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Split a string on whitespace in Go?
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The strings package has a Fields method.
someString := "one two three four "
words := strings.Fields(someString)
fmt.Println(words, len(words)) // [one two three four] 4
DEMO: http://play.golang.org/p/et97S90cIH
From the docs:
func Fields(s string) []string
Fields splits ...
How to add a spinner icon to button when it's in the Loading state?
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Works great gurch101! I forget that one can mix HTML with text in a tag property. :-)
– Leniel Maccaferri
Feb 10 '13 at 16:23
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Where is the C auto keyword used?
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One possible use is in forward declaration of nested functions in GNU C - although this is a hijacking of the original definition of auto. tigcc.ticalc.org/doc/keywords.html#auto
– josiah
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Multiple ModelAdmins/views for same model in Django admin
How can I create more than one ModelAdmin for the same model, each customised differently and linked to different URLs?
2 A...
Should I pass a shared_ptr by reference? [duplicate]
...ine that several concurrent contexts have a reference to the same SP; then one could reset() it and the other would end up not just with a modified reference to the SP, but also with a possibly invalid pointer to the resource.
– Kerrek SB
Dec 5 '11 at 13:23
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Nginx 403 error: directory index of [folder] is forbidden
I have 3 domain names and am trying to host all 3 sites on one server (a Digital Ocean droplet) using Nginx.
19 Answers
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create multiple tag docker image
How can several tags be attached to one Docker image? Is it possible to create multiple tags using one Dockerfile ?
3 Answ...
Pointer vs. Reference
... is in a usable state. Hence, no NULL-check or error handling needs to be done for that value.
Rationale 3: Rationales 1 and 2 will be compiler enforced. Always catch errors at compile time if you can.
If a function argument is an out-value, then pass it by reference.
Rationale: We don't want to ...
A cron job for rails: best practices?
...puts "Pulling new requests..."
EdiListener.process_new_messages
puts "done."
end
To execute from the command line, this is just "rake cron". This command can then be put on the operating system cron/task scheduler as desired.
Update this is quite an old question and answer! Some new info:
t...
C++ convert hex string to signed integer
...tand the "0x" notation. So both the boost::lexical_cast and my hand rolled one don't deal well with hex strings. The above solution which manually sets the input stream to hex will handle it just fine.
Boost has some stuff to do this as well, which has some nice error checking capabilities as well....