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C# Stream流使用总结 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...类
FileStream类主要用于读取磁盘上的文件或者向磁盘文件写入信息。有时，我们需要将程序中的一些数据存储到磁盘上或是读取配置文件中某些内容，在这里我们就会用该类。
从磁盘上的文件中读取内容：
FileStream file = File.O...
Loop through each row of a range in Excel
...ckoverflow.com%2fquestions%2f1463236%2floop-through-each-row-of-a-range-in-excel%23new-answer', 'question_page');
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Last non-empty cell in a column
...ula to find the value of the last non-empty cell in a column, in Microsoft Excel?
23 Answers
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What is a correct mime type for docx, pptx etc?
...ication/vnd.ms-word.template.macroEnabled.12
.xls application/vnd.ms-excel
.xlt application/vnd.ms-excel
.xla application/vnd.ms-excel
.xlsx application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
.xltx application/vnd.openxmlformats-officedocument.spreadsheetml.te...
TCP 的那些事儿（下） - 更多技术 - 清泛网 - 专注C/C++及内核技术
...有收到成功确认的Ack，LastByteWritten指向的是上层应用正在写的地方。
于是：
接收端在给发送端回ACK中会汇报自己的AdvertisedWindow = MaxRcvBuffer – LastByteRcvd – 1;
而发送方会根据这个窗口来控制发送数据的大小，以保...
converting CSV/XLS to JSON? [closed]
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Hi @Shan Carter I want the user to just load excel file, Not to copy the content of excel, Is it possible with current code or I should fork it(If it is possible to do it). Please share your thoughts.
– Rahul Gautam
Aug 9 '13 at 9:...
How can I present a file for download from an MVC controller?
...can do this to return a FileStream:
/// <summary>
/// Creates a new Excel spreadsheet based on a template using the NPOI library.
/// The template is changed in memory and a copy of it is sent to
/// the user computer through a file stream.
/// </summary>
/// <returns>Excel report...
实现一个简单的服务端推方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...整请参考：http长连接200万尝试及调优。
首先，我们简单写一点代码实现轮询（篇幅所限省略了查询数据库的操作）：
lua_shared_dict config 1m;
server {
location /push {
content_by_lua '
local id = 0;
local ttl =...
How to keep one variable constant with other one changing with row in excel
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Use this form:
=(B0+4)/$A$0
The $ tells excel not to adjust that address while pasting the formula into new cells.
Since you are dragging across rows, you really only need to freeze the row part:
=(B0+4)/A$0
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Commenters helpfully pointed ou...
How do I use FileSystemObject in VBA?
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Within Excel you need to set a reference to the VB script run-time library.
The relevant file is usually located at \Windows\System32\scrrun.dll
To reference this file, load the
Visual Basic Editor (ALT+F11)
Select Tools > Refe...