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What does an exclamation mark mean in the Swift language?
...sn't seem to be true anymore. In a Swift 5 repl, if I do let f: String! = "hello" and then print(f), the output is Optional("hello") instead of just "hello".
– numbermaniac
May 9 at 2:20
...
Can gcc output C code after preprocessing?
... C source to CMakeFiles/main.dir/main.c.i
/usr/bin/cc -E /home/ciro/bak/hello/main.c > CMakeFiles/main.dir/main.c.i
so the file can be seen at CMakeFiles/main.dir/main.c.i
Tested on cmake 3.16.1.
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How can I parse a YAML file in Python
...
Hello @Anthon. I was usiing ruamel's but got an issue with documents that are not ascii compliant (UnicodeDecodeError: 'ascii' codec can't decode byte 0xe7 in position 926: ordinal not in range(128)). I've tried to set yaml.e...
How to use Session attributes in Spring-mvc
...w it and just tested it - working perfect here:
@GetMapping
public String hello(HttpSession session) {
session.setAttribute("name","value");
return "hello";
}
p.s.
I came here searching for an answer of "How to use Session attributes in Spring-mvc", but read so many without seeing the mos...
JavaScript window resize event
...ke so...
window.addEventListener('resize', debounce(() => console.log('hello'),
200, false), false);
It will never fire more than once every 200ms.
For mobile orientation changes use:
window.addEventListener('orientationchange', () => console.log('hello'), false);
Here's a small library...
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
...
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 ...
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 ...
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...