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Do DOM tree elements with ids become global variables?
...ts’ are added as apparent properties of the document object. This is a really bad idea, as it allows element names to clash with real properties of document.
IE made the situation worse by also adding named elements as properties of the window object. This is doubly bad in that now you have to av...
Why doesn't C# support the return of references?
...f (x > y)
return ref x;
else
return ref y;
}
and then call it with
int a = 123;
int b = 456;
ref int c = ref Max(ref a, ref b);
c += 100;
Console.WriteLine(b); // 556!
I know empirically that it is possible to build a version of C# that supports these features because I hav...
PG::ConnectionBad - could not connect to server: Connection refused
... #2 is a great suggestion: "Check server.log". My error was actually caused by upgrading to Yosemite, the server log said: FATAL: could not open directory "pg_tblspc": No such file or directory. This answer helped me with that problem stackoverflow.com/questions/25970132/…
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What is the difference between ${var}, “$var”, and “${var}” in the Bash shell?
...bar', so loop runs once and
done # prints nothing (actually "")
var="foo bar"
for i in "${var}bar"; do # Expands to 'for i in "foo barbar"; do...'
echo $i # so runs the loop once
done
# foo barbar
Note that "${var}bar" in the second example above could also ...
How to empty a list in C#?
...
It's really easy:
myList.Clear();
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Convert light frequency to RGB?
...teachers may have told us (well mine did). Too bad, but in practice not usually fatal.
– Francis Davey
May 29 '10 at 22:58
1
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adding header to python requests module
...
You can also do this to set a header for all future gets for the Session object, where x-test will be in all s.get() calls:
s = requests.Session()
s.auth = ('user', 'pass')
s.headers.update({'x-test': 'true'})
# both 'x-test' and 'x-test2' are sent
s.get('http://h...
What are the differences between Clojure, Scheme/Racket and Common Lisp?
I know they are dialects of the same family of language called lisp, but what exactly are the differences? Could you give an overview, if possible, covering topics such as syntax, characteristics, features and resources.
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Why does the C# compiler go mad on this nested LINQ query?
...o compile following code and you'll find that compiler takes >3 GB of RAM (all free memory on my machine) and very long time to compile (actually I get IO exception after 10 minutes).
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Memory management in Qt?
... need to delete and/or destroy my objects? Is any of this handled automatically?
4 Answers
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