GO LANGUAGE AND MONGO DB HACK #2

Hack #2  : GO LANGUAGE AND MONGO DB

URL Shortener

I stated writing my new blog "weekforhack".

URL SHORTENER HACK #1 : URL shortener client.

C++ Using Namespace

Here is sample code to show the use namespace in C++.

#include<iostream>
 namespace ns1

{
 void print(){
 std::cout<<"namespace ns1"<<std::endl;
 }
}

 namespace ns2
 {
   void print(){
     std::cout<<"namespace ns2"<<std::endl;
   }
 }


 int main(){
   using namespace ns2;
   ns1::print();
   ns2::print();
   print();

   return 0;
 }

output :

namespace ns1
namespace ns2
namespace ns2

Similarly, using namespace std is defined as :

// iostream header file
namespace std
{
   ostream cout;
   istream  cin;
   // 
};

Json File parsing in IOS

NOTE : need some changes
json file (test.json)

{

"commands":[

                {"command" : "Home", "method":"homemethod",  "image" : "homemg" },

                {"command" : "Exit", "method":"exitmethod",  "image" : "exitimg" },

    ]

}

step 1 :

   reading file test.json

   NSString* path = [[NSBundle mainBundle] pathForResource:@"test"

                                                     ofType:@"json"];

    NSString* content = [NSString stringWithContentsOfFile:path

                                                  encoding:NSUTF8StringEncoding

                                                     error:NULL];

step 2 :

 nsstring to nsdata

NSData* data = [content dataUsingEncoding:NSUTF8StringEncoding];

step 3 :

dict from nsdata

NSMutableDictionary *dict=[NSJSONSerialization JSONObjectWithData:data

                                                       options:NSJSONReadingMutableContainers

                                                         error:&error];

step 4 :

  test 

for(NSDictionary *d in array){

        NSLog(@"---------------------------");

        NSLog(@" command -- %@",[d objectForKey:@"command"]);

        NSLog(@" method -- %@",[d objectForKey:@"method"]);

        NSLog(@" image -- %@",[d objectForKey:@"image"]);

        NSLog(@"---------------------------");        

    }

    

}

A good tutorial on GIT

I wanted to share a good link to understand working of git.
The following link explained the git in different way

http://www.sbf5.com/~cduan/technical/git/

I found a very good project to understand branching on github :
https://github.com/pcottle/learnGitBranching

Happy Coding.. :) B-)