大约有 2,000 项符合查询结果（耗时：0.0187秒） [XML]
解决 A potentially dangerous Request.Form value was detected from the ...
...日有客户在升级到Windows 2012 Server后，发现部分表单无法保存，经测试是由于使用了ASP.NET 4.0，默认安全性设置较高造成的。当表单...近日有客户在升级到Windows 2012 Server后，发现部分表单无法保存，经测试是由于使用了ASP.NET 4.0，...
解决 A potentially dangerous Request.Form value was detected from the ...
...日有客户在升级到Windows 2012 Server后，发现部分表单无法保存，经测试是由于使用了ASP.NET 4.0，默认安全性设置较高造成的。当表单...近日有客户在升级到Windows 2012 Server后，发现部分表单无法保存，经测试是由于使用了ASP.NET 4.0，...
returning in the middle of a using block
...(var textwriter = new StreamWriter(memoryStream))
{
using (var csv = new CsvWriter(textwriter))
{
//..write some stuff to the stream using the CsvWriter
return memoryStream.ToArray();
}
}
}
I was passing in a DataTable to be outputted as csv....
Combine Date and Time columns using python pandas
...ou may have been able to read this in directly e.g. if you were using read_csv using parse_dates=[['Date', 'Time']].
Assuming these are just strings you could simply add them together (with a space), allowing you to apply to_datetime:
In [11]: df['Date'] + ' ' + df['Time']
Out[11]:
0 01-06-2013...
Sorting multiple keys with Unix sort
...
Here is one to sort various columns in a csv file by numeric and dictionary order, columns 5 and after as dictionary order
~/test>sort -t, -k1,1n -k2,2n -k3,3d -k4,4n -k5d sort.csv
1,10,b,22,Ga
2,2,b,20,F
2,2,b,22,Ga
2,2,c,19,Ga
2,2,c,19,Gb,hi
2,2,c,19,Gb,hj
2,...
Redis消息通知系统的实现 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...时处理，那么很容易就崩溃了，此时可以使用一个队列来保存待处理的登录用户，如此一来顶多是反应慢点，但不会崩溃。
Redis的LIST数据类型可以很自然的创建一个队列，代码如下：
<?php
$redis = new Redis;
$redis->connect('/tmp/re...
Pandas every nth row
...came up with when using the index was not viable ( possibly the multi-Gig .csv was too large, or I missed some technique that would allow me to reindex without crashing ).
Walk through one row at a time and add the nth row to a new dataframe.
import pandas as pd
from csv import DictReader
def make_...
How is mime type of an uploaded file determined by browser?
...70 (kPrimaryMappings and kSecondaryMappings).
An example: when uploading a CSV file from a Windows system with Microsoft Excel installed, Chrome will report this as application/vnd.ms-excel. This is because .csv is not specified in the first hard-coded list, so the browser falls back to the system r...
How to do what head, tail, more, less, sed do in Powershell? [closed]
... Holy cow, this is maxing out my CPU to do a -last 2 on a 1GB CSV. Hot beverage: ☕
– mlissner
Feb 19 '13 at 19:28
...
Lazy Method for Reading Big File in Python?
..., you can to use the file object itself as lazy generator:
with open('big.csv') as f:
for line in f:
process(line)
However, I once ran into a very very big (almost) single line file, where the row separator was in fact not '\n' but '|'.
Reading line by line was not an option, but I ...