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How to convert a scala.List to a java.util.List?
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Jacek Laskowski
61.1k2020 gold badges187187 silver badges343343 bronze badges
answered Mar 12 '10 at 4:30
Daniel C. Sobral...
Can I target all tags with a single selector?
I'd like to target all h tags on a page. I know you can do it this way...
10 Answers
1...
List directory in Go
... of everything in the current directory (folders are included but not specially marked - you can check if an item is a folder by using the IsDir() method):
package main
import (
"fmt"
"io/ioutil"
"log"
)
func main() {
files, err := ioutil.ReadDir("./")
if err != nil {
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Python - Count elements in list [duplicate]
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len(myList) should do it.
len works with all the collections, and strings too.
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filename and line number of python script
...ame
– Aaron Miller
Sep 21 '18 at 17:20
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Unable to install Maven on Windows: “JAVA_HOME is set to an invalid directory”
...ollowed the Maven tutorial to the letter but I still can't get Maven installed on Windows.
16 Answers
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Is there a ceiling equivalent of // operator in Python?
...t shy of an order of magnitude faster than forcing the float division and calling ceil(), provided you care about the speed. Which you shouldn't, unless you've proven through usage that you need to.
>>> timeit.timeit("((5 - 1) // 4) + 1", number = 100000000)
1.7249219375662506
>>>...
What does new self(); mean in PHP?
... the parent class
The first situation would look like this (I've removed all non-necessary code, for this example -- you'll have to add it back to get the singleton behavior)* :
class MyParentClass {
}
class MyChildClass extends MyParentClass {
public static function getInstance() {
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How do I check if a variable exists?
...have nested functions, variables in outer scopes. If you want to check for all of them, you're probably best off triggering NameError after all.
– Petr Viktorin
Jun 10 '14 at 20:18
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Can I redirect the stdout in python into some sort of string buffer?
...ys.stdout = bkp
– Matthias Kuhn
Feb 20 '14 at 13:37
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If you want to use this in Python 3, repla...