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Convert a float64 to an int in Go
... in Go? I know the strconv package can be used to convert anything to or from a string, but not between data types where one isn't a string. I know I can use fmt.Sprintf to convert anything to a string, and then strconv it to the data type I need, but this extra conversion seems a bit clumsy -...
Getting error: Peer authentication failed for user “postgres”, when trying to get pgsql working with
...cation method works by obtaining the client's
operating system user name from the kernel and using it as the allowed
database user name (with optional user name mapping). This method is
only supported on local connections.
Password authentication
The password-based authentication methods...
Mod of negative number is melting my brain
...don't think this is accurate and I don't see why a modulo is any different from remainder. That's what it also says on the Modulo Operation Wikipedia page. It's just that programming languages treat negative numbers differently. The modulo operator in C# obviously counts remainders "from" zero (-9%4...
Which iomanip manipulators are 'sticky'?
...
Important notes from the comments below:
By Martin:
@Chareles: Then by this requirement all manipulators are sticky. Except setw which seems to be reset after use.
By Charles:
Exactly! and the only reason that setw appears to ...
How do I break out of a loop in Scala?
....control.Breaks using syntax that looks a lot like your familiar old break from C/Java:
import scala.util.control.Breaks._
var sum = 0
breakable { for (i <- 0 to 1000) {
sum += i
if (sum >= 1000) break
} }
(3) Put the code into a method and use return.
var sum = 0
def findSum { for (i ...
How to get a Docker container's IP address from the host
Is there a command I can run to get the container's IP address right from the host after a new container is created?
52 Ans...
Convert String to Float in Swift
I'm trying to convert numbers taken from a UITextField, which I presume, are actually Strings, and convert them to Float, so I can multiply them.
...
Html.RenderPartial() syntax with Razor
...a method that returns such a string with just a @ prefix to distinguish it from plain HTML you have on the page.
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Benchmarking (python vs. c++ using BLAS) and (numpy)
...k on our new HPC.
Both the hardware as well as the software stack changed from the setup in the original answer.
I put the results in a google spreadsheet (contains also the results from the original answer).
Hardware
Our HPC has two different nodes one with Intel Sandy Bridge CPUs and one with ...
Convert Time from one time zone to another in Rails
My created_at timestamps are stored in UTC:
5 Answers
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