大约有 9,000 项符合查询结果（耗时：0.0154秒） [XML]
python list in sql query as parameter
I have a python list, say l
15 Answers
15
...
assertEquals vs. assertEqual in python
Is there a difference between assertEquals and assertEqual in the python unittest.TestCase ?
7 Answers
...
Python - When to use file vs open
What's the difference between file and open in Python? When should I use which one? (Say I'm in 2.5)
6 Answers
...
Best ways to teach a beginner to program? [closed]
...nals, etc. This page provides an excellent tutorial.
After Logo, move to Python or Ruby. I recommend Python, as it's based on ABC, which was invented for the purpose of teaching programming.
When teaching programming, I must second EHaskins's suggestion of simple projects and then complex projec...
How can I read large text files in Python, line by line, without loading it into memory?
... do_something_with(line)
Even better is using context manager in recent Python versions.
with open("log.txt") as fileobject:
for line in fileobject:
do_something_with(line)
This will automatically close the file as well.
...
Is it possible to implement a Python for range loop without an iterator variable?
...
Note that _ is assigned the last result that returned in an interactive python session:
>>> 1+2
3
>>> _
3
For this reason, I would not use it in this manner. I am unaware of any idiom as mentioned by Ryan. It can mess up your interpreter.
>>> for _ in xrange(10): pa...
Asynchronous Requests with Python requests
...the sample provided within the documentation of the requests library for python.
12 Answers
...
Using try vs if in python
...
You often hear that Python encourages EAFP style ("it's easier to ask for forgiveness than permission") over LBYL style ("look before you leap"). To me, it's a matter of efficiency and readability.
In your example (say that instead of returning...
XMLHttpRequest cannot load file. Cross origin requests are only supported for HTTP
... file
Run a Local Server
Run a server on your computer, like Apache or Python
Python isn't a server, but it will run a simple server
Run a Local Server with Python
Get your IP address:
On Windows: Open up the 'Command Prompt'. All Programs, Accessories, Command Prompt
I always run the Comm...
Python: Making a beep noise
... me a beeping noise. I'm on a windows machine. I've looked at http://docs.python.org/library/winsound.html
9 Answers
...