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Why does Double.NaN==Double.NaN return false?
...fffffffL, the result is a NaN.
Also, NaN is logically treated inside the API.
Documentation
/**
* A constant holding a Not-a-Number (NaN) value of type
* {@code double}. It is equivalent to the value returned by
* {@code Double.longBitsToDouble(0x7ff8000000000000L)}.
*/
public static fina...
If a DOM Element is removed, are its listeners also removed from memory?
...out removing data and events, use .detach()
instead.
Reference: http://api.jquery.com/remove/
jQuery v1.8.2 .remove() source code:
remove: function( selector, keepData ) {
var elem,
i = 0;
for ( ; (elem = this[i]) != null; i++ ) {
if ( !selector || jQuery.filter( selec...
How do I safely pass objects, especially STL objects, to and from a DLL?
...ed heap, and deallocated from the same heap. Fortunately, Windows provides APIs to help with this: GetProcessHeap will let you access the host EXE's heap, and HeapAlloc/HeapFree will let you allocate and free memory within this heap. It is important that you not use normal malloc/free as there is no...
Complex CSS selector for parent of active child [duplicate]
... by the children it contains (updated per @Afrowave's comment ref: https://api.jquery.com/has-selector/):
$("ul").has("#someId")
will select the ul element that has a child element with id someId. Or to answer the original question, something like the following should do the trick (untested):
$(...
How to center icon and text in a android button with width set to “fill parent”
...:width="wrap_content", it will always hang to the left!
With Android 4.0 (API level 14) you can use android:drawableStart attribute to place a drawable at the start of the text. The only backward compatible solution I've come up with is using an ImageSpan to create a Text+Image Spannable:
Button b...
Best way to resolve file path too long exception
...s a quote from the link:
Maximum Path Length Limitation In the Windows API (with some exceptions discussed in the following paragraphs), the maximum length
for a path is MAX_PATH, which is defined as 260 characters. A local
path is structured in the following order: drive letter, colon,
ba...
Differences between Proxy and Decorator Pattern
...attern can be different. But nothing prevents a Proxy from having the same API as its delegatee. Decorator is a strict subset of Proxy, but a Decorator might still be called a Proxy depending on whether the underlying API is guaranteed to be the same.
– cdunn2001
...
Java Reflection: How to get the name of a variable?
...
Then how do you explain this: java.sun.com/javase/6/docs/api/java/lang/reflect/Field.html ?
– Outlaw Programmer
Apr 13 '09 at 15:22
1
...
Is it possible to make the -init method private in Objective-C?
... new instances to be created, then a developer who's not familiar with the API may use alloc and init and have their code function incorrectly because they have the right class, but the wrong instance. This is the essence of the principle of encapsulation in OO. You hide things in your APIs that o...
Java Delegates?
...interface event handling, and have been used to
implement a user-interface API at least as comprehensive as the
Windows Foundation Classes.
We believe bound method references are harmful because they detract
from the simplicity of the Java programming language and the
pervasively object-oriented cha...