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iPad keyboard will not dismiss if modal ViewController presentation style is UIModalPresentationForm
... navigation controller when you present a modal form sheet. See the answer from @miha-hribar below.
– Pascal
Oct 27 '12 at 0:20
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How to print to console when using Qt
...function that Qt provides for sending output to stderr that can be removed from compilation with a define. So it is an alternative for achieving output to the console at runtime.
– Arnold Spence
Oct 7 '10 at 23:23
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Declaring abstract method in TypeScript
... full support for polymorphism and the ability to call implemented methods from the base class. Let's start with the code:
/**
* The interface defines all abstract methods and extends the concrete base class
*/
interface IAnimal extends Animal {
speak() : void;
}
/**
* The abstract base cla...
What’s the difference between “Array()” and “[]” while declaring a JavaScript array?
...mance increase when using new Array() because you can prevent the overflow from happening.
As pointed out in this answer, new Array(5) will not actually add five undefined items to the array. It simply adds space for five items. Be aware that using Array this way makes it difficult to rely on array...
Convert Data URI to File then append to FormData
...t works with WebKit browsers. Part of the task is to extract an image file from the canvas object and append it to a FormData object for upload.
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getActivity() returns null in Fragment function
...s. The onAttach call is where the Fragment is attached to its activity and from this point getActivity() will return non-null (nb there is also an onDetach() call).
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Why am I getting a NoClassDefFoundError in Java?
...ssarily true and will be misleading to many people! See the better answer from Jared below.
– Dave L.
Aug 31 '16 at 16:42
4
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Sorting list based on values from another list?
...rted().
using a list comprehension extract the first elements of each pair from the sorted, zipped list.
For more information on how to set\use the key parameter as well as the sorted function in general, take a look at this.
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Creating a BLOB from a Base64 string in JavaScript
I have Base64-encoded binary data in a string:
12 Answers
12
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Volatile vs Static in Java
...riable for each Object. So, on the surface it seems there is no difference from a normal variable but totally different from static. However, even with Object fields, a thread may cache a variable value locally.
This means that if two threads update a variable of the same Object concurrently, and t...