- What is Blockchain? Concept and fundamental overview of NEO Blockchain.
- Basic idea of cryptography used in NEO blockchain. Private key, public key, WIF.
- What type of applications that can use blockchain? Real-world applications.
- Story & Architecture of the application we are going to build.
- User Experience. UI/UX. Design.
- Tools and Frameworks you can use today
- Setting up a development environment. Private net, IDE, Compiler.
- Start building. Smart contract, backend ,frontend.
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//picker is ABPeoplePickerNavigationController | |
[self presentModalViewController:picker animated:YES]; | |
UIButton* backButton= [[UIButton alloc]initWithFrame:CGRectMake(9, 25, 35, 35)]; | |
[backButton setImage:[UIImage imageNamed:@"btnBack.png"] forState:UIControlStateNormal]; | |
[backButton addTarget:picker.topViewController.navigationItem.rightBarButtonItem.target action:picker.topViewController.navigationItem.rightBarButtonItem.action forControlEvents:UIControlEventTouchUpInside]; | |
[picker.navigationBar.superview addSubview:backButton]; | |
//or you can use leftBarButtonItem instead of UIButton | |
//picker.topViewController.navigationItem.leftBarButtonItem= [[UIBarButtonItem alloc]initWithCustomView:backButton]; | |
picker.topViewController.navigationItem.rightBarButtonItem=nil; |
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[self.navigationController.navigationBar.subviews enumerateObjectsUsingBlock:^(id obj, NSUInteger idx, BOOL *stop) { | |
if ([obj isKindOfClass:NSClassFromString(@"_UINavigationBarBackground")]){ | |
UIView* v = obj; | |
[[v.subviews objectAtIndex:1] removeFromSuperview]; | |
*stop=YES; | |
} | |
}]; |
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UIColor* rgba(CGFloat r,CGFloat g,CGFloat b,CGFloat a){ | |
return [UIColor colorWithRed:r/255.0 green:g/255.0 blue:b/255.0 alpha:a]; | |
} |
Create launch.sh
note: change the path to your neo-cli
#!/bin/sh
ps auxw | grep neo-cli | grep -v grep > /dev/null
if [ $? != 0 ]
then