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how to provide a swap function for my class?
...declared in the same namespace as the type for which they are provided get selected through argument-dependent lookup over this generic version.
But note that directly using the std::swap function for a user-defined class calls the generic version of std::swap instead of the user-defined swap:
my...
Does “git fetch --tags” include “git fetch”?
...ly fetches tags on tracked branches. We have a script that allows users to select a working branch, so by default there are many branches that are not currently tracked by an individual.
– davidA
Jul 30 '09 at 22:46
...
Is it worth hashing passwords on the client side
... that such a replay attack cannot work, usually, by allowing the client to select a bunch of random bits, which are hashed along with the password, and also submitted in the clear to the server.
On the server:
generate a few bits of random
send these bits (in clear text) to the client
On the c...
Why do we need message brokers like RabbitMQ over a database like PostgreSQL?
...
PostgreSQL 9.5
PostgreSQL 9.5 incorporates SELECT ... FOR UPDATE ... SKIP LOCKED. This makes implementing working queuing systems a lot simpler and easier. You may no longer require an external queueing system since it's now simple to fetch 'n' rows that no other sess...
ExecuteReader requires an open and available Connection. The connection's current state is Connectin
...on = new SqlConnection(connectionString))
{
var queryString = "SELECT PromotionID, PromotionTitle, PromotionURL FROM Promotion WHERE PromotionID=@PromotionID";
using (var da = new SqlDataAdapter(queryString, connection))
{
// you could also use a SqlDataReader...
Which parallel sorting algorithm has the best average case performance?
...gistration which is free):
University lectures:
Parallel Partitioning for Selection and Sorting
Parallel Sorting Algorithms Lecture
Parallel Sorting Algorithms Lecture 2
Parallel Sorting Algorithms Lecture 3
Other sources and papers:
A novel sorting algorithm for many-core architectures based on ...
Difference between Rebuild and Clean + Build in Visual Studio
..., right click on the desired project name in the Solution Explorer tab and select Set as StartUp project. The project name now appears in bold. Since the homework solutions typically have only one project, Build or Rebuild Solution is effectively the same as Build or Rebuild .
Compile just compiles...
What are all the user accounts for IIS/ASP.NET and how do they differ?
...nymous Authentication entry:
Ensure that "Application pool identity" is selected:
When you come to apply file and folder permissions you grant the Application Pool identity whatever rights are required. For example if you are granting the application pool identity for the ASP.NET v4.0 pool per...
How do I use WPF bindings with RelativeSource?
...bject that is also loaded from the database, but it only has access to the selected option. I had to explicitly set Path=DataContext.Message to get the binding to work. This makes sense, given that you can do relative bindings to width/height/etc. of a control.
– DrEsperanto
...
Android: textColor of disabled button in selector not showing?
I am trying to make a button with a selector my button can have the following states:
5 Answers
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