René's URL Explorer Experiment


Title: 第三章第7节「引用类型」:对“C语言未初始化的指针”描述问题 · Issue #29 · subaochen/java-tutorial · GitHub

Open Graph Title: 第三章第7节「引用类型」:对“C语言未初始化的指针”描述问题 · Issue #29 · subaochen/java-tutorial

X Title: 第三章第7节「引用类型」:对“C语言未初始化的指针”描述问题 · Issue #29 · subaochen/java-tutorial

Description: 原文: “ 这和C语言的指针含义完全一样:在C语言中,任何指针在初始化之前都是null指针,直接使用null指针是有风险的。” 问题: 未初始化之前是作为“野指针”存在,随机指向一块内存区域。 调整: 具体调整见diff。 *参考 各大型C语言书籍。 http://blog.csdn.net/zhaojinjia/article/details/8770989 https://lzw.me/a/yezhizhen.html http://blog.csdn.net/mh...

Open Graph Description: 原文: “ 这和C语言的指针含义完全一样:在C语言中,任何指针在初始化之前都是null指针,直接使用null指针是有风险的。” 问题: 未初始化之前是作为“野指针”存在,随机指向一块内存区域。 调整: 具体调整见diff。 *参考 各大型C语言书籍。 http://blog.csdn.net/zhaojinjia/article/details/8770989 https://lzw.me/...

X Description: 原文: “ 这和C语言的指针含义完全一样:在C语言中,任何指针在初始化之前都是null指针,直接使用null指针是有风险的。” 问题: 未初始化之前是作为“野指针”存在,随机指向一块内存区域。 调整: 具体调整见diff。 *参考 各大型C语言书籍。 http://blog.csdn.net/zhaojinjia/article/details/8770989 https://lzw.me/...

Opengraph URL: https://github.com/subaochen/java-tutorial/issues/29

X: @github

direct link

Domain: patch-diff.githubusercontent.com


Hey, it has json ld scripts:
{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"第三章第7节「引用类型」:对“C语言未初始化的指针”描述问题","articleBody":"原文:\r\n    “ 这和C语言的指针含义完全一样:在C语言中,任何指针在初始化之前都是null指针,直接使用null指针是有风险的。”\r\n\r\n问题:\r\n未初始化之前是作为“野指针”存在,随机指向一块内存区域。\r\n\r\n调整:\r\n具体调整见diff。\r\n\r\n*参考\r\n各大型C语言书籍。\r\nhttp://blog.csdn.net/zhaojinjia/article/details/8770989\r\nhttps://lzw.me/a/yezhizhen.html\r\nhttp://blog.csdn.net/mhjcumt/article/details/7351032","author":{"url":"https://github.com/timo1160139211","@type":"Person","name":"timo1160139211"},"datePublished":"2017-07-08T01:19:44.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":0},"url":"https://github.com/29/java-tutorial/issues/29"}

route-pattern/_view_fragments/issues/show/:user_id/:repository/:id/issue_layout(.:format)
route-controllervoltron_issues_fragments
route-actionissue_layout
fetch-noncev2:f771f574-edf6-d997-5274-582b31a56bd1
current-catalog-service-hash81bb79d38c15960b92d99bca9288a9108c7a47b18f2423d0f6438c5b7bcd2114
request-idC43E:287BC8:15DF36E:1DB20CA:69701204
html-safe-nonce40b914e9ff4fe29d47f35bcc7222b14cc37c7918670bae58afca120fa5f152d3
visitor-payloadeyJyZWZlcnJlciI6IiIsInJlcXVlc3RfaWQiOiJDNDNFOjI4N0JDODoxNURGMzZFOjFEQjIwQ0E6Njk3MDEyMDQiLCJ2aXNpdG9yX2lkIjoiMzMxMDUzNzExNTM3MTA0OTQ3NiIsInJlZ2lvbl9lZGdlIjoiaWFkIiwicmVnaW9uX3JlbmRlciI6ImlhZCJ9
visitor-hmace778e37f943d8172099c6f66e78f64466f54f4d45f8fbdb22bb6dd0e857ebfe4
hovercard-subject-tagissue:241414709
github-keyboard-shortcutsrepository,issues,copilot
google-site-verificationApib7-x98H0j5cPqHWwSMm6dNU4GmODRoqxLiDzdx9I
octolytics-urlhttps://collector.github.com/github/collect
analytics-location///voltron/issues_fragments/issue_layout
fb:app_id1401488693436528
apple-itunes-appapp-id=1477376905, app-argument=https://github.com/_view_fragments/issues/show/subaochen/java-tutorial/29/issue_layout
twitter:imagehttps://opengraph.githubassets.com/53a5cf32642c1dd8854c6e5c6c237a1235b9c9d008468ef92f2f67ea852e4da3/subaochen/java-tutorial/issues/29
twitter:cardsummary_large_image
og:imagehttps://opengraph.githubassets.com/53a5cf32642c1dd8854c6e5c6c237a1235b9c9d008468ef92f2f67ea852e4da3/subaochen/java-tutorial/issues/29
og:image:alt原文: “ 这和C语言的指针含义完全一样:在C语言中,任何指针在初始化之前都是null指针,直接使用null指针是有风险的。” 问题: 未初始化之前是作为“野指针”存在,随机指向一块内存区域。 调整: 具体调整见diff。 *参考 各大型C语言书籍。 http://blog.csdn.net/zhaojinjia/article/details/8770989 https://lzw.me/...
og:image:width1200
og:image:height600
og:site_nameGitHub
og:typeobject
og:author:usernametimo1160139211
hostnamegithub.com
expected-hostnamegithub.com
None043a09521e81f00c45482046b3f38390b8b292cf9a86ad665a632633a072c05c
turbo-cache-controlno-preview
go-importgithub.com/subaochen/java-tutorial git https://github.com/subaochen/java-tutorial.git
octolytics-dimension-user_id1390258
octolytics-dimension-user_loginsubaochen
octolytics-dimension-repository_id83374582
octolytics-dimension-repository_nwosubaochen/java-tutorial
octolytics-dimension-repository_publictrue
octolytics-dimension-repository_is_forkfalse
octolytics-dimension-repository_network_root_id83374582
octolytics-dimension-repository_network_root_nwosubaochen/java-tutorial
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
release98881eadf8ae73000970c42161c094b0809b1330
ui-targetfull
theme-color#1e2327
color-schemelight dark

Links:

Skip to contenthttps://patch-diff.githubusercontent.com/subaochen/java-tutorial/issues/29#start-of-content
https://patch-diff.githubusercontent.com/
Sign in https://patch-diff.githubusercontent.com/login?return_to=https%3A%2F%2Fgithub.com%2Fsubaochen%2Fjava-tutorial%2Fissues%2F29
GitHub CopilotWrite better code with AIhttps://github.com/features/copilot
GitHub SparkBuild and deploy intelligent appshttps://github.com/features/spark
GitHub ModelsManage and compare promptshttps://github.com/features/models
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
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
GitHub SponsorsFund open source developershttps://github.com/sponsors
Security Labhttps://securitylab.github.com
Maintainer Communityhttps://maintainers.github.com
Acceleratorhttps://github.com/accelerator
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/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://patch-diff.githubusercontent.com/login?return_to=https%3A%2F%2Fgithub.com%2Fsubaochen%2Fjava-tutorial%2Fissues%2F29
Sign up https://patch-diff.githubusercontent.com/signup?ref_cta=Sign+up&ref_loc=header+logged+out&ref_page=%2F%3Cuser-name%3E%2F%3Crepo-name%3E%2Fvoltron%2Fissues_fragments%2Fissue_layout&source=header-repo&source_repo=subaochen%2Fjava-tutorial
Reloadhttps://patch-diff.githubusercontent.com/subaochen/java-tutorial/issues/29
Reloadhttps://patch-diff.githubusercontent.com/subaochen/java-tutorial/issues/29
Reloadhttps://patch-diff.githubusercontent.com/subaochen/java-tutorial/issues/29
subaochen https://patch-diff.githubusercontent.com/subaochen
java-tutorialhttps://patch-diff.githubusercontent.com/subaochen/java-tutorial
Notifications https://patch-diff.githubusercontent.com/login?return_to=%2Fsubaochen%2Fjava-tutorial
Fork 13 https://patch-diff.githubusercontent.com/login?return_to=%2Fsubaochen%2Fjava-tutorial
Star 21 https://patch-diff.githubusercontent.com/login?return_to=%2Fsubaochen%2Fjava-tutorial
Code https://patch-diff.githubusercontent.com/subaochen/java-tutorial
Issues 13 https://patch-diff.githubusercontent.com/subaochen/java-tutorial/issues
Pull requests 0 https://patch-diff.githubusercontent.com/subaochen/java-tutorial/pulls
Actions https://patch-diff.githubusercontent.com/subaochen/java-tutorial/actions
Projects 0 https://patch-diff.githubusercontent.com/subaochen/java-tutorial/projects
Security Uh oh! There was an error while loading. Please reload this page. https://patch-diff.githubusercontent.com/subaochen/java-tutorial/security
Please reload this pagehttps://patch-diff.githubusercontent.com/subaochen/java-tutorial/issues/29
Insights https://patch-diff.githubusercontent.com/subaochen/java-tutorial/pulse
Code https://patch-diff.githubusercontent.com/subaochen/java-tutorial
Issues https://patch-diff.githubusercontent.com/subaochen/java-tutorial/issues
Pull requests https://patch-diff.githubusercontent.com/subaochen/java-tutorial/pulls
Actions https://patch-diff.githubusercontent.com/subaochen/java-tutorial/actions
Projects https://patch-diff.githubusercontent.com/subaochen/java-tutorial/projects
Security https://patch-diff.githubusercontent.com/subaochen/java-tutorial/security
Insights https://patch-diff.githubusercontent.com/subaochen/java-tutorial/pulse
New issuehttps://patch-diff.githubusercontent.com/login?return_to=https://github.com/subaochen/java-tutorial/issues/29
New issuehttps://patch-diff.githubusercontent.com/login?return_to=https://github.com/subaochen/java-tutorial/issues/29
第三章第7节「引用类型」:对“C语言未初始化的指针”描述问题https://patch-diff.githubusercontent.com/subaochen/java-tutorial/issues/29#top
https://github.com/timo1160139211
https://github.com/timo1160139211
timo1160139211https://github.com/timo1160139211
on Jul 8, 2017https://github.com/subaochen/java-tutorial/issues/29#issue-241414709
http://blog.csdn.net/zhaojinjia/article/details/8770989http://blog.csdn.net/zhaojinjia/article/details/8770989
https://lzw.me/a/yezhizhen.htmlhttps://lzw.me/a/yezhizhen.html
http://blog.csdn.net/mhjcumt/article/details/7351032http://blog.csdn.net/mhjcumt/article/details/7351032
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.