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java.net.UnknownHostException: Invalid hostname for server: local
What are the steps I should take to solve the error:
13 Answers
13
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In Go's http package, how do I get the query string on a POST request?
...o, sample codes as below would work.
func parseRequest(req *http.Request) error {
var err error
if err = req.ParseForm(); err != nil {
log.Error("Error parsing form: %s", err)
return err
}
_ = req.Form.Get("xxx")
return nil
}
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Is there an equivalent to background-size: cover and contain for image elements?
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answered Nov 17 '14 at 7:05
DanieldDanield
100k3131 gold badges190190 silver badges223223 bronze badges
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Fastest way to replace NAs in a large data.table
...m elapsed
18.805 12.301 134.985
system.time(a_andrie = f_andrie(dt1))
Error: cannot allocate vector of size 305.2 Mb
Timing stopped at: 14.541 7.764 68.285
system.time(f_dowle(dt1))
user system elapsed
7.452 4.144 19.590 # EDIT has faster than this
identical(a_gdata, dt1)
[1] ...
What is the difference between a heuristic and an algorithm?
...ts.
– Marina Dunst
Mar 18 '17 at 11:05
add a comment
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How to uninstall a Windows Service when there is no executable for it left on the system?
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If you get error 1072, make sure you don't have the services control panel open (see this other question)
– Giles
Feb 8 '17 at 11:17
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How do I use regex in a SQLite query?
...ed by default and so use of the REGEXP operator will normally result in an error message. If a application-defined SQL function named "regexp" is added at run-time, that function will be called in order to implement the REGEXP operator. (sqlite.org/lang_expr.html#regexp)
– radi...
How to use range-based for() loop with std::map?
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edited Sep 16 '19 at 20:05
John Kugelman
292k6262 gold badges455455 silver badges506506 bronze badges
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Styling text input caret
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edited Oct 28 '19 at 17:05
answered Sep 7 '11 at 19:20
Mi...
Why does Convert.ToString(null) return a different value if you cast null?
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edited May 4 '12 at 15:05
answered Apr 27 '12 at 18:13
J...