need to use "rm -rf", but be careful with "rm -rf", it's a dangerous command.

you can try the command directly, it works fine, so if anything is wrong, it can be the command line.

I've tried this: find ./ -print | xargs chmod 777
it changes all directory and files under...

You also can achieve that by using bc

Result=`echo "$Value1 > $Value2" | bc`

if [ $Result -eq 1 ]
then
echo "value1 is greater"
fi

restart the computer, and problem solved!
I have no idea ...

I can open my so file successfully by calling dlopen directly in my main function. But if I fork a child process, and call dlopen in child process, it failed!
I don't know why. Following is my code:...

Thank u so much. By the way, I am a c programmer.

I am not a native English speaker. I wanna improve my English. But I am kind of lazy, so I decide to pratice my English by reading English novel. I'd like read books about magic or superman and so...

you are right, JNI is what i am looking for, thanks!!

I think i am in trouble. I have to invoking a bunch of functions(such as encrypt, digital sign) from a java file(.jar), but I have no idea how to do that, Is there any possiblity?