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Does Java have a HashMap with reverse lookup?
...okup i<em>nem> both directio<em>nem>s. Is there a <em>nem>ame for this type of data structure, <em>a<em>nem>dem> is a<em>nem>ythi<em>nem>g like this i<em>nem>cluded i<em>nem> Java's st<em>a<em>nem>dem>ard libraries? (or maybe Apache Commo<em>nem>s?)
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What is the differe<em>nem>ce betwee<em>nem> buffer <em>a<em>nem>dem> cache memory i<em>nem> Li<em>nem>ux?
...ear what's the differe<em>nem>ce betwee<em>nem> the two Li<em>nem>ux memory co<em>nem>cepts : buffer <em>a<em>nem>dem> cache . I've read through this p<em>osem>t <em>a<em>nem>dem> it seems to me that the differe<em>nem>ce betwee<em>nem> them is the expiratio<em>nem> policy:
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JavaScript variables declare outside or i<em>nem>side loop?
...rma<em>nem>ce, i<em>nem> JavaScript or Actio<em>nem>Script.
var is a directive for the parser, <em>a<em>nem>dem> <em>nem>ot a comm<em>a<em>nem>dem> executed at ru<em>nem>-time. If a particular ide<em>nem>tifier has bee<em>nem> declared var o<em>nem>ce or more a<em>nem>ywhere i<em>nem> a fu<em>nem>ctio<em>nem> body(*), the<em>nem> all use of that ide<em>nem>tifier i<em>nem> the block will be referri<em>nem>g to the local variable. It ma...
How do I fi<em>nem>d the time differe<em>nem>ce betwee<em>nem> two datetime objects i<em>nem> pytho<em>nem>?
...<em>nem>ly holds the differe<em>nem>ce.
I<em>nem> the example above it is 0 mi<em>nem>utes, 8 seco<em>nem>ds <em>a<em>nem>dem> 562000 micr<em>osem>eco<em>nem>ds.
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What is [Serializable] <em>a<em>nem>dem> whe<em>nem> should I use it?
...lizatio<em>nem>
Serializatio<em>nem> allows the developer to save the state of a<em>nem> object <em>a<em>nem>dem> recreate it as <em>nem>eeded, providi<em>nem>g storage of objects as well as data excha<em>nem>ge. Through serializatio<em>nem>, a developer ca<em>nem> perform actio<em>nem>s like se<em>nem>di<em>nem>g the object to a remote applicatio<em>nem> by mea<em>nem>s of a Web Service, passi<em>nem>g a<em>nem> ob...
Impleme<em>nem>ti<em>nem>g two i<em>nem>terfaces i<em>nem> a class with same method. Which i<em>nem>terface method is overridde<em>nem>?
Two i<em>nem>terfaces with same method <em>nem>ames <em>a<em>nem>dem> sig<em>nem>atures. But impleme<em>nem>ted by a si<em>nem>gle class the<em>nem> how the compiler will ide<em>nem>tify the which method is for which i<em>nem>terface?
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How ca<em>nem> I add a<em>nem> item to a IE<em>nem>umerable collectio<em>nem>?
...y). But it will create a <em>nem>ew object that will list all items i<em>nem> the array, <em>a<em>nem>dem> the<em>nem> "Foo". Furthermore, that <em>nem>ew object will keep track of cha<em>nem>ges i<em>nem> the array (i.e. whe<em>nem>ever you e<em>nem>umerate it, you'll see the curre<em>nem>t values of items).
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Addi<em>nem>g a UILabel to a UIToolbar
...ll exists -- it's self.titleLabel. This example <em>nem>eeds a property declared <em>a<em>nem>dem> sy<em>nem>thesized for UILabel *titleLabel, but that code is<em>nem>'t show<em>nem>. If you have access to the object (probably a UIViewCo<em>nem>troller) that ru<em>nem>s this code, you ca<em>nem> access its titleLabel. E.g., you could add a method o<em>nem> the view...
How lo<em>nem>g should SQL email fields be? [duplicate]
...dress field is goi<em>nem>g to be arbitrary. However, I was wo<em>nem>deri<em>nem>g what the "st<em>a<em>nem>dem>ard" is? How lo<em>nem>g do you guys make it? (same questio<em>nem> for <em>Nem>ame field...)
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How do I create a<em>nem> abstract base class i<em>nem> JavaScript?
...<em>nem>ctio<em>nem>() {
throw <em>nem>ew Error("Abstract method!");
}
The A<em>nem>imal "class" <em>a<em>nem>dem> the say method are abstract.
Creati<em>nem>g a<em>nem> i<em>nem>sta<em>nem>ce would throw a<em>nem> error:
<em>nem>ew A<em>nem>imal(); // throws
This is how you "i<em>nem>herit" from it:
var Cat = fu<em>nem>ctio<em>nem>() {
A<em>nem>imal.apply(this, argume<em>nem>ts);
// Cat i<em>nem>itializatio<em>nem>....