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• mysql configuration problem Error ERROR 2002 (HY000): Can't connect to local MySQL server through so

  - by manugupt1

  I recently installed OpenSuse11.1 and tried configuring mysql with it however after installation I was not even able to start it off I got the following error ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2) As suggested in one of the forums I enabled the skip-networking option in /etc/my.cnf which did not help I also tried binding it to the address using bind-address = 127.0.0.1 in the same /etc/my.cnf Please help me what to do......

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• help with visudo

  - by manugupt1

  I was trying to make shutdown without root user using visudo I tried the following still it did not work for me hawk ALL=NOPASSWD:/sbin/shutdown -h now

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• Resources for latex beamer

  - by manugupt1

  I am learning latex right now as a hobby and was working on beamer classes. What I would like to know is how to create your own themes for beamer. Can you please point out some good resources which would help me do it..I googled but could not really find some

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• Freetts problem in Java

  - by manugupt1

  I am trying to run a program using freetts. I am able to compile the program however I am not able to use kevin or mbrola voices I get the follwing o/p msgs at the end System property "mbrola.base" is undefined. Will not use MBROLA voices. LINE UNAVAILABLE: Format is pcm_signed 16000.0 Hz 16 bits 1 channel big endian

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• Codechef practice question help needed - find trailing zeros in a factorial

  - by manugupt1

  I have been working on this for 24 hours now, trying to optimize it. The question is how to find the number of trailing zeroes in factorial of a number in range of 10000000 and 10 million test cases in about 8 secs. The code is as follows: #include<iostream> using namespace std; int count5(int a){ int b=0; for(int i=a;i>0;i=i/5){ if(i%15625==0){ b=b+6; i=i/15625; } if(i%3125==0){ b=b+5; i=i/3125; } if(i%625==0){ b=b+4; i=i/625; } if(i%125==0){ b=b+3; i=i/125; } if(i%25==0){ b=b+2; i=i/25; } if(i%5==0){ b++; } else break; } return b; } int main(){ int l; int n=0; cin>>l; //no of test cases taken as input int *T = new int[l]; for(int i=0;i<l;i++) cin>>T[i]; //nos taken as input for the same no of test cases for(int i=0;i<l;i++){ n=0; for(int j=5;j<=T[i];j=j+5){ n+=count5(j); //no of trailing zeroes calculted } cout<<n<<endl; //no for each trialing zero printed } delete []T; } Please help me by suggesting a new approach, or suggesting some modifications to this one.

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• Is the set of data always normalized in one form or the other in Databases

  - by manugupt1

  Suppose I have a set of data, given the data and the relation schemas can I assume that the set of data is normalized in one form or the other. In my opinion raw data given, has to be normalized into some form. However a discussion with a friend has led to ask me this question here. To expound more on the question, I would say given a set of functional dependencies for a relation or table, is it guaranteed that the table would atleast be in 1NF if not others

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• An array problem in C++

  - by manugupt1

  To access the array indice at the xth position we can use some sort of illustration as shown below #include<iostream> using namespace std; int main(){ float i[20]; for(int j=0;j<=20;j++) i[j]=0; } However the following piece of code does not work #include<iostream> using namespace std; float oldrand[55]; int jrand; void advance_random(){ int j1; float new_random; for(j1=0;j1<=23;j1++){ int temp = j1+30; new_random = (oldrand[j1]) - (oldrand[temp]); if(new_random <0.0) new_random = new_random+1; oldrand[j1] = new_random; } for(j1=24;j1<=54;j1++){ new_random[j1] = oldrand[j1] - oldrand[j1-23]; if(new_random[j1]<0.0) new_random[j1] = new_random + 1; oldrand[j1]=new_random; } } I recieve the following error ga.cpp:20: error: invalid types ‘float[int]’ for array subscript ga.cpp:21: error: invalid types ‘float[int]’ for array subscript ga.cpp:22: error: invalid types ‘float[int]’ for array subscript I am not able to find a mistake in my code please help me

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