大约有 45,000 项符合查询结果（耗时：0.0560秒） [XML]
python MySQLdb模块安装 - 更多技术 - 清泛网 - 专注C++内核技术
...db模块安装python-MySQLdb-installMySQLdb是python操作mysql数据库的一个库．mysql的几乎所有的操作都可以实现，在python2系列使用Mysqldb,在python3系列使用pymysql和mysql connect。安装步骤如下：1 pip方式安 MySQLdb是python操作mysql数据库的一个库...
What is the EAFP principle in Python?
...
From the glossary:
Easier to ask for forgiveness than permission. This common Python coding style assumes the existence of valid keys or attributes and catches exceptions if the assumption proves false. This clean and fast style is ...
Is main() really start of a C++ program?
... control with C++ because you specified to have sections of code execute (possibly) out-of-order.
share
|
improve this answer
|
follow
|
...
Visibility of global variables in imported modules
...
Globals in Python are global to a module, not across all modules. (Many people are confused by this, because in, say, C, a global is the same across all implementation files unless you explicitly make it static.)
There are different ways to solve this, depending on your ac...
How can I get a list of locally installed Python modules?
...rous==0.24',
'jinja2==2.7.2', 'jsonschema==2.3.0', 'markupsafe==0.23', 'nose==1.3.3',
'parse-type==0.3.4', 'parse==1.6.4', 'prettytable==0.7.2', 'requests==2.3.0',
'six==1.6.1', 'vioozer-metadata==0.1', 'vioozer-users-server==0.1',
'werkzeug==0.9.4']
Scope
This solution applies to the syst...
How can I run an external command asynchronously from Python?
..., or use wait() to wait for it to terminate.
– Adam Rosenfield
Mar 11 '09 at 22:09
Adam, very true, although it could ...
Can't find the 'libpq-fe.h header when trying to install pg gem
I am using the Ruby on Rails 3.1 pre version. I like to use PostgreSQL, but the problem is installing the pg gem. It gives me the following error:
...
How do I use JDK 7 on Mac OSX?
...
Oracle has released JDK 7 for OS X.
share
|
improve this answer
|
follow
|
...
How to import a module given its name as string?
...port a list of modules by doing this:
>>> moduleNames = ['sys', 'os', 're', 'unittest']
>>> moduleNames
['sys', 'os', 're', 'unittest']
>>> modules = map(__import__, moduleNames)
Ripped straight from Dive Into Python.
...
detect key press in python?
...
For those who are on windows and were struggling to find an working answer here's mine: pynput
from pynput.keyboard import Key, Listener
def on_press(key):
print('{0} pressed'.format(
key))
def on_release(key):
p...