大约有 3,516 项符合查询结果(耗时:0.0274秒) [XML]
Downloading a picture via urllib and python
......, filename_10.jpg then download all of them:
import requests
for x in range(1, 10):
str1 = 'filename_%2.2d.jpg' % (x)
str2 = 'http://site/dir/filename_%2.2d.jpg' % (x)
f = open(str1, 'wb')
f.write(requests.get(str2).content)
f.close()
...
Python date string to date object
...n parsing Feb date like '2902'. I get this error ValueError: day is out of range for month. Not sure how I can set the default year while parsing.
– Shubham Naik
Apr 19 at 13:28
...
jQuery UI sliders on touch devices
... it working for me. The only issue now is that the background region (when range: "min" is set) is not obeying the slider position.
– ejectamenta
Oct 31 '18 at 12:45
add a com...
How do I find numeric columns in Pandas?
...ete code:
import pandas as pd
import numpy as np
df = pd.DataFrame({'A': range(7, 10),
'B': np.random.rand(3),
'C': ['foo','bar','baz'],
'D': ['who','what','when']})
df
# A B C D
# 0 7 0.704021 foo who
# 1 8 0.264025...
Removing index column in pandas when reading a csv
...d idea if you have heterogenous data types. Better just use
df.columns = range(len(df.columns))
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Could not find an implementation of the query pattern
...le'. 'Where' not found.
Consider explicitly specifying the type of the range variable 'row'.
From my code:
var x =
from row in ds.InvcHead
where row.Company == Session.CompanyID
select row;
So I did as it suggested and explicitly specified the typ...
Indexes of all occurrences of character in a string
...regex
.findAll(this) // get the matches
.map { it.range.first } // get the index
.toCollection(mutableListOf()) // collect the result as list
// call the methods as
"Banana".indicesOf("a") // [1, 3, 5]
...
How do I generate random numbers in Dart?
...w about negative random numbers (doubles)? I'm trying to implement a randomRange method that would generate for example from -0.8 to 0.9 ... the result would be for example -0.32
– just_a_dude
Nov 7 '13 at 13:59
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MongoDb query condition on comparing 2 fields
...cution. Below is my test in python:
import pymongo
from random import randrange
docs = [{'Grade1': randrange(10), 'Grade2': randrange(10)} for __ in range(100000)]
coll = pymongo.MongoClient().test_db.grades
coll.insert_many(docs)
Using aggregate:
%timeit -n1 -r1 list(coll.aggregate([
{
...
How do you embed binary data in XML?
...
Wow. This will make the average kilobyte-range file about 230 times larger :)
– Nyerguds
Aug 8 '11 at 12:03
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