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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of Walrus
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Community Discussions
Trending Discussions on Walrus
QUESTION
I have the following list comprehensions that I would like to optimize and turn into one single list comprehension, but I can't figure out how to handle the shifts:
...ANSWER
Answered 2022-Mar-01 at 20:20The "idiom for assignment a temporary variable in comprehensions" that CPython 3.9 even optimized to be a simple assignment, used for split
and for s
:
QUESTION
I have the following table
Start End Duration (years)
Bob Larkin September 1, 1924 October 1, 1932 8
Ed Jenkins January 1, 1925 September 1, 1943 18
Speed Dash March 15, 1925 March 1, 1930 4
Old Walrus January 20, 1926 May 5, 1927 1
Lester Leith January 1, 1929 June 1, 1943 14
Bob Zane June 7, 1930 July 21, 1934 4
I'd like to generate a horizontal bar chart with starting points for the bars according to their respective start date.
...ANSWER
Answered 2022-Feb-15 at 15:13Excel represents dates as days since 1900. If you create a stacked bar chart for the start dates and the duration in days you get 2 bars for each person: one from the lower limit of the horizontal axis (1900-1-1) to the start date and another one from the start date to the end date. Make the the first ones invisible.
After some tweaking of the axes (set limits of horizontal axis to 8767 and 15950, and revert vertical axis) I get this:
QUESTION
We were asked to design and code a website for high school lesson.
I've designed it in figma and then started coding (more like suffering ahahha) in replit. I designed both the header and the main text to be at the same level in figma., but when i started writing the code, the paragraph text is slightly shifted to the left comparing with the header. I've tried to align them using align items and margings and stuff like that, though i dont fully understand how they work yet tbh. If anyone knows what to do, and is willing to spend a little of their time looking into the code,
i will be very thankful!!!!!!!!!
This is a non-comercial high school homework task.
if you need more details about the project, just ask :)
the css code:
...ANSWER
Answered 2022-Feb-03 at 12:00I'm not sure if this is what you're looking for. Remove padding-left: 15%;
on onedayticket
because this is pushing the text to the right.
QUESTION
import random
class Tamagotchi:
def __init__(self, name, animaltype, activities):
self.name = name
self.animaltype = animaltype
self.activities = activities
self.energy = 100
def getName(self):
return self.name
def getAnimalType(self):
return self.animaltype
def getEnergy(self):
return self.energy
def setHealth(self, newHealth):
self.energy = newHealth
def getExercise():
activity = random.choice(activities)
return (activity)
class Donkey (Tamagotchi):
def __init__ (self, name, activities):
super().__init__(name, "Donkey", activities)
self.__home = "Beach"
def getHome(self):
return (self.__home)
def __fightingSkill(self):
print(self.name, "fights by kicking with their back leg straight into the opponents head")
def DoExercise(self, activity):
if activity == "fighting":
energy = round(self.energy - 10)
print(energy)
print("Strong Kick")
if activity == "racing":
energy = round(self.energy - 15)
print("Hard work")
if activity == "Tail Launch":
energy = round(self.energy - 1)
print("I am a donkey, not a Walrus")
self.setHealth(energy)
if self.getEnergy() < 70:
print(self.getName(), "Is out of energy")
else:
print(self.getName(), "Tired, New Energy:", self.getEnergy())
class Horse(Tamagotchi):
def __init__(self, name, activities):
super().__init__(name, "Horse", activities)
def DoExercise(self, activity):
if activity == "fighting":
energy = round(self.energy - 15)
print("Beaten")
if activity == "racing":
energy = round(self.energy - 5)
print("I am a racing horse")
if activity == "Tail Launch":
energy = round(self.energy - 2)
print("I am a horse i dont tail launch")
self.setHealth(energy)
if self.getEnergy() < 70:
print(self.getName(), "Is out of energy")
else:
print(self.getName(), "Tired, New Energy:", self.getEnergy())
class Walrus(Tamagotchi):
def __init__(self, name, activities):
super().__init__(name, "Walrus", activities)
def DoExercise(self, activity):
if activity == "fighting":
energy = round(self.energy - 34)
print("Victorious")
if activity == "racing":
energy = round(self.energy - 5)
print("I am a Walrus, i dont race")
if activity == "Tail Launch":
energy = round(self.energy - 12)
print("Get launched lol")
self.setHealth(energy)
if self.getEnergy() < 70:
print(self.getName(), "Is out of energy")
else:
print(self.getName(), "Tired, New Energy:", self.getEnergy())
Pet1 = Donkey("Gracy", "fighting")
print("Player1, you are", Pet1.getName(), "who is a", Pet1.getAnimalType())
Pet2 = Horse("Mabel", "racing")
print("Player2, you are", Pet2.getName(), "who is a", Pet2.getAnimalType())
Pet3 = Walrus("Steve", "Tail Lauch")
print("Player3, you are", Pet3.getName(), "who is a", Pet3.getAnimalType())
activities = []
activities.append(Pet1.activities)
activities.append(Pet2.activities)
activities.append(Pet3.activities)
print(activities)
activity = Tamagotchi.getExercise()
print("Activity chosen", activity)
#Accessing private attributes
Pet1.__home = "Land"
print(Pet1.name, "lives on a", Pet1.getHome())
#Accessing private methods
Pet1._Donkey__fightingSkill()
while Pet1.getEnergy()>70 and Pet2.getEnergy()>70 and Pet3.getEnergy() > 70:
Pet1.DoExercise(activity)
if Pet2.getEnergy() > 70:
Pet2.DoExercise(activity)
if Pet3.getEnergy() > 70:
Pet3.DoExercise(activity)
if Pet1.getEnergy() >Pet2.getEnergy()and Pet3.getEnergy():
print("Player 1 wins")
else:
if Pet3.getEnergy() > Pet2.getEnergy():
print("Player 3 wins")
else:
print("Player 2 wins")
...ANSWER
Answered 2022-Feb-03 at 11:03The error essentially means you are asking to use the value of "energy" even though it is empty(None/null)
In def DoExercise(self, activity):
add an else statement that defines the value of energy when all if
cases fail or give the value of energy before the if
statement begins. It should solve the issue.
QUESTION
I have a list of strings and I want to extract a pattern from elements.
For instance, given list ["A 12345bcd", "BYT 676 CCC"]
and pattern r'\d\d\d\d\d'
, I would like to obtain: ["12345", ""]
I know how to do without it, but I want to use walrus operator :=
.
I tried:
[(m:=re.search(r'\d\d\d\d\d', x), m.group() if m else "") for x in ["A 12345bcd", "BYT 676 CCC"]]
But the result is:
[(, '12345'), (None, '')]
Hence, not what I want
...ANSWER
Answered 2022-Jan-15 at 10:05This is a tuple:
QUESTION
Is there a correct way to have two walrus operators in 1 if statement?
...ANSWER
Answered 2022-Jan-14 at 15:44The issue you are having is that five
is only assigned if three
is True in this statement because of short circuiting:
QUESTION
Say, I want to check if my integer is in the return of the first function or not, if not, then go check the second function, and so on. with these functions
...ANSWER
Answered 2022-Jan-05 at 17:05You can do this:
QUESTION
Comming from this question Adding the last position of an array to the same array
I was curious if the mentioned loop can be done in a list comprehension?
...ANSWER
Answered 2022-Jan-03 at 00:20We can make the observation that, if our resulting array is result
, then result[i] = array[0] + i * value
.
For example:
result[0] = array[0]
result[1] = result[0] + value = array[0] + 1 * value
result[2] = result[1] + value = array[0] + 2 * value
- etc.
It follows from the code that this can generally be expressed as:
result[0] = array[0]
result[i] = result[i - 1] + value
fori > 0
.
Then, the list comprehension becomes:
QUESTION
I am trying to use the Walrus operator in python with different if statements and the code that i am trying to replace looks like this:
...ANSWER
Answered 2021-Dec-30 at 07:59You're catching the result of the comparison (thus a boolean), not the result of calculate
.
You should do:
QUESTION
Is there an equivalent of Python's walrus operator ':=' in JavaScript? I know it's possible to do:
...ANSWER
Answered 2021-Dec-19 at 18:13You could declare result
inside of the for
's scope.
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