大约有 30,000 项符合查询结果(耗时:0.0590秒) [XML]
Count how many records are in a CSV Python?
I'm using python (Django Framework) to read a CSV file. I pull just 2 lines out of this CSV as you can see. What I have been trying to do is store in a variable the total number of rows the CSV also.
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Determining Whether a Directory is Writeable
What would be the best way in Python to determine whether a directory is writeable for the user executing the script? Since this will likely involve using the os module I should mention I'm running it under a *nix environment.
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How to change a string into uppercase
I have problem in changing a string into uppercase with Python. In my research, I got string.ascii_uppercase but it doesn't work.
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find first sequence item that matches a criterion [duplicate]
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Python next()
– Jonathon Reinhart
Oct 19 '13 at 4:29
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When and why should I use a namedtuple instead of a dictionary? [duplicate]
... you used the same keys in each one, but assuming you will have only valid Python identifiers as keys and don't need mutability,
mynamedtuple.fieldname
is prettier than
mydict['fieldname']
and
mynamedtuple = MyNamedTuple(firstvalue, secondvalue)
is prettier than
mydict = {'fieldname': fir...
Using global variables between files?
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See Python's document on sharing global variables across modules:
The canonical way to share information across modules within a single program is to create a special module (often called config or cfg).
config.py:
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Quick way to list all files in Amazon S3 bucket?
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I'd recommend using boto. Then it's a quick couple of lines of python:
from boto.s3.connection import S3Connection
conn = S3Connection('access-key','secret-access-key')
bucket = conn.get_bucket('bucket')
for key in bucket.list():
print key.name.encode('utf-8')
Save this as list.p...
Android - Start service on boot
...a complete example of an AutoStart Application
AndroidManifest file
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="pack.saltriver" android:versionCode="1" android:versionName="1.0">
<uses-permission andro...
PHP DOMDocument errors/warnings on html5-tags
...r best workable solution is going to be to disable error reporting with libxml_use_internal_errors:
$dom = new DOMDocument;
libxml_use_internal_errors(true);
$dom->loadHTML('...');
libxml_clear_errors();
share
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Titlecasing a string with exceptions
Is there a standard way in Python to titlecase a string (i.e. words start with uppercase characters, all remaining cased characters have lowercase) but leaving articles like and , in , and of lowercased?
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