René's URL Explorer Experiment


Title: Programming-iOS-Book-Examples/bk1ch03p104optionals2 at master · codeman7/Programming-iOS-Book-Examples · GitHub

Open Graph Title: Programming-iOS-Book-Examples/bk1ch03p104optionals2 at master · codeman7/Programming-iOS-Book-Examples

X Title: Programming-iOS-Book-Examples/bk1ch03p104optionals2 at master · codeman7/Programming-iOS-Book-Examples

Description: Downloadable code examples for my books, "iOS 10 Programming Fundamentals With Swift" (bk1) and "Programming iOS 10" (bk2). - Programming-iOS-Book-Examples/bk1ch03p104optionals2 at master · codeman7/Programming-iOS-Book-Examples

Open Graph Description: Downloadable code examples for my books, "iOS 10 Programming Fundamentals With Swift" (bk1) and "Programming iOS 10" (bk2). - codeman7/Programming-iOS-Book-Examples

X Description: Downloadable code examples for my books, "iOS 10 Programming Fundamentals With Swift" (bk1) and "Programming iOS 10" (bk2). - codeman7/Programming-iOS-Book-Examples

Opengraph URL: https://github.com/codeman7/Programming-iOS-Book-Examples/tree/master/bk1ch03p104optionals2

X: @github

direct link

Domain: github.com

route-pattern/:user_id/:repository/tree/*name(/*path)
route-controllerfiles
route-actiondisambiguate
fetch-noncev2:2d94c3f5-e8b9-4fb6-6bc8-ee7880425dd2
current-catalog-service-hashf3abb0cc802f3d7b95fc8762b94bdcb13bf39634c40c357301c4aa1d67a256fb
request-idC7D2:298EBF:2CB7ED5:3B9ECF3:6A651D2D
html-safe-nonce2ff96edf217d60ed74cc14374287bf8c6f85f899f191c307414fe51639764a9a
visitor-payloadeyJyZWZlcnJlciI6IiIsInJlcXVlc3RfaWQiOiJDN0QyOjI5OEVCRjoyQ0I3RUQ1OjNCOUVDRjM6NkE2NTFEMkQiLCJ2aXNpdG9yX2lkIjoiNTc5MzQyMTM1MjMwNjU0ODAxMyIsInJlZ2lvbl9lZGdlIjoiaWFkIiwicmVnaW9uX3JlbmRlciI6ImlhZCJ9
visitor-hmac050b6035aed18075cc0a7735d8f35ce2609d77af865dbc4250238b25895449ad
hovercard-subject-tagrepository:68611065
github-keyboard-shortcutsrepository,source-code,file-tree,copilot
google-site-verificationApib7-x98H0j5cPqHWwSMm6dNU4GmODRoqxLiDzdx9I
octolytics-urlhttps://collector.github.com/github/collect
analytics-location///files/disambiguate
fb:app_id1401488693436528
apple-itunes-appapp-id=1477376905, app-argument=https://github.com/codeman7/Programming-iOS-Book-Examples/tree/master/bk1ch03p104optionals2
twitter:imagehttps://opengraph.githubassets.com/56980e5d59cea9ae6436b426f4b1d4cb5efe9a748c2bf5394aed970cb5bcace8/codeman7/Programming-iOS-Book-Examples
twitter:cardsummary_large_image
og:imagehttps://opengraph.githubassets.com/56980e5d59cea9ae6436b426f4b1d4cb5efe9a748c2bf5394aed970cb5bcace8/codeman7/Programming-iOS-Book-Examples
og:image:altDownloadable code examples for my books, "iOS 10 Programming Fundamentals With Swift" (bk1) and "Programming iOS 10" (bk2). - codeman7/Programming-iOS-Book-Examples
og:image:width1200
og:image:height600
og:site_nameGitHub
og:typeobject
hostnamegithub.com
expected-hostnamegithub.com
None52c76df668885aaff23b50bdca1fa1ea44ac9c1553e888ebc70ff1e4daa4625b
turbo-cache-controlno-cache
go-importgithub.com/codeman7/Programming-iOS-Book-Examples git https://github.com/codeman7/Programming-iOS-Book-Examples.git
octolytics-dimension-user_id7131294
octolytics-dimension-user_logincodeman7
octolytics-dimension-repository_id68611065
octolytics-dimension-repository_nwocodeman7/Programming-iOS-Book-Examples
octolytics-dimension-repository_publictrue
octolytics-dimension-repository_is_forktrue
octolytics-dimension-repository_parent_id1868743
octolytics-dimension-repository_parent_nwomattneub/Programming-iOS-Book-Examples
octolytics-dimension-repository_network_root_id1868743
octolytics-dimension-repository_network_root_nwomattneub/Programming-iOS-Book-Examples
turbo-body-classeslogged-out env-production page-responsive
disable-turbofalse
browser-stats-urlhttps://api.github.com/_private/browser/stats
browser-errors-urlhttps://api.github.com/_private/browser/errors
release309153364422b3c499922d1a2a6404910a58ed8e
ui-targetfull
theme-color#1e2327
color-schemelight dark

Links:

Skip to contenthttps://github.com/codeman7/Programming-iOS-Book-Examples/tree/master/bk1ch03p104optionals2#start-of-content
https://github.com/
Sign in https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fcodeman7%2FProgramming-iOS-Book-Examples%2Ftree%2Fmaster%2Fbk1ch03p104optionals2
GitHub CopilotWrite better code with AIhttps://github.com/features/copilot
GitHub Copilot appDirect agents from issue to mergehttps://github.com/features/ai/github-app
MCP RegistryNewIntegrate external toolshttps://github.com/mcp
ActionsAutomate any workflowhttps://github.com/features/actions
CodespacesInstant dev environmentshttps://github.com/features/codespaces
IssuesPlan and track workhttps://github.com/features/issues
Code ReviewManage code changeshttps://github.com/features/code-review
Code QualityEnforce quality at mergehttps://github.com/features/code-quality
GitHub Advanced SecurityFind and fix vulnerabilitieshttps://github.com/security/advanced-security
Code securitySecure your code as you buildhttps://github.com/security/advanced-security/code-security
Secret protectionStop leaks before they starthttps://github.com/security/advanced-security/secret-protection
Why GitHubhttps://github.com/why-github
Documentationhttps://docs.github.com
Bloghttps://github.blog
Changeloghttps://github.blog/changelog
Marketplacehttps://github.com/marketplace
View all featureshttps://github.com/features
Enterpriseshttps://github.com/enterprise
Small and medium teamshttps://github.com/team
Startupshttps://github.com/enterprise/startups
Nonprofitshttps://github.com/solutions/industry/nonprofits
App Modernizationhttps://github.com/solutions/use-case/app-modernization
DevSecOpshttps://github.com/solutions/use-case/devsecops
DevOpshttps://github.com/solutions/use-case/devops
CI/CDhttps://github.com/solutions/use-case/ci-cd
View all use caseshttps://github.com/solutions/use-case
Healthcarehttps://github.com/solutions/industry/healthcare
Financial serviceshttps://github.com/solutions/industry/financial-services
Manufacturinghttps://github.com/solutions/industry/manufacturing
Governmenthttps://github.com/solutions/industry/government
View all industrieshttps://github.com/solutions/industry
View all solutionshttps://github.com/solutions
AIhttps://github.com/resources/articles?topic=ai
Software Developmenthttps://github.com/resources/articles?topic=software-development
DevOpshttps://github.com/resources/articles?topic=devops
Securityhttps://github.com/resources/articles?topic=security
View all topicshttps://github.com/resources/articles
Customer storieshttps://github.com/customer-stories
Events & webinarshttps://github.com/resources/events
Ebooks & reportshttps://github.com/resources/whitepapers
Business insightshttps://github.com/solutions/executive-insights
GitHub Skillshttps://skills.github.com
Documentationhttps://docs.github.com
Customer supporthttps://support.github.com
Community forumhttps://github.com/orgs/community/discussions
Trust centerhttps://github.com/trust-center
Partnershttps://github.com/partners
View all resourceshttps://github.com/resources
GitHub SponsorsFund open source developershttps://github.com/open-source/sponsors
Security Labhttps://securitylab.github.com
Maintainer Communityhttps://maintainers.github.com
Acceleratorhttps://github.com/open-source/accelerator
GitHub Starshttps://stars.github.com
Archive Programhttps://archiveprogram.github.com
Topicshttps://github.com/topics
Trendinghttps://github.com/trending
Collectionshttps://github.com/collections
Enterprise platformAI-powered developer platformhttps://github.com/enterprise
GitHub Advanced SecurityEnterprise-grade security featureshttps://github.com/security/advanced-security
Copilot for BusinessEnterprise-grade AI featureshttps://github.com/features/copilot/copilot-business
Premium SupportEnterprise-grade 24/7 supporthttps://github.com/enterprise/premium-support
Pricinghttps://github.com/pricing
Search syntax tipshttps://docs.github.com/search-github/github-code-search/understanding-github-code-search-syntax
documentationhttps://docs.github.com/search-github/github-code-search/understanding-github-code-search-syntax
Sign in https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fcodeman7%2FProgramming-iOS-Book-Examples%2Ftree%2Fmaster%2Fbk1ch03p104optionals2
Sign up https://github.com/signup?ref_cta=Sign+up&ref_loc=header+logged+out&ref_page=%2F%3Cuser-name%3E%2F%3Crepo-name%3E%2Ffiles%2Fdisambiguate&source=header-repo&source_repo=codeman7%2FProgramming-iOS-Book-Examples
Reloadhttps://github.com/codeman7/Programming-iOS-Book-Examples/tree/master/bk1ch03p104optionals2
Reloadhttps://github.com/codeman7/Programming-iOS-Book-Examples/tree/master/bk1ch03p104optionals2
Reloadhttps://github.com/codeman7/Programming-iOS-Book-Examples/tree/master/bk1ch03p104optionals2
codeman7 https://github.com/codeman7
Programming-iOS-Book-Exampleshttps://github.com/codeman7/Programming-iOS-Book-Examples
mattneub/Programming-iOS-Book-Exampleshttps://github.com/mattneub/Programming-iOS-Book-Examples
Notifications https://github.com/login?return_to=%2Fcodeman7%2FProgramming-iOS-Book-Examples
Fork 0 https://github.com/login?return_to=%2Fcodeman7%2FProgramming-iOS-Book-Examples
Star 0 https://github.com/login?return_to=%2Fcodeman7%2FProgramming-iOS-Book-Examples
Code https://github.com/codeman7/Programming-iOS-Book-Examples
Pull requests 0 https://github.com/codeman7/Programming-iOS-Book-Examples/pulls
Actions https://github.com/codeman7/Programming-iOS-Book-Examples/actions
Projects https://github.com/codeman7/Programming-iOS-Book-Examples/projects
Security and quality 0 https://github.com/codeman7/Programming-iOS-Book-Examples/security
Insights https://github.com/codeman7/Programming-iOS-Book-Examples/pulse
Code https://github.com/codeman7/Programming-iOS-Book-Examples
Pull requests https://github.com/codeman7/Programming-iOS-Book-Examples/pulls
Actions https://github.com/codeman7/Programming-iOS-Book-Examples/actions
Projects https://github.com/codeman7/Programming-iOS-Book-Examples/projects
Security and quality https://github.com/codeman7/Programming-iOS-Book-Examples/security
Insights https://github.com/codeman7/Programming-iOS-Book-Examples/pulse
https://github.com/codeman7/Programming-iOS-Book-Examples
Programming-iOS-Book-Exampleshttps://github.com/codeman7/Programming-iOS-Book-Examples/tree/master
Historyhttps://github.com/codeman7/Programming-iOS-Book-Examples/commits/master/bk1ch03p104optionals2
https://github.com/codeman7/Programming-iOS-Book-Examples/commits/master/bk1ch03p104optionals2
Programming-iOS-Book-Exampleshttps://github.com/codeman7/Programming-iOS-Book-Examples/tree/master
..https://github.com/codeman7/Programming-iOS-Book-Examples/tree/master
bk1ch03p104optionals2.xcodeprojhttps://github.com/codeman7/Programming-iOS-Book-Examples/tree/master/bk1ch03p104optionals2/bk1ch03p104optionals2.xcodeproj
bk1ch03p104optionals2.xcodeprojhttps://github.com/codeman7/Programming-iOS-Book-Examples/tree/master/bk1ch03p104optionals2/bk1ch03p104optionals2.xcodeproj
bk1ch03p104optionals2https://github.com/codeman7/Programming-iOS-Book-Examples/tree/master/bk1ch03p104optionals2/bk1ch03p104optionals2
bk1ch03p104optionals2https://github.com/codeman7/Programming-iOS-Book-Examples/tree/master/bk1ch03p104optionals2/bk1ch03p104optionals2
https://github.com
Termshttps://docs.github.com/site-policy/github-terms/github-terms-of-service
Privacyhttps://docs.github.com/site-policy/privacy-policies/github-privacy-statement
Securityhttps://github.com/security
Statushttps://www.githubstatus.com/
Communityhttps://github.community/
Docshttps://docs.github.com/
Contacthttps://support.github.com?tags=dotcom-footer

Viewport: width=device-width

URLs of crawlers that visited me.