大约有 13,000 项符合查询结果（耗时：0.0318秒） [XML]
u'\ufeff' in Python string
...endian UTF-16 encoding. If you decode the web page using the right codec, Python will remove it for you. Examples:
#!python2
#coding: utf8
u = u'ABC'
e8 = u.encode('utf-8') # encode without BOM
e8s = u.encode('utf-8-sig') # encode with BOM
e16 = u.encode('utf-16') # encode with BOM
...
Define a lambda expression that raises an Exception
...
There is more than one way to skin a Python:
y = lambda: (_ for _ in ()).throw(Exception('foobar'))
Lambdas accept statements. Since raise ex is a statement, you could write a general purpose raiser:
def raise_(ex):
raise ex
y = lambda: raise_(Excepti...
Good reasons NOT to use a relational database?
...ls (i.e. text editors, grep etc)
Efficient storage of binary documents
XML or JSON files on disk
As above, but with a bit more ability to validate the structure.
Spreadsheet / CSV file
Very easy model for business users to understand
Subversion (or similar disk based version control ...
How do I validate a date string format in python?
I have a python method which accepts a date input as a string .
5 Answers
5
...
Understanding the map function
...
map isn't particularly pythonic. I would recommend using list comprehensions instead:
map(f, iterable)
is basically equivalent to:
[f(x) for x in iterable]
map on its own can't do a Cartesian product, because the length of its output list is ...
Where is virtualenvwrapper.sh after pip install?
...d to .profile, pointing towards virtualenvwrapper.sh. I've checked all the python and site-packages directories, and I can't find any virtualenvwrapper.sh. Is this something I need to download separately? Is pip not installing correctly?
...
Accessing MP3 metadata with Python [closed]
How can I retrieve mp3 metadata in Python?
16 Answers
16
...
Set the location in iPhone Simulator
...ollowing file, call it MyOffice for example. Make extension as .gpx
<?xml version="1.0"?> <gpx version="1.0" creator="MyName"> <wpt lat="53.936166" lon="27.565370"> <name>MyOffice</name> </wpt> </gpx>
Select in Xcode at the Simulate area Add GPX File to Pr...
Is it possible to change the location of packages for NuGet?
...lt;/config>
...
</configuration>
this did WORK for me:
<?xml version="1.0" encoding="utf-8"?>
<settings>
<repositoryPath>..\ExtLibs\Packages</repositoryPath>
</settings>
share
...
Convert JSON string to dict using Python
I'm a little bit confused with JSON in Python.
To me, it seems like a dictionary, and for that reason
I'm trying to do that:
...