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Altering column size in SQL Server
How to change the column size of the salary column in the employee table from numeric(18,0) to numeric(22,5)
6 Answe...
How to redirect to a dynamic login URL in ASP.NET MVC
I'm creating a multi-tenancy web site which hosts pages for clients. The first segment of the URL will be a string which identifies the client, defined in Global.asax using the following URL routing scheme:
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vs in Generics
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The out keyword in generics is used to denote that the type T in the interface is covariant. See Covariance and contravariance for details.
The classic example is IEnumerable<out T>. Since IEnumerable<out T> is covariant, you...
What is a stored procedure?
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Stored procedures are a batch of SQL statements that can be executed in a couple of ways. Most major DBMs support stored procedures; however, not all do. You will need to verify with your particular DBMS help documentation for specifics. As I am most familiar with SQL Server I will use that as...
How does generic lambda work in C++14?
How does generic lambda work ( auto keyword as an argument type) in C++14 standard?
3 Answers
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Perform debounce in React.js
How do you perform debounce in React.js?
34 Answers
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How can I propagate exceptions between threads?
We have a function which a single thread calls into (we name this the main thread). Within the body of the function we spawn multiple worker threads to do CPU intensive work, wait for all threads to finish, then return the result on the main thread.
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What HTTP status response code should I use if the request is missing a required parameter?
I am thinking 412 (Precondition Failed) but there may be a better standard?
12 Answers
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C# Events and Thread Safety
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The JIT isn't allowed to perform the optimization you're talking about in the first part, because of the condition. I know this was raised as a spectre a while ago, but it's not valid. (I checked it with either Joe Duffy or Vance Morrison a while ago; I can't remember which.)
Without ...
Postgres and Indexes on Foreign Keys and Primary Keys
Does Postgres automatically put indexes on Foreign Keys and Primary Keys? How can I tell? Is there a command that will return all indexes on a table?
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