cozzin

@property CGFloat currentKeyboardHeight;
@property (weak, nonatomic) IBOutlet NSLayoutConstraint *btnBottomConstraint;

cozzin

package com.dotincorp.android.util;

import android.graphics.Bitmap;
import android.graphics.Color;
import android.os.AsyncTask;
import android.util.Log;

import com.google.zxing.BarcodeFormat;
import com.google.zxing.MultiFormatWriter;
import com.google.zxing.common.BitMatrix;

cozzin

- (void)application:(UIApplication *)application didReceiveLocalNotification:(UILocalNotification *)notification {
  // push received
}

cozzin

git init
git add .
git commit -m "First commit"
git remote add origin 원격_저장소_URL
git remote -v
git push -u origin master

cozzin

// https://teamtreehouse.com/community/i-dont-understand-get-and-get-set

protocol TestProtocol {
    var testVar: Int { get }
}

class TestClass: TestProtocol {
    var testVar: Int = 0
}

cozzin

# https://janikarhunen.fi/how-to-install-python-3-6-1-on-centos-7.html
# Install the necessary utilities

sudo yum update
sudo yum install yum-utils
sudo yum groupinstall development

sudo yum install https://centos7.iuscommunity.org/ius-release.rpm
sudo yum install python36u
sudo yum install python36u-pip

cozzin

extension UITableView {
   func reloadDataAndKeepOffset() {
       let offset = contentOffset
       reloadData()
       layoutIfNeeded()
       setContentOffset(offset, animated: false)
   }
}

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func formatByteCount(bytes: Int64) -> String {
    let byteCountFormatter = ByteCountFormatter()
    return byteCountFormatter.string(fromByteCount: bytes)
}

cozzin

@objc protocol AAA {
    
}

extension AAA {
    var aa: Int {
        return 0
    }
}