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Thread: Unicode string index problem
Post: RE: Unicode string index problem
| (Nov-23-2019, 11:06 AM)Larz60+ Wrote: How do you say they look the same? they don'tI can't find any difference...
They are equal in swift language, because swift regards they look same. |
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luoheng |
General Coding Help |
6 |
3,112 |
Nov-23-2019, 03:04 PM |
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Thread: Unicode string index problem
Post: RE: Unicode string index problem
| (Nov-23-2019, 09:42 AM)Gribouillis Wrote: Indeed, in this string string[0] is a and string[1] is unicode U+0301 COMBINING ACUTE ACCENT. This string is different from >>> t = "\u00E1bcdefg"... |
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luoheng |
General Coding Help |
6 |
3,112 |
Nov-23-2019, 10:25 AM |
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Thread: Unicode string index problem
Post: Unicode string index problem
| Hey, guys. I met a problem when indexing a unicode string.
Here is the code:
>>> string = "ábcdefg"
>>> string[0]
aThe index result is a, but I hope it is á. It seems the string in... |
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luoheng |
General Coding Help |
6 |
3,112 |
Nov-23-2019, 03:22 AM |
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Thread: Multiplication Table number margins
Post: RE: Multiplication Table number margins
| This code may help you.
def main():
rows = int(input("What is the upper bound of multiplication table? "))
print("The multiplication table for 2 to", rows)
print()
counter = 0
mult... |
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luoheng |
General Coding Help |
4 |
2,491 |
Sep-18-2019, 02:00 PM |
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Thread: Multiplication Table number margins
Post: RE: Multiplication Table number margins
| What's the problem? The code works well.
Here is an elegant way to show the table:
def main():
rows = int(input("What is the upper bound of multiplication table? "))
print("The multiplication ... |
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luoheng |
General Coding Help |
4 |
2,491 |
Sep-18-2019, 07:21 AM |
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Thread: binary to decimal program
Post: RE: binary to decimal program
| You can directly use int function to convert a binary string to decimal.
x = [1, 0, 1, 0]
binStr = "".join(str(i) for i in x) # convert list to str
print(int(binStr, 2)) # convert binary string to dec... |
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luoheng |
Homework |
3 |
2,010 |
Sep-18-2019, 01:30 AM |
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Thread: Graph not plotting
Post: RE: Graph not plotting
| You just defined a function, but didn't run it.
def function(): # define a function
pass
function() # run the functionAdd svm_sgd_plot(X, Y) to your file, and you can see the graph. |
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luoheng |
General Coding Help |
1 |
1,990 |
Sep-14-2019, 09:52 AM |
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Thread: Pythone module for dynamic rule execution
Post: RE: Pythone module for dynamic rule execution
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luoheng |
General Coding Help |
1 |
9,062 |
Sep-13-2019, 11:25 AM |
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Thread: rounding floats to a number of bits
Post: RE: rounding floats to a number of bits
| >>> round(3.567, 2) # the second para is number of bits round
3.57
>>> round(3.56784, 4)
3.5678
# care with round
>>> round(3.5)
4
>>> round(4.5)
4 |
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luoheng |
General Coding Help |
2 |
2,354 |
Sep-13-2019, 02:38 AM |
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Thread: Need explain about the code
Post: RE: Need explain about the code
| It's e-s, not s-e in line 34. |
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luoheng |
General Coding Help |
2 |
1,979 |
Sep-12-2019, 03:10 PM |
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Thread: Python .exe
Post: RE: Python .exe
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luoheng |
General Coding Help |
1 |
1,516 |
Sep-12-2019, 09:25 AM |
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Thread: nested for loop dilemma 2
Post: RE: nested for loop dilemma 2
| Replace while with if:
num = int(input("Enter a number here: "))
if num >= 2:
for i in range(2, num):
if num % i == 0:
print(num," is not a prime number.")
br... |
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luoheng |
General Coding Help |
12 |
4,996 |
Sep-12-2019, 09:18 AM |
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Thread: FileNotFoundError: No such file or no access
Post: RE: FileNotFoundError: No such file or no access
| The error is quite clear.
The file C:\Users\krasona\PycharmProjects\GlioblastomaSegmentation\output\FLAIR_N4Bias.nii.gz doesn't exist, or you don't have access to it.
So check if you have the file, an... |
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luoheng |
General Coding Help |
2 |
5,010 |
Sep-12-2019, 07:57 AM |
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Thread: a quick check for a pattern?
Post: RE: a quick check for a pattern?
| You can use re to do the pattern search. Here is a example:
import re
pattern = re.compile(r"^(\d+)x(\d+)(?:\+(\d+))?(?:\+(\d+))?$")
test = "700x400+400+200"
m = pattern.match(test)
print(m.groups())
... |
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luoheng |
General Coding Help |
3 |
2,145 |
Sep-12-2019, 02:03 AM |
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Thread: Random Password Generator with Weird Output. Why?
Post: RE: Random Password Generator with Weird Output. W...
| The problem is in Line 18 and Line 19. random_choice(random_list1) will return a element from the list. So with random_list1 = random.choice(random_list1), You have changed the random_list1 from list ... |
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luoheng |
General Coding Help |
2 |
2,643 |
Sep-11-2019, 04:14 AM |
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Thread: Invalid argument error thrown.
Post: RE: Invalid argument error thrown.
| Line 5: change string 'url' to variable url. |
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luoheng |
General Coding Help |
4 |
8,679 |
Sep-10-2019, 03:26 AM |
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Thread: Manipulation a file for translation
Post: RE: Manipulation a file for translation
| with open("input", encoding="utf-8") as f:
with open("output", "w", encoding="utf-8") as output:
output.writelines(line.split()[6] + "\n" for line in f) |
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luoheng |
General Coding Help |
1 |
2,070 |
Sep-10-2019, 02:56 AM |
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Thread: Hash command works differently for me in CMD and Spyder
Post: RE: Hash command works differently for me in CMD a...
| The hash() may return different values for the same object on different Python implementations and Python versions.
It is designed to be used only within a single Python session. So you should never r... |
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luoheng |
General Coding Help |
3 |
2,399 |
Sep-10-2019, 02:40 AM |
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Thread: What is the significance of end=' ' and print()
Post: RE: What is the significance of end=' ' and print(...
| Another way to display matrix.
x = [[1, 2, 3], [4, 5, 6], [7, 8, 9]]
for ele in x:
print(*ele) |
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luoheng |
General Coding Help |
4 |
2,486 |
Sep-09-2019, 03:13 PM |
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Thread: update dict as per range of values
Post: RE: update dict as per range of values
| You need to move the definition of dict post_details to inner loop. You always update the same dict during the loop, so the elements are same.
port_details = {} # not here
for first_range_port in rang... |
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luoheng |
General Coding Help |
7 |
3,130 |
Sep-09-2019, 07:37 AM |
