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javascript scroll event for iPhone/iPad?
...olled"); });
// or
window.onscroll = function() { alert("Scrolled"); };
// etc
(See also https://developer.apple.com/library/content/documentation/AppleApplications/Reference/SafariWebContent/HandlingEvents/HandlingEvents.html)
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How do PHP sessions work? (not “how are they used?”)
...ions in PHP are started by using the session_start( ) function. Like the setcookie( ) function, the session_start( ) function must come before any HTML, including blank lines, on the page. It will look like this:
<?php session_start( );?><html><head>
....... etc
The session_star...
Should switch statements always contain a default clause?
...you're going to need to look at the source and the values of the variables etc anyway, and the exception stacktrace will include that line number, so no need to waste your time writing more text into the exception message.
s...
Will the Garbage Collector call IDisposable.Dispose for me?
...any objects referenced by your object, or any objects referenced by those, etc. will also be protected against garbage-collection (though not against finalization) for at another generation. Thus objects with finalizers should not hold references to anything not needed for finalization.
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Why am I getting an Exception with the message “Invalid setup on a non-virtual (overridable in VB) m
...of the fake implementation you would need to check the boundary conditions etc. In theory, yes, you could mock a fake implementation. But practically it sounds like a code smell.
– Amol
Feb 21 '17 at 6:38
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Delete an element from a dictionary
... the copy module.
Note that making a copy for every dict del/assignment/etc. means you're going from constant time to linear time, and also using linear space. For small dicts, this is not a problem. But if you're planning to make lots of copies of large dicts, you probably want a different data ...
What is the difference between IEqualityComparer and IEquatable?
...(considering GetHashCode is overridden as well), Contains on List<T> etc make use of this. Implementing IEqualityComparer<T> on T doesn't help the above mentioned general cases. Subsequently, there is little value for implementing IEquatable<T> on any other class other than T. This...
Resolving ambiguous overload on function pointer and std::function for a lambda using +
...esult is the value of the argument.
The lambda is not of arithmetic type etc., but it can be converted:
[expr.prim.lambda]/3
The type of the lambda-expression [...] is a unique, unnamed non-union class type — called the closure type — whose properties are described below.
[expr.prim.lam...
How to check if std::map contains a key without doing insert?
...'s when coders succumb to the trap of paying costs in readability/dev time/etc, all for unmeasured "performance gains" that the premature optimization rhetoric becomes the right advice to give.
– VoidStar
Feb 24 '14 at 10:52
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How to create an installer for a .net Windows Service using Visual Studio
...he properties windows, you can edit the Product Name, Title, Manufacturer, etc...
Next build your installer and it will produce an MSI and a setup.exe. Choose whichever you want to use to deploy your service.
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