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Prevent multiple instances of a given app in .NET?
In .NET, what's the best way to prevent multiple instances of an app from running at the same time? And if there's no "best" technique, what are some of the caveats to consider with each solution?
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Why can't the C# constructor infer type?
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
Is it possible to view RabbitMQ message contents directly from the command line?
...t the contents of the queue:
RabbitMQ version 3.1.5 on Fedora linux using https://www.rabbitmq.com/management-cli.html
Here are my exchanges:
eric@dev ~ $ sudo python rabbitmqadmin list exchanges
+-------+--------------------+---------+-------------+---------+----------+
| vhost | name ...
MySQL Error 1153 - Got a packet bigger than 'max_allowed_packet' bytes
...ese commands in a MySQL console connected to that same server:
set global net_buffer_length=1000000;
set global max_allowed_packet=1000000000;
(Use a very large value for the packet size.)
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Can I find out the return value before returning while debugging in Visual Studio?
...his problem. Unfortunately this is will not be part of Visual Studio 11.
https://connect.microsoft.com/VisualStudio/feedback/details/597933/add-a-return-pseudo-variable-to-the-visual-studio-debugger-for-net-code
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Capture Signature using HTML5 and iPad
...elocity) curves: demo at http://szimek.github.io/signature_pad and code at https://github.com/szimek/signature_pad.
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Call a stored procedure with parameter in c#
...As an alternative, I have a library that makes it easy to work with procs: https://www.nuget.org/packages/SprocMapper/
SqlServerAccess sqlAccess = new SqlServerAccess("your connection string");
sqlAccess.Procedure()
.AddSqlParameter("@FirstName", SqlDbType.VarChar, txtFirstName.Text)
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Accessing Google Spreadsheets with C# using Google Data API
... single sheet.
Is there any way by which I can read this information from .NET by providing the google credentials and spreadsheet address. Is it possible using Google Data APIs.
Ultimately I need to get the information from Google spreadsheet in a DataTable.
How can I do it? If anyone has attempte...
C# code to validate email address
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bool IsValidEmail(string email)
{
try {
var addr = new System.Net.Mail.MailAddress(email);
return addr.Address == email;
}
catch {
return false;
}
}
To clarify, the question is asking whether a particular string is a valid representation of an e-mail addres...
What's the difference between KeyDown and KeyPress in .NET?
What is the difference between the KeyDown and KeyPress events in .net ?
10 Answers
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