engmsaleh

kubectl get services                # List all services 
kubectl get pods                    # List all pods
kubectl get nodes -w                # Watch nodes continuously
kubectl version                     # Get version information
kubectl cluster-info                # Get cluster information
kubectl config view                 # Get the configuration
kubectl describe node <node>        # Output information about a node
kubectl get pods                         # List the current pods
kubectl describe pod <name>              # Describe pod <name>
kubectl get rc                           # List the replication controllers

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How to setup Let's Encrypt for Nginx on Ubuntu 18.04 (including IPv6, HTTP/2 and A+ SLL rating)

---

Virtual hosts

Let's say you want to host domains first.com and second.com.

Create folders for their files:

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$ aws configure --profile account1

// To use the profile
$ aws s3 ls --profile account2

// To set the default profile
$ export AWS_DEFAULT_PROFILE=account1 

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@interface UIButton (VerticalLayout)  

- (void)centerVerticallyWithPadding:(float)padding;  
- (void)centerVertically;  

@end  

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//
//  CEButton.h
//
//  Created by Cemal Eker on 11/12/13. (2013-11-12)
//  Mofidied by Oliver Dowling on 2014-04-28.
//

#import <UIKit/UIKit.h>

@interface CEButton : UIButton

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    if ([self.shareFooterToolBar respondsToSelector:@selector(setBackgroundImage:forToolbarPosition:barMetrics:)]) {
        [self.shareFooterToolBar setBackgroundImage:[UIImage new] forToolbarPosition:UIToolbarPositionAny barMetrics:UIBarMetricsDefault];
    }
    if ([self.shareFooterToolBar respondsToSelector:@selector(setShadowImage:forToolbarPosition:)]) {
        [self.shareFooterToolBar setShadowImage:[UIImage new] forToolbarPosition:UIToolbarPositionAny];
    }

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    // Source http://mikethinkingoutloud.com/color-a-uiimage/
    // init the image using imageWithRenderingMode set to AlwaysTemplate
    UIImage *image = [[UIImage imageNamed:@"checkmark"]
                      imageWithRenderingMode:UIImageRenderingModeAlwaysTemplate];
 
    // put UIImage in a UIImageView and adjust color with tintColor
    UIImageView *imageView = [[UIImageView alloc]initWithImage:image];
    imageView.tintColor = [UIColor redColor];

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Generate the list yourself:

$ cd /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS*.sdk/System/Library/Frameworks/UIKit.framework/Headers
$ grep -H UI_APPEARANCE_SELECTOR ./* | sed 's/ __OSX_AVAILABLE_STARTING(__MAC_NA,__IPHONE_5_0) UI_APPEARANCE_SELECTOR;//'

---

UIActivityIndicatorView

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expr (void)NSLog(@"indexPath row: %ld", (long int)[indexPath row])

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- (UIImage*)image:(UIImage*)image withText:(NSString*)text
{
    CGRect rect = CGRectMake(0, 0, image.size.width, image.size.height);
    UIGraphicsBeginImageContextWithOptions(rect.size, NO, 0);
    [image drawInRect:rect];
    
    /// Make a copy of the default paragraph style
    NSMutableParagraphStyle *paragraphStyle = [[NSParagraphStyle defaultParagraphStyle] mutableCopy];
    /// Set line break mode
    paragraphStyle.lineBreakMode = NSLineBreakByTruncatingTail;