大约有 3,300 项符合查询结果（耗时：0.0306秒） [XML]
How to specify different Debug/Release output directories in QMake .pro file
... answered Oct 13 '12 at 11:17
Hello WHello W
56377 silver badges1717 bronze badges
...
Inheriting class methods from modules / mixins in Ruby
...stance_method; "hi"; end
module ClassMethods
def new_class_method; "hello"; end
end
end
class HostKlass
include M
self.singleton_class.include M::ClassMethods
end
HostKlass.new_class_method
#=> "hello"
This self.singleton_class.include M::ClassMethods line does not look very nice...
How does variable assignment work in JavaScript?
...
here is my version of the answer:
obj = {a:"hello",b:"goodbye"}
x = obj
x.a = "bonjour"
// now obj.a is equal to "bonjour"
// because x has the same reference in memory as obj
// but if I write:
x = {}
x.a = obj.a
x.b = obj.b
x.a = "bonjour"
// now x = {a:"bonjour", ...
What to do with “Unexpected indent” in python?
...(Very annoying when copy-and-pasting example code!)
>>> print "hello"
IndentationError: unexpected indent
Unindent does not match any outer indentation level. This line of code has fewer spaces at the start than the one before, but equally it does not match any other block it could be ...
AngularJS : The correct way of binding to a service properties
...ibutes of a service, why don't we expose the service to the scope?
$scope.hello = HelloService;
This simple approach will make angular able to do two-way binding and all the magical things you need. Don't hack your controller with watchers or unneeded markup.
And if you are worried about your vi...
Lists in ConfigParser
...that multi-line configuration-values are allowed. For example:
;test.ini
[hello]
barlist =
item1
item2
The value of config.get('hello','barlist') will now be:
"\nitem1\nitem2"
Which you easily can split with the splitlines method (don't forget to filter empty items).
If we look to a ...
Extract public/private key from PKCS12 file for later use in SSH-PK-Authentication
...do that by adding three backquotes before and after the command so ```echo hello``` becomes echo hello.
– PatS
Jun 1 '18 at 15:17
...
Looping over arrays, printing both index and value
... work same:
declare -A bar=([foo]=snoopy [bar]=nice [baz]=cool [foo bar]='Hello world!')
paste -d = <(printf "bar[%s]\n" "${!bar[@]}") <(printf '"%s"\n' "${bar[@]}")
bar[foo bar]="Hello world!"
bar[foo]="snoopy"
bar[bar]="nice"
bar[baz]="cool"
Issue with newlines or special chars
Unfortune...
How to compare two strings in dot separated version format in Bash?
...o "$1" | tr '.' ' '); }
$ [ $(ver 10.9) -lt $(ver 10.10) ] && echo hello
hello
share
|
What is the difference between . (dot) and $ (dollar sign)?
...to a prefix function, one can write ($ 3) (4+) analogous to (++", world") "hello".
Why would anyone do this? For lists of functions, for example. Both:
map (++", world") ["hello","goodbye"]`
and:
map ($ 3) [(4+),(3*)]
are shorter than map (\x -> x ++ ", world") ... or map (\f -> f 3) .....