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What does an exclamation mark mean in the Swift language?
...ontent/documentation/Swift/Conceptual/Swift_Programming_Language/TheBasics.html#//apple_ref/doc/uid/TP40014097-CH5-XID_399
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From inside of a Docker container, how do I connect to the localhost of the machine?
...e is an RFC banning the use of subdomains of localhost. See tools.ietf.org/html/draft-west-let-localhost-be-localhost-06.
– Jya
Feb 19 '18 at 13:46
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Get type of all variables
...the R manual on basic types: https://cran.r-project.org/doc/manuals/R-lang.html#Basic-types
Your object() needs to be penetrated with get(...) before you can see inside. Example:
a <- 10
myGlobals <- objects()
for(i in myGlobals){
typeof(i) #prints character
typeof(get(i)) #p...
How do you detect Credit card type based on number?
...are valid anyway (freeformatter.com/credit-card-number-generator-validator.html)
– Drew
Oct 4 '16 at 18:56
there are n...
What are inline namespaces for?
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http://www.stroustrup.com/C++11FAQ.html#inline-namespace (a document written by and maintained by Bjarne Stroustrup, who you'd think should be aware of most motivations for most C++11 features.)
According to that, it is to allow versioning for backward-compat...
Correct way to delete cookies server-side
...atetime format, we find that in its initial spec in https://tools.ietf.org/html/rfc822, the Syntax section lists "UT" (meaning "universal time") as a possible value, but does not list not UTC (Coordinated Universal Time) as valid. As far as I know, using "UTC" in this date format has never been vali...
prototype based vs. class based inheritance
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No, sorry, CLOS is from the late 80's dreamsongs.com/CLOS.html Smalltalk from 1980 en.wikipedia.org/wiki/Smalltalk and Simula with full object orientation from 1967-68 en.wikipedia.org/wiki/Simula
– Charlie Martin
May 3 '09 at 8:41
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Stack vs heap allocation of structs in Go, and how they relate to garbage collection
...tp://devs.cloudimmunity.com/gotchas-and-common-mistakes-in-go-golang/index.html#stack_heap_vars
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Send email using java
.../java.sun.com/products/javamail/javadocs/com/sun/mail/smtp/package-summary.html
http://forum.java.sun.com/thread.jspa?threadID=5205249
smtpsend.java - demo program from javamail
*/
props.put("mail.smtps.quitwait", "false");
Session session = S...
List changes unexpectedly after assignment. How do I clone or copy it to prevent this?
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Yes, and as per docs docs.python.org/3/library/stdtypes.html#mutable-sequence-types, s.copy() creates a shallow copy of s (same as s[:]).
– CyberMew
Sep 25 '18 at 18:07
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