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Error: This Android SDK requires Android Developer Toolkit version 22.6.1 or above
...u are like me, having to develop for work on a machine that is locked down by IT where everything requires admin privileges...
– cking24343
May 7 '14 at 13:30
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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:...
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...
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 ...
Oracle query to fetch column names
...quivalent for information_schema.COLUMNS is USER_TAB_COLS for tables owned by the current user, ALL_TAB_COLS or DBA_TAB_COLS for tables owned by all users.
Tablespace is not equivalent to a schema, neither do you have to provide the tablespace name.
Providing the schema/username would be of use if...
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
...
Writing a compiler in its own language
... Scala. Its first compiler was created in Pizza, an experimental language by Martin Odersky. As of version 2.0, the compiler was completely re-written in Scala. From that point on, the old Pizza compiler could be completely discarded, due to the fact that the new Scala compiler could be used to c...
What is the difference between localStorage, sessionStorage, session and cookies?
...referable to sessionStorage - although you should note both can be cleared by the user so you should not rely on the continuing existence of data in either case.
localStorage and sessionStorage are perfect for persisting non-sensitive data needed within client scripts between pages (for example: pr...
What makes a SQL statement sargable?
By definition (at least from what I've seen) sargable means that a query is capable of having the query engine optimize the execution plan that the query uses. I've tried looking up the answers, but there doesn't seem to be a lot on the subject matter. So the question is, what does or doesn't make...