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Limit a stream by a predicate
...tream.iterator(), wrap the Iterator to have a "take-while" implementation, and then go back to a Spliterator and then a Stream. Or -- maybe -- wrap the Spliterator, though it can't really be split anymore in this implementation.
Here's an untested implementation of takeWhile on a Spliterator:
sta...
Difference between const & const volatile
...stem, this is typically used to access hardware registers that can be read and are updated by the hardware, but make no sense to write to (or might be an error to write to).
An example might be the status register for a serial port. Various bits will indicate if a character is waiting to be read o...
Number of visitors on a specific page
...
Go to Behavior > Site Content > All Pages and put your URI into the search box.
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How to define a two-dimensional array?
...sion that could arise with the indexing, if you use "x" for both the inner and outer lists, and want a non-square Matrix.
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Why is there no tuple comprehension in Python?
...an the comprehension syntax is not needed? Perhaps not, but it is awfully handy. For the rare cases you need a tuple instead, the generator expression will do, is clear, and doesn't require the invention of another brace or bracket.
– Martijn Pieters♦
Jun 5 '...
Constants in Objective-C
I'm developing a Cocoa application, and I'm using constant NSString s as ways to store key names for my preferences.
14 ...
Checking if a key exists in a JavaScript object?
...r, if you want to particularly test for properties of the object instance (and not inherited properties), use hasOwnProperty:
obj.hasOwnProperty("key") // true
For performance comparison between the methods that are in, hasOwnProperty and key is undefined, see this benchmark
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Differences between INDEX, PRIMARY, UNIQUE, FULLTEXT in MySQL?
What are the differences between PRIMARY, UNIQUE, INDEX and FULLTEXT when creating MySQL tables?
3 Answers
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What is an idiomatic way of representing enums in Go?
...s. It is reset to 0 whenever the reserved word const appears in the source and increments after each ConstSpec. It can be used to construct a set of related constants:
const ( // iota is reset to 0
c0 = iota // c0 == 0
c1 = iota // c1 == 1
c2 = iota // c2 == 2
)
const ...
Is there a good jQuery Drag-and-drop file upload plugin? [closed]
...a look at this one: http://aquantum-demo.appspot.com/file-upload
It also handles multiple file upload!
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