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C#对象序列化与反序列化 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...用XmlText
(5) 使用XmlType和XmlAttribute(重命名节点名称)
(6) 列表和数组的序列化
(7) 列表和数组的做为数据成员的序列化
(8) 类型继承与反序列化
(9) 排除不需要序列化的成员
(10) 强制指定成员的序列化顺序
(11) 自定义序列化行为...
Create Pandas DataFrame from a string
...ringIO (python2) or io.StringIO (python3) and pass that to the pandas.read_csv function. E.g:
import sys
if sys.version_info[0] < 3:
from StringIO import StringIO
else:
from io import StringIO
import pandas as pd
TESTDATA = StringIO("""col1;col2;col3
1;4.4;99
2;4.5;200
3;4...
csv文件用excel打开修改保存后,日期少了秒 - 更多技术 - 清泛网 - 专注C/C++及内核技术
csv文件用excel打开修改保存后,日期少了秒csv格式的日期打开默认是没有秒的，而且再次保存后秒回丢失，通过设置单元格自定义类型可以解决。选中单元格（或选中列）右键，设置单元格...csv格式的日期打开默认是没有秒的，而...
C#对象序列化与反序列化 - 更多技术 - 清泛网移动版 - 专注C/C++及内核技术
...用XmlText
(5) 使用XmlType和XmlAttribute(重命名节点名称)
(6) 列表和数组的序列化
(7) 列表和数组的做为数据成员的序列化
(8) 类型继承与反序列化
(9) 排除不需要序列化的成员
(10) 强制指定成员的序列化顺序
(11) 自定义序列化行为...
Load data from txt with pandas
...
You can use:
data = pd.read_csv('output_list.txt', sep=" ", header=None)
data.columns = ["a", "b", "c", "etc."]
Add sep=" " in your code, leaving a blank space between the quotes. So pandas can detect spaces between values and sort in columns. Data co...
Open the file in universal-newline mode using the CSV Django module
I am trying to access a model.filefield in Django to parse a CSV file in Python using the csv module. It's working on Windows, but on Mac it gave me this:
...
Trimming a huge (3.5 GB) csv file to read into R
...
My try with readLines. This piece of a code creates csv with selected years.
file_in <- file("in.csv","r")
file_out <- file("out.csv","a")
x <- readLines(file_in, n=1)
writeLines(x, file_out) # copy headers
B <- 300000 # depends how large is one pack
while(length...
Specify custom Date format for colClasses argument in read.table/read.csv
...cify the Date format when using the colClasses argument in read.table/read.csv?
4 Answers
...
How is Pythons glob.glob ordered?
...:
My files were returned by glob something like:
myList = ["c:\tmp\x\123.csv", "c:\tmp\x\44.csv", "c:\tmp\x\101.csv", "c:\tmp\x\102.csv", "c:\tmp\x\12.csv"]
I sorted the list in place, to do this I created a function:
def sortKeyFunc(s):
return int(os.path.basename(s)[:-4])
This function ...
构建高并发高可用的电商平台架构实践 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...，同时client监听zookeeper的/routers节点并缓存在线router节点列表。
3) HA
传统实现HA的做法一般是采用虚拟IP漂移，结合Heartbeat、keepalived等实现HA，
Keepalived使用vrrp方式进行数据包的转发，提供4层的负载均衡，通过检测vrrp数据包来...