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为什么你得学些 TCP 的知识？ - 更多技术 - 清泛网 - 专注C/C++及内核技术
...收确认通知之后才能发送。这是 Nagle 算法导致的。
转换到连接的另一端，HAProxy 需要决定如何确认这两个包。在 1.4.18 版本中（我们正在用的版本），它是通过 TCP 延迟确认通知来实现的。延迟确认对 Nagle 算法有非常糟糕的...
How to create streams from string in Node.Js?
I am using a library, ya-csv , that expects either a file or a stream as input, but I have a string.
11 Answers
...
LINQPad [extension] methods [closed]
...er than Environment.UserDomainName+@"\"+Environment.UserName.
Util.WriteCsv
(new: available since LinqPad version v4.45.05 (beta))
Util.WriteCsv (Customers, @"c:\temp\customers.csv");
This will write the content of the table Customers to the CSV file c:\temp\customers.csv. You can also find a...
php发送get、post请求的几种方法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...rray ('foo' => 'bar');
//生成url-encode后的请求字符串，将数组转换为字符串
$data = http_build_query($data);
$opts = array (
<span style="white-space:pre"> </span>'http' => array (
<span style="white-space:pre"> </span>'method' => 'POST',
<span style="white-space:pre"> </...
How to allow download of .json file with ASP.NET
... I added two staticContent mimeMap's, one for JSON (necessary) and one for CSV (redundant, I assumed it was necessary, but the IISExpress applicationConfig already had CSV). Therefore I got this error anytime I tried to access any staticfile: Cannot add duplicate collection entry of type 'mimeMap' w...
How does one reorder columns in a data frame?
...e above question do df2[,c(1,3,2,4)]
If you want to output this file as a csv, do write.csv(df2, file="somedf.csv")
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Programmatically access currency exchange rates [closed]
...le, to convert from GBP to EUR:
http://download.finance.yahoo.com/d/quotes.csv?s=GBPEUR=X&f=sl1d1t1ba&e=.csv
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Best way to do multi-row insert in Oracle?
...0) primary key, description varchar2(20));
Table created.
SQL>
Create CSV
oracle-2% cat ldr_test.csv
1,Apple
2,Orange
3,Pear
oracle-2%
Create Loader Control File
oracle-2% cat ldr_test.ctl
load data
infile 'ldr_test.csv'
into table ldr_test
fields terminated by "," optionally enclosed...
How to refer to relative paths of resources when working with a code repository
...nside the project refer to one of the non-Python resources in the project (CSV files, etc.)?
8 Answers
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Commenting in a Bash script inside a multiline command
...9]*\)/\n\1/g' -e 's/,$//' | \
# one more sed call and then send it to the CSV file
sed -e 's/^/"/g' -e 's/$/"/g' -e 's/,/","/g' >> ${CSV}
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