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How to check if an element is in an array
...ins function has been made into a pair of extension method on Array, which allow you to do either of:
let a = [ 1, 2, 3, 4 ]
a.contains(2) // => true, only usable if Element : Equatable
a.contains { $0 < 1 } // => false
...
ASP.NET 2.0 - How to use app_offline.htm
...own/update sites in the past without any issues.
Be sure that you are actually placing the "app_offline.htm" file in the "root" of the website that you have configured within IIS.
Also ensure that the file is named exactly as it should be: app_offline.htm
Other than that, there should be no othe...
sed command with -i option failing on Mac, but works on Linux
...files because it is impossible to find a mix of sed commands that works on all cases:
sed -i -e ... - does not work on OS X as it creates -e backups
sed -i'' -e ... - does not work on OS X 10.6 but works on 10.9+
sed -i '' -e ... - not working on GNU
Note Given that there isn't a sed command wor...
What's the point of having pointers in Go?
I know that pointers in Go allow mutation of a function's arguments, but wouldn't it have been simpler if they adopted just references (with appropriate const or mutable qualifiers). Now we have pointers and for some built-in types like maps and channels implicit pass by reference.
...
How to display default text “--Select Team --” in combo box on pageload in WPF?
... Simple and working solution. WPF controls have this kind of problems all over the framework. Here and there, controls are missing features that most developers would need. As the result, developers waste their time searching for solutions, buying third-party alternative controls, or implementi...
What is the meaning of id?
... but those objects must respond to retain and release.
The compiler is totally happy for you to implicitly cast any object to id, and for you to cast id to any object. This is unlike any other implicit casting in Objective-C, and is the basis for most container types in Cocoa.
...
Java: function for arrays like PHP's join()?
...
This is clearly the best answer for all Android versions, as Java 8 is only coming out on Android in a bit. This solution uses the built in Android libs, rather than these silly "include a huge lib to perform one action" solutions.
– LukeS...
Favicon not showing up in Google Chrome [duplicate]
...rver). Only if the file/icon would be in the downloads directory chrome is allowed to load this data - more information about this can be found here: local (file://) website favicon works in Firefox, not in Chrome or Safari- why?
Renaming
Try to rename it from favicon.{whatever} to {yourfaviconnam...
What is the purpose of “return await” in C#?
...n async method behave differently: when combined with using (or, more generally, any return await in a try block).
Consider these two versions of a method:
Task<SomeResult> DoSomethingAsync()
{
using (var foo = new Foo())
{
return foo.DoAnotherThingAsync();
}
}
async Tas...
Why use softmax as opposed to standard normalization?
...harper image? This is simply a matter of scaling and both cases are essentially the same. If anything, this should seem to support standard normalization, which correctly considers the two cases equivalent.
– user118967
Jun 5 '19 at 5:07
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