Skip to main content

C/C++ map [primitive type]

void testMap()
{

    map mymap;
    map::iterator rit;

    mymap["x1"] = 100;
    mymap.insert(pair("y2",150));

    mymap["y2"] = 200;
    mymap["y2"] = 400; // this value will replace previous one.


    rit = mymap.find("xx");
    if ( rit !=mymap.end() ) // found id
    {
        rit->second= 11111; // change existing content
    }else // not found
    {

        mymap.insert( pair("xx",150)    );
    }
    // show content:
    for ( rit=mymap.begin() ; rit != mymap.end(); rit++ )
        cout << rit->first << " => " << rit->second << endl;

}

Comments

Post a Comment

Popular posts from this blog

MATLAB cross validation

// use built-in function samplesize = size( matrix , 1); c = cvpartition(samplesize,  'kfold' , k); % return the indexes on each fold ///// output in matlab console K-fold cross validation partition              N: 10    NumTestSets: 4      TrainSize: 8  7  7  8       TestSize: 2  3  3  2 ////////////////////// for i=1 : k    trainIdxs = find(training(c,i) ); %training(c,i);  // 1 means in train , 0 means in test    testInxs  = find(test(c,i)       ); % test(c,i);       // 1 means in test , 0 means in train    trainMatrix = matrix (  matrix(trainIdxs ), : );    testMatrix  = matrix (  matrix(testIdxs  ), : ); end //// now calculate performance %%  calculate performance of a partiti...
5 comments
Read more

R tutorial

Install R in linux ============ In CRAN home page, the latest version is not available. So, in fedora, Open the terminal yum list R  --> To check the latest available version of r yum install R --> install R version yum update R --> update current version to latest one 0 find help ============ ?exact topic name (  i.e.   ?mean ) 0.0 INSTALL 3rd party package  ==================== install.packages('mvtnorm' , dependencies = TRUE , lib='/home/alamt/myRlibrary/')   #  install new package BED file parsing (Always use read.delim it is the best) library(MASS) #library(ggplot2) dirRoot="D:/research/F5shortRNA/TestRIKEN/Rscripts/" dirData="D:/research/F5shortRNA/TestRIKEN/" setwd(dirRoot) getwd() myBed="test.bed" fnmBed=paste(dirData, myBed, sep="") # ccdsHh19.bed   tmp.bed ## Read bed use read.delim - it is the  best mybed=read.delim(fnmBed, header = FALSE, sep = "\t", quote = ...
Post a Comment
Read more

SLURM tutorial : Basic commands

Main website for learning SLRUM http://slurm.schedmd.com/tutorials.html Submit a job with name and outputfile name(This will overwrite the parameters in shell file header ) sbatch   -J   job1  -o   job1.out  --partition=batch    myscript.sh   Basic shell script for job #!/bin/sh # #SBATCH --job-name=testJob #SBATCH --time=01:00:00 #SBATCH --nodes=1 #SBATCH --ntasks=1 #SBATCH --partition=dragon-default # # Display all variables set by slurm env | grep "^SLURM" | sort # cd /projects/dragon/FANTOM5/processed_data_feature ## All my commands for job will go here date;time; mkdir t1 How to submit a batch job sbatch myscript.sh How to check the list of jobs of a user squeue -u user1 squeue -u user1 -l # it will show in details   How to check the whole history and status of a job   scontrol show job=JOBID   How to use one particular node in interactive mode. Useful when all...
1 comment
Read more