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 // Get the storyboard named secondStoryBoard from the main bundle:
 UIStoryboard *secondStoryBoard = [UIStoryboard storyboardWithName:@"secondStoryBoard" bundle:nil];

 // Load the initial view controller from the storyboard.
 // Set this by selecting 'Is Initial View Controller' on the appropriate view controller in the storyboard.
 UIViewController *theInitialViewController = [secondStoryBoard instantiateInitialViewController];
 //
 // **OR**  
 //
 // Load the view controller with the identifier string myTabBar

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KEYS * type

FLUSHDB and FLUSHALL FLUSHDB deletes all keys in the current databases FLUSHALL deletes all keys in all databases clear redis database

redis-cli KEYS soulmate-* | xargs redis-cli DEL

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Get method

$ 

Post method

$ curl -H 'Content-Type: application/json' \
       -H 'Accept: application/json' \
 -X POST http://localhost:3000/users/sign_in \

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Install Package

$ sudo yum install postgresql-devel

Setting PostgresSQL

Initilize Database

$ sudo /etc/init.d/postgresql initdb

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Create Account

Create Account for Application

$ useradd -m -s /bin/bash deploy

Add write permission to sudoers

$ adduser deploy sudo

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Install Sudo

Update yum

$ yum update

Install Sudo

$ yum install sudo

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@implementation ArrayDataSource

- (id)itemAtIndexPath:(NSIndexPath*)indexPath {
    return items[(NSUInteger)indexPath.row];
}

- (NSInteger)tableView:(UITableView*)tableView 
 numberOfRowsInSection:(NSInteger)section {
    return items.count;
}

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XCode project codes without CocoaPods
find . \( -iname \*.m -o -iname \*.mm -o -iname \*.c -o -iname \*.cc -o -iname \*.h \)  \-not -path "./Pods/*" -exec wc -l '{}' \+


Sinatra project codes 
find . \( -iname \*.rb -o -iname \*.rake \) -exec wc -l '{}' \+

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layout proc { |controller| controller.request.xhr? ? nil : 'application' }

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NSTask * list = [[NSTask alloc] init];
[list setLaunchPath:@"/bin/ls"];
[list setCurrentDirectoryPath:@"/"];

NSPipe * out = [NSPipe pipe];
[list setStandardOutput:out];

[list launch];
[list waitUntilExit];
[list release];