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Forward host port to docker container
Is it possible to have a Docker container access ports opened by the host? Concretely I have MongoDB and RabbitMQ running on the host and I'd like to run a process in a Docker container to listen to the queue and (optionally) write to the database.
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How to determine programmatically whether a particular process is 32-bit or 64-bit
...tch (Win32Exception ex)
{
if (ex.NativeErrorCode != 0x00000005)
{
throw;
}
}
}
Console.ReadLine();
}
private static bool IsWin64Emulator(this ...
What is the easiest way to make a C++ program crash?
...ry, and is defined as "causing abnormal program termination" (e.g, a fatal error or crash).
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How to define optional methods in Swift protocol?
...st leave empty */
}
}
struct MyStruct: MyProtocol {
/* no compile error */
}
Advantages
No Objective-C runtime is involved (well, no explicitly at least). This means you can conform structs, enums and non-NSObject classes to it. Also, this means you can take advantage of powerful generi...
Max or Default?
...nce DefaultIfEmpty isn't implemented in LINQ to SQL, I did a search on the error it returned and found a fascinating article that deals with null sets in aggregate functions. To summarize what I found, you can get around this limitation by casting to a nullable within your select. My VB is a little ...
What is `params.require(:person).permit(:name, :age)` doing in Rails 4?
...rameter is present, and if it's not provided, the require method throws an error. It returns an instance of ActionController::Parameters for the key passed into require.
The permit method returns a copy of the parameters object, returning only the permitted keys and values. When creating a new Acti...
How to add an auto-incrementing primary key to an existing table, in PostgreSQL?
...h this solution is that if the table already contains rows then you get an error: SQL Error [23502]: ERROR: column "id" contains null values
– isapir
Mar 7 '18 at 16:30
3
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How to create a file in memory for user to download, but not through server?
...
Other answers led to Failed: network error in Chrome. This one works well.
– juniper-
Sep 27 '17 at 19:25
4
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Most efficient way to cast List to List
...If you heed compiler warnings about type safety, you will avoid these type errors at runtime.
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PHP - Extracting a property from an array of objects
...ray_map with create_function in it you will always get an Out of memory... error sometime. So don't use create_function and use array_map(function($o) { return $o->id; }, $objects);
– algorhythm
Sep 12 '14 at 11:47
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