Face ID projects 30k infrared dots in a users face and captures the resulting image with an infrared camera. This allows the device to calculate a three dimensional representation of the face. The technology is similar to Microsoft’s Kinect .
Apple has an amazing demo app to visualize the capabilities of this technology. My mug in 3D with a computed panned angle of the front camera:
The most flawed country selection dropdown I came across for a while. Found on http://ryanair.com. Ignoring the decision using adjectives for countries (making keystrokes useless for selecting) I can find at least four semantical mistakes in the list.
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for file in *.wav; do lame -V2 "$file" "${file%.wav}".mp3; done |
Higher values of the -V* parameter will reduce the quality and decrease the file size of the mp3 files. Make sure lame is installed.
You sync your Calendar or Contacts on your iPhone with Google’s CalDAV and/or CardDAV. But enabling multi-factor authentication for your Google Account causes the synchronization to fail. Because you know, you cannot enter the second factor somewhere.
A simple fix to keep using the secure 2-factor authentication but have your data synchronized using password authentication, you can expose certain services using a password by setting up service-specific passwords in the settings of your Google Account.
Add the following config, e.g. to /etc/httpd/conf/httpd.conf:
LogLevel info authz_core:debug
then make sure to reload apache (service httpd reload) and you will find a detailed reason, why access to a resource is granted or not in the error log.
Want to initialize a UIColor object from a hex code?
Create a new Swift class named “UIColor+FromRGB.swift” with the following content:
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import UIKit extension UIColor { static func fromRGB(colorCode: String, alpha: Float = 1.0) -> UIColor { let scanner = NSScanner(string:colorCode) var color:UInt32 = 0; scanner.scanHexInt(&color) let mask = 0x000000FF let r = CGFloat(Float(Int(color >> 16) & mask)/255.0) let g = CGFloat(Float(Int(color >> 8) & mask)/255.0) let b = CGFloat(Float(Int(color) & mask)/255.0) return UIColor(red: r, green: g, blue: b, alpha: CGFloat(alpha)) } static func fromRGB(colorCode: UInt) -> UIColor { let mask = 0x000000FF let r = CGFloat(Float(Int(colorCode >> 16) & mask)/255.0) let g = CGFloat(Float(Int(colorCode >> 8) & mask)/255.0) let b = CGFloat(Float(Int(colorCode) & mask)/255.0) return UIColor(red: r, green: g, blue: b, alpha: CGFloat(1.0)) } } |
Initializing a UIColor object then is now a matter of a one-liner, e.g.:
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filter.backgroundColor = UIColor.fromRGB("00B997"); |
ec2-create-instance-export-task {instance id} -e vmware -f vmdk -c ova -b {bucket name}
Source: Exporting Amazon EC2 Instances – Amazon Elastic Compute Cloud
aws ec2 import-image --cli-input-json "{ \"Description\": \"Instance Name\", \"DiskContainers\": [ { \"Description\": \"First CLI task\", \"UserBucket\": { \"S3Bucket\": \"S2-BUCKET-NAME\", \"S3Key\" : \"FILENAME.ova\"}}]}"
sudo tcpdump -i any -s 65535 -w somefilename.pcapng
Creates a certificate which is valid for 10 years:
openssl req -nodes -x509 -newkey rsa:2048 -keyout key.pem -out cert.pem -days 3650
