質問編集履歴
5
詳細の追加
test
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```
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-
```
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-
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で実行したところ、
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UnicodeDecodeError: 'utf-8' codec can't decode byte 0x83 in position 0: invalid start byte
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```error
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+
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+
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PS C:\Users\programming\python> & C:/Users/AppData/Local/Programs/Python/Python38/python.exe c:/Users/programming/python/hello_flask.py
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@@ -99,3 +99,5 @@
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UnicodeDecodeError: 'utf-8' codec can't decode byte 0x83 in position 0: invalid start byte
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```
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+
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+
```
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4
詳細の追加
test
CHANGED
File without changes
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test
CHANGED
@@ -43,6 +43,8 @@
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実行結果です。
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+
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```error
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PS C:\Users\programming\python> & C:/Users/AppData/Local/Programs/Python/Python38/python.exe c:/Users/programming/python/hello_flask.py
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@@ -95,3 +97,5 @@
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hostname, aliases, ipaddrs = gethostbyaddr(name)
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UnicodeDecodeError: 'utf-8' codec can't decode byte 0x83 in position 0: invalid start byte
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+
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+
```
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3
詳細の追加
test
CHANGED
File without changes
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test
CHANGED
@@ -39,6 +39,10 @@
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原因と解決方法を教えてください。
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python3.8.3dで、osはwindows10,hello_flask.pyというファイルを作成しvscodeで実行しました。
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+
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+
実行結果です。
|
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+
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+
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PS C:\Users\programming\python> & C:/Users/AppData/Local/Programs/Python/Python38/python.exe c:/Users/programming/python/hello_flask.py
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44
48
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2
詳細の追加
test
CHANGED
File without changes
|
test
CHANGED
@@ -39,3 +39,55 @@
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39
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原因と解決方法を教えてください。
|
40
40
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41
41
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python3.8.3dで、osはwindows10,hello_flask.pyというファイルを作成しvscodeで実行しました。
|
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+
|
43
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+
PS C:\Users\programming\python> & C:/Users/AppData/Local/Programs/Python/Python38/python.exe c:/Users/programming/python/hello_flask.py
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+
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+
* Serving Flask app "hello_flask" (lazy loading)
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+
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+
* Environment: production
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+
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+
WARNING: This is a development server. Do not use it in a production deployment.
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+
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Use a production WSGI server instead.
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+
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* Debug mode: off
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+
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+
Traceback (most recent call last):
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+
|
57
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+
File "c:/Users/programming/python/hello_flask.py", line 10, in <module>
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58
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+
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+
app.run()
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File "C:\Users\AppData\Local\Programs\Python\Python38\lib\site-packages\flask\app.py", line 990, in run
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+
|
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+
run_simple(host, port, self, **options)
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+
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File "C:\Users\AppData\Local\Programs\Python\Python38\lib\site-packages\werkzeug\serving.py", line 1052, in run_simple
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inner()
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File "C:\Users\AppData\Local\Programs\Python\Python38\lib\site-packages\werkzeug\serving.py", line 996, in inner
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+
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+
srv = make_server(
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File "C:\Users\AppData\Local\Programs\Python\Python38\lib\site-packages\werkzeug\serving.py", line 847, in make_server
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+
|
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+
return ThreadedWSGIServer(
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+
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+
File "C:\Users\AppData\Local\Programs\Python\Python38\lib\site-packages\werkzeug\serving.py", line 740, in __init__
|
78
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+
|
79
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+
HTTPServer.__init__(self, server_address, handler)
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+
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File "C:\Users\AppData\Local\Programs\Python\Python38\lib\socketserver.py", line 452, in __init__
|
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+
|
83
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+
self.server_bind()
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+
|
85
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+
File "C:\Users\AppData\Local\Programs\Python\Python38\lib\http\server.py", line 140, in server_bind
|
86
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+
|
87
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+
self.server_name = socket.getfqdn(host)
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+
|
89
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+
File "C:\Users\AppData\Local\Programs\Python\Python38\lib\socket.py", line 756, in getfqdn
|
90
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+
|
91
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+
hostname, aliases, ipaddrs = gethostbyaddr(name)
|
92
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+
|
93
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+
UnicodeDecodeError: 'utf-8' codec can't decode byte 0x83 in position 0: invalid start byte
|
1
詳細の追加
test
CHANGED
File without changes
|
test
CHANGED
@@ -1,6 +1,10 @@
|
|
1
1
|
flaskのもっとも簡単なプログラムを実行しようとしたのですが、エラーが出ます。
|
2
2
|
|
3
3
|
プログラムは
|
4
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+
|
5
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+
|
6
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+
|
7
|
+
```python
|
4
8
|
|
5
9
|
from flask import Flask
|
6
10
|
|
@@ -9,6 +13,8 @@
|
|
9
13
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|
10
14
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|
11
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|
@app.route('/')
|
16
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+
|
17
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+
|
12
18
|
|
13
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|
def hello_world():
|
14
20
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|
@@ -20,12 +26,16 @@
|
|
20
26
|
|
21
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|
app.run()
|
22
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|
|
29
|
+
```
|
30
|
+
|
31
|
+
```
|
32
|
+
|
23
33
|
で実行したところ、
|
24
34
|
|
25
35
|
UnicodeDecodeError: 'utf-8' codec can't decode byte 0x83 in position 0: invalid start byte
|
26
36
|
|
27
37
|
という表示が出ました。
|
28
38
|
|
29
|
-
|
39
|
+
原因と解決方法を教えてください。
|
30
40
|
|
31
|
-
|
41
|
+
python3.8.3dで、osはwindows10,hello_flask.pyというファイルを作成しvscodeで実行しました。
|