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May 2023
quadratic.fm
quadratic.fm
How Meta, Google, Github and others leverage HTTP conditional requests to build robust REST APIs
1
kael
20 May 2023
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Public
http
etag
caching
http:header=last-modified
http:header=etag
http:header=if-match
http:header=if-none-match
http:header=if-modified-since
http:header=if-unmodified-since
http:header=if-range
cito:cites=urn:ietf:rfc:7232
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http:header=if-range
http:header=if-none-match
http:header=if-match
http:header=last-modified
http
cito:cites=urn:ietf:rfc:7232
http:header=if-unmodified-since
http:header=if-modified-since
http:header=etag
caching
etag
Annotators
kael
URL
quadratic.fm/p/how-meta-microsoft-google-github
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www.bortzmeyer.org
www.bortzmeyer.org
Blog Stéphane Bortzmeyer: RFC 7232: Hypertext Transfer Protocol (HTTP/1.1): Conditional Requests
1
kael
20 May 2023
in
Public
http
etag
http:header=etag
http:header=last-modified
http:header=if-match
http:header=if-none-match
http:header=if-modified-since
http:header=if-range
http:code=412
cito:cites=urn:ietf:rfc:7232
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http:header=if-range
http:header=if-none-match
http:header=if-match
http:header=last-modified
http
cito:cites=urn:ietf:rfc:7232
http:header=if-modified-since
http:header=etag
etag
http:code=412
Annotators
kael
URL
bortzmeyer.org/7232.html
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datatracker.ietf.org
datatracker.ietf.org
RFC 7232 - Hypertext Transfer Protocol (HTTP/1.1): Conditional Requests
1
kael
20 May 2023
in
Public
http
etag
http:header=etag
http:header=last-modified
http:header=if-match
http:header=if-none-match
http:header=if-modified-since
http:header=if-range
http:code=304
http:code=412
urn:ietf:rfc:7232
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http:code=304
http:header=if-range
http:header=if-none-match
http:header=if-match
http:header=last-modified
http
urn:ietf:rfc:7232
http:header=if-modified-since
http:header=etag
etag
http:code=412
Annotators
kael
URL
datatracker.ietf.org/doc/html/rfc7232
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stackoverflow.com
stackoverflow.com
Why do the http precondition header fields support multiple etags?
1
kael
20 May 2023
in
Public
etag
http
caching
http:header=etag
http:header=if-match
http:header=if-none-match
cito:cites=urn:ietf:rfc:7232
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http:header=if-none-match
http:header=if-match
http
cito:cites=urn:ietf:rfc:7232
caching
etag
http:header=etag
Annotators
kael
URL
stackoverflow.com/questions/41657773/why-do-the-http-precondition-header-fields-support-multiple-etags
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