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Can you write virtual functions / methods in Java?
...println("I eat like a generic Animal.");
}
public static void main(String[] args)
{
List<Animal> animals = new LinkedList<Animal>();
animals.add(new Animal());
animals.add(new Fish());
animals.add(new Goldfish());
animals.add(new OtherAnimal());...
POST data in JSON format
...on; charset=UTF-8');
// send the collected data as JSON
xhr.send(JSON.stringify(data));
xhr.onloadend = function () {
// done
};
};
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How to get UTC time in Python?
....strftime("%s"))
If you want microseconds, you need to change the export string and cast to float like: return float(now.strftime("%s.%f"))
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Asterisk in function call
...
Maybe strings are not the best example because not everybody sees strings as iterables. Btw: Instead of chain(*it) I'd write chain.from_iterable(it).
– Jochen Ritzel
Mar 9 '11 at 0:46
...
Accessing member of base class
...ord. Here is an example of how they work:
class Animal {
public name: string;
constructor(name: string) {
this.name = name;
}
move(meters: number) {
console.log(this.name + " moved " + meters + "m.");
}
}
class Horse extends Animal {
move() {
consol...
How can I extract the folder path from file path in Python?
...ost there with your use of the split function. You just needed to join the strings, like follows.
>>> import os
>>> '\\'.join(existGDBPath.split('\\')[0:-1])
'T:\\Data\\DBDesign'
Although, I would recommend using the os.path.dirname function to do this, you just need to pass the...
How do I set a textbox's text to bold at run time?
...at was much easier than i imagined. So I guess that means a font is like a string, once you create it, you can't change it. you can only declare a new instance of it.
– Diskdrive
Jun 21 '10 at 23:05
...
Get last element of Stream/List in a one-liner
... Goetz makes a point, further the API documentation states that reduce("", String::concat) is an inefficient but correct solution for string concatenation, which implies maintenance of the encounter order.The intention is well-known,the documentation has to catch up.
– Holger
...
What does |= (ior) do in Python?
...o our regular integers above.
(1) Compare binary equivalents, seen here as strings (0b denotes binary):
>>> bin(a)
'0b1010'
>>> bin(b)
'0b10000'
(2) Apply a bitwise OR operation to each column (0 when both are 0, else 1):
01010
10000
-----
11010
(3) Return the result in the given...
“unary operator expected” error in Bash if condition
...rely on
if [[ $aug1 == "and" ]];
to compare the value of $aug1 with the string and.
If you use [ ... ], you always need to remember to double quote variables like this:
if [ "$aug1" = "and" ];
If you don't quote the variable expansion and the variable is undefined or empty, it vanishes from t...