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Converting String to Int with Swift
... is given a error. Because,In Swift 2.x, the .toInt() function was removed from String. In replacement, Int now has an initializer that accepts a String:
let a:Int? = Int(firstText.text) // firstText is UITextField
let b:Int? = Int(secondText.text) // secondText is UITextField
...
What “things” can be injected into others in Angular.js?
...e two versions. value works just the same way--if whatever we would return from our $get function (aka our factory function) is always exactly the same, we can write even less code using value. For example, since we always return the same function for our greeting service, we can use value to define...
C dynamically growing array
... shouldn't assume the role of a teacher, for example. I often read answers from those who seemingly don't know how to use realloc (i.e. the currently accepted answer!) telling others how to use it incorrectly, occasionally under the guise that they've omitted error handling, even though this is a co...
Difference between Lookup() and Dictionary(Of list())
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@nawfal - that's exactly what Lookups are for. From msdn: "You can create an instance of a Lookup<TKey, TElement> by calling ToLookup on an object that implements IEnumerable<T>."
– Niall Connaughton
Aug 26 '15 at 6:06
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What is the difference between an int and a long in C++?
...of(short) <= sizeof(int) <= sizeof(long) <= sizeof(long long)
// FROM @KTC. The C++ standard also has:
sizeof(signed char) == 1
sizeof(unsigned char) == 1
// NOTE: These size are not specified explicitly in the standard.
// They are implied by the minimum/maximum values that MUST ...
Difference between FetchType LAZY and EAGER in Java Persistence API?
...t; students;
// setters and getters
}
Now when you load a University from the database, JPA loads its id, name, and address fields for you. But you have two options for how students should be loaded:
To load it together with the rest of the fields (i.e. eagerly), or
To load it on-demand (i...
JavaScript: Object Rename Key
... @Ivo - I agree that it is risky, but there is nothing that will stop me from extending the prototype if I felt it lead to more expressive code. Although I am coming from an ECMAScript 5 mindset where you can mark a property as non-enumerable via Object.defineProperty.
– Chao...
ssh: connect to host github.com port 22: Connection timed out
...
I had to remove the .git from the url in order for this to work for me. url = github.com/username/repo
– Jesse Buss
Dec 21 '17 at 15:38
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Why does ConcurrentHashMap prevent null keys and values?
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From the author of ConcurrentHashMap himself (Doug Lea):
The main reason that nulls aren't allowed in ConcurrentMaps
(ConcurrentHashMaps, ConcurrentSkipListMaps) is that ambiguities that
may be just barely tolerable i...
npm command to uninstall or prune unused packages in Node.js
Is there a way to simply uninstall all unused (undeclared) dependencies from a Node.js project (ones that are no longer defined in my package.json .) When I update my application I like to have the unreferenced packages removed automatically.
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