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How are parameters sent in an HTTP POST request?
...are what it looks like, so I won't show an example, but it can be good to know that it exists.
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Handling applicationDidBecomeActive - “How can a view controller respond to the app becoming Active?
...Active)
}
The big change here is that instead of calling a #selector, we now call the var created above. This can eliminate situations where you get invalid selector crashes.
Finally, we remove the observer.
func removeObserver() {
NotificationCenter.default.removeObserver(self, name: .UIApp...
How can I improve my paw detection?
...he paw detection algorithm is fairly fast...)
Here's a full example (now with much more detailed explanations). The vast majority of this is reading the input and making an animation. The actual paw detection is only 5 lines of code.
import numpy as np
import scipy as sp
import scipy.ndimage...
Passing arguments to C# generic new() of templated type
... from a generic class? I have posted my code in an answer below. I don't know the concrete class internally, as it's a generic class. Is there a way round this. I dont want to use the other suggestion of using property initialiser syntax as that will bypass the logic I have in the constructor
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Hidden Features of VB.NET?
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The Exception When clause is largely unknown.
Consider this:
Public Sub Login(host as string, user as String, password as string, _
Optional bRetry as Boolean = False)
Try
ssh.Connect(host, user, password)
Catch ex as TimeoutExcepti...
Meaning of $? (dollar question mark) in shell scripts
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This is even more wrong now. [ 1 ] and [ 0 ] are both true; [ without an operator checks if the argument is a non-empty string.
– tripleee
Jun 30 '19 at 17:05
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Random number generator only generating one random number
...ap when they aren't contested... and even if contested I would expect the "now do something with the number" code to dwarf the cost of the lock in most interesting scenarios.
– Marc Gravell♦
Sep 18 '09 at 15:57
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Populate a Razor Section From a Partial
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@JohnBubriski There is in Razor 2. Don't know about prev. versions.
– Shimmy Weitzhandler
Nov 26 '12 at 10:18
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How can I selectively merge or pick changes from another branch in Git?
...file (search in that page for "split").
Having split the changes, you can now cherry-pick just the ones you want.
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How do I find the length of an array?
...pression so it doesn't have any drawbacks over the macro (at least none I know of).
You can also consider using std::array from C++11 which exposes its length with no overhead over a native C array.
C++17 has std::size() in the <iterator> header which does the same and works for STL containe...