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Is it good practice to use java.lang.String.intern()?
...vor to String.equals()
when you need speed since you can compare strings by reference (== is faster than equals)
Are there side effects not mentioned in the Javadoc?
The primary disadvantage is that you have to remember to make sure that you actually do intern() all of the strings that you'r...
How is Racket different from Scheme?
...
@Zorf It can easily be changed by overloading #%app, though: #lang racket (require (rename-in racket [#%app old])) (define-syntax #%app (syntax-rules () [(_) '()] [(_ . rest) (old . rest)])) (null? ()) ;; => #t
– Suzanne Dupéron
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Algorithm to find Largest prime factor of a number
...ding 1 each time, you can iterate separately for d=2 and then increment it by 1 and then from d=3 onwards you can increment by 2. so it will decrease the number of iterations... :)
– tailor_raj
Nov 19 '13 at 9:13
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What exactly does a jar file contain?
...data about the jar itself). It's hard to compare C to Java really, as Java byte code maintains a lot more metadata than most binary formats - but the class file is compiled code instead of source code.
If you either open the jar file with a zip utility or run jar xf foo.jar you can extract the file...
Why doesn't RecyclerView have onItemClickListener()?
...tener = listener;
txtViewTitle = (TextView) itemLayoutView.findViewById(R.id.item_title);
imgViewIcon = (ImageView) itemLayoutView.findViewById(R.id.item_icon);
imgViewIcon.setOnClickListener(this);
itemLayoutView.setOnClickListener(this);
}
@Override
pub...
Access parent DataContext from DataTemplate
...But, here is another approach for gaining access to the parent DataContext by directly referencing an element of which you know the data context. It uses Binding ElementName and works quite well, as long as you respect your own naming and don't have heavy reuse of templates/styles across components:...
How to store int[] array in application Settings
...nctions or wrappers.
The thing is, that VS allows to serialize int[] type by default in the settings file - it just doesn't allow you to select it by default.
So, create a setting with desired name (e.g. SomeTestSetting) and make it of any type (e.g. string by default).
Save the changes.
Now go to...
is node.js' console.log asynchronous?
... quick
}
var start = Date.now();
console.log(data);
console.log('wrote %d bytes in %dms', data.length, Date.now() - start);
Result
....a lot of ones....1111111111111111
wrote 208896 bytes in 17ms
real 0m0.969s
user 0m0.068s
sys 0m0.012s
The terminal needs around 1 seconds to print out ...
What is the strict aliasing rule?
... object that is not of a compatible type or one of the other types allowed by C 2011 6.5 paragraph 71 is undefined behavior. Unfortunately, you can still code this way, maybe get some warnings, have it compile fine, only to have weird unexpected behavior when you run the code.
(GCC appears somewhat ...
How can I install a local gem?
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I download a gem such as rubygems in zip format. So there is no .gem file here. How do I install this from local ? Thank you.
– Erran Morad
Jan 10 '15 at 0:15
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