cp: cannot create regular file ' ': Permission denied

if u are facing the below message when u used copy command in unix ,   cp


cp: cannot create regular file '<some file name>  ': Permission denied


for example lets see


cp conneclog.ksh ./oms


u types above command and we got the above error message then try to give write permissions to target directory using chmod commnand like below




chmod 777 oms


then try the copy command


cp conneclog.ksh ./oms


if the success then ther only no message , file silectly copied to oms directory




note : to check the file file permissions u can type below command


ls -l  (this command)




:please let me know still any issue on this

how to get control on serialization process

interface which makes customezation of serialization is Externalizable .


which contains two methodes , which we need to override in the class where we implement the Externalizable , namely


public void writeExternal(ObjectOutput);


public void readExternal(ObjectInput);


for writing and reading the each type of data we  have methodes avliable in interfaces ObjectOutput and ObjectInput


for ObjectOutput, towrite


we have like  readUTF(by which we can write the data), readLong


(if any examples required please write me @ yagnam.ramesh@gmail.com
)

10 Best Interview Questions i faced, and answers for them

Question 1): Why have you been out of work so long, and how many others were laid off?


Meaning : What's wrong with you?
Best Answer: "I was an excellent employee who gave more than a day's work for a day's pay.






Question: If employed, how do you manage time for interviews?


Subtext: Are you short-changing your current employer?
Best Answer: "I'm taking personal time and only interview for positions that are a terrific match."


Question: How did you prepare for this interview?


Subtext: How much do you really care about this job?
Best Answer: "I very much want this job, and of course researched it starting with the company website."


Question: Do you know anyone who works for us?


Subtext: Who might be a good judge of your true character?
Best Answer: If you do know someone, only mention them by name if you're certain of their positive standing within the organization


Question: Where would you really like to work?


Subtext: Are you applying for every job in sight?
Best Answer: "This is where I want to work, and this job is what I want to do."


Question: What bugs you about coworkers or bosses?




Subtext: Are you impossible to work with?
Best Answer: "I can't recall anything in particular. I've been lucky to have good bosses who were knowledgeable and fair and past coworkers who were able, supportive and friendly."




Question: Can you describe how you solved a work or school problem?


Subtext: Can you think critically?
Best Answer: Highlight an instance that favorably reflects how your mind works and spotlights your skills and achievements. Example: How you solved time management issues in order to take on a special assignment or complicated project..






Question: Can you describe a work or school instance in which you messed up?


Subtext: Do you repeat the same mistakes over and over? Are you too self-important or unaware that you don't see your own failings? Are you so insecure or terrible that you will list out all of your personal flaws?
Best Answer: Briefly mention a single small, well-intentioned goof and follow up with an important lesson learned from the experience.


Question: How does this position compare with others you're applying for?


Subtext: Who else is interested, and what will it take to bring you on board?
Best Answer: "I respect the privacy of any organization where I interview. Have I found my destination here?"


Question: If you won the lottery, would you still work?


Subtext: Are you really a motivated and hard worker?
Best Answer: "While I'd be thrilled to win the lottery, I would still look for meaningful work because meeting challenges and achieving makes me happy."

how different SQL joins will work , simple explanation with diaghram