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Generating an Excel file in ASP.NET [closed]
I am about to add a section to an ASP.NET app (VB.NET codebehind) that will allow a user to get data returned to them as an Excel file, which I will generate based on database data. While there are several ways of doing this, each has its own drawbacks. How would you return the data? I'm lookin...
What is a stream?
...w or sequence of data in one or both directions.
In languages such as C#, VB.Net, C++, Java etc., the stream metaphor is used for many things. There are file streams, in which you open a file and can read from the stream or write to it continuously; There are network streams where reading from and ...
When and why would you seal a class?
In C# and C++/CLI the keyword sealed (or NotInheritable in VB) is used to protect a class from any inheritance chance (the class will be non-inheritable). I know that one feature of object-oriented programming is inheritance and I feel that the use of sealed goes against this feature, it stop...
ReSharper warns: “Static field in generic type”
...Your property would be parameterized, or templated, as well.
No wonder in VB statics are called shared. In this case however, you should be aware that such "shared" members are only shared among instances of the same exact class, and not among the distinct classes produced by substituting <T>...
Why are mutable structs “evil”?
...hat would allow nearly the same semantics as struct arrays, but unless the vb.net and C# people can be pursuaded to offer a nice syntax, the code is going to be clunky-looking even if it is reasonably performance (passing a generic parameter would allow for use of a static delegate and would avoid a...
Replacing .NET WebBrowser control with a better browser, like Chrome?
...{
WBEmulator.SetBrowserEmulationVersion();
}
VB.NET:
Imports Microsoft.Win32
Imports System
Imports System.Collections.Generic
Imports System.IO
Imports System.Linq
Imports System.Security
Imports System.Text
Imports System.Threading.Tasks
Public Enum BrowserEmulation...
Why are const parameters not allowed in C#?
...ctness, every language on top of the CLR should support const correctness (VB, JavaScript, Python, Ruby, F#, etc.) That's not going to happen.
Const correctness is pretty much a language feature only present in C++. So it pretty much boils down to the same argumentation as to why the CLR does not ...
Should I compile release builds with debug info as “full” or “pdb-only”?
...'m distributing (XCOPY deploy on a LAN) the pdb along with the exe from my VB app.
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C++实现一款简单完整的聊天室服务器+客户端 - C/C++ - 清泛网 - 专注C/C++及内核技术
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注意Linux下的防火墙iptables服务是否已经启动，如果启动了，需要在/etc/sysconfig/iptables中加入例外端口8000，并重启启动防火墙
/etc/init.d/iptables restart
基于WSAAsyncSelect模型实现的聊天室图形客户端
对话框头文件ClientDlg.h
...
Using StringWriter for XML Serialization
... @SteveC: Sorry, my mistake. I hand-converted the code from VB, in which Nothing is implicitly convertible to any type. I have corrected the Deserialize code. The Serialize warning must be a Resharper-only thing, the compiler on its own doesn't object and it is legal to do.
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