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How to check a string for specific characters?
...s):
print('Found')
else
print('Not found')
... or
chars = set('0123456789$,')
if any((c in chars) for c in s):
print('Found')
else:
print('Not Found')
[Edit: added the '$' in s answers]
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Find rows that have the same value on a column in MySQL
...* FROM member WHERE email = (Select email From member Where login_id = john123@hotmail.com)
This will return all records that have john123@hotmail.com as a login_id value.
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How to check whether a file is empty or not?
...
>>> import os
>>> os.stat("file").st_size == 0
True
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Copy multiple files in Python
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You can use os.listdir() to get the files in the source directory, os.path.isfile() to see if they are regular files (including symbolic links on *nix systems), and shutil.copy to do the copying.
The following code copies only the regul...
how to check if a file is a directory or regular file in python? [duplicate]
...
os.path.isfile("bob.txt") # Does bob.txt exist? Is it a file, or a directory?
os.path.isdir("bob")
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How to make a Java Generic method static?
... you are calling the static method,
Greet.sayHello("Bob");
Greet.sayHello(123);
JVM interprets it as the following.
Greet.<String>sayHello("Bob");
Greet.<Integer>sayHello(123);
Both giving the same outputs.
Hello Bob
Hello 123
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How can I find script's directory with Python? [duplicate]
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You need to call os.path.realpath on __file__, so that when __file__ is a filename without the path you still get the dir path:
import os
print(os.path.dirname(os.path.realpath(__file__)))
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How do I add tab completion to the Python shell?
...g your .bashrc and .bash_profile as suggested at the bottom of this page: joshstaiger.org/archives/2005/07/bash_profile_vs.html It also provides information on the difference between them. It might not solve the issue, but it might help.
– Dangercrow
Oct 21 '16...
When to use os.name, sys.platform, or platform.system?
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Dived a bit into the source code.
The output of sys.platform and os.name are determined at compile time. platform.system() determines the system type at run time.
sys.platform is specified as a compiler define during the build configuration.
os.name checks whether certain os specific mod...
How to find if directory exists in Python
In the os module in Python, is there a way to find if a directory exists, something like:
13 Answers
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