大约有 40,000 项符合查询结果（耗时：0.0689秒） [XML]
Why does Python use 'magic methods'?
...lable, an object implements a method, def __len__(self) , and then it is called when you write len(obj) .
7 Answers
...
Are fluid websites worth making anymore? [closed]
...
Text based apps: No. Table based apps: Yes.
Pros of fluid layouts
People with big monitors gets to use their screen real estate.
Easier for users with big monitors when you have a lot of information on your page.
Cons of fluid layouts:
A f...
Asking the user for input until they give a valid response
...logic.
while True:
data = input("Please enter a loud message (must be all caps): ")
if not data.isupper():
print("Sorry, your response was not loud enough.")
continue
else:
#we're happy with the value given.
#we're ready to exit the loop.
break
w...
How to get the input from the Tkinter Text Widget?
...he end of the text box is reached. The only issue with this is that it actually adds a newline to our input. So, in order to fix it we should change END to end-1c(Thanks Bryan Oakley) The -1c deletes 1 character, while -2c would mean delete two characters, and so on.
def retrieve_input():
input...
How to show all shared libraries used by executables in Linux?
...to know which libraries are used by executables on my system. More specifically, I'd like to rank which libraries are used the most, along with the binaries that use them. How can I do this?
...
__init__ for unittest.TestCase
...
+1 I'd initialise the base class before calling any object method though.
– Joachim Isaksson
Jun 27 '13 at 21:25
...
What is the difference between quiet NaN and signaling NaN?
...unit (FPU) or library if floating-point is implemented in software. A signalling NaN will produce a signal, usually in the form of exception from the FPU. Whether the exception is thrown depends on the state of the FPU.
C++11 adds a few language controls over the floating-point environment and pr...
Suppress warning messages using mysql from within Terminal, but password written in bash script
...ogin-path has to come before all other arguments. I was trying mysqldump --tables --login-path=local and getting the error unknown variable 'login-path=local'.
– Tulio
May 3 '14 at 22:33
...
how to draw smooth curve through N points using javascript HTML5 canvas?
...he resulting line is not smooth. How can I produce a single curve between all the gathered points?
11 Answers
...
List of Rails Model Types
...
Rails 5 on PostgreSQL: you can use add_column :table_name, :field_name, :inet create a column to store IP addresses. See eg. postgresqltutorial.com/postgresql-data-types
– MSC
Feb 5 '19 at 12:17
...