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Why does ++[[]][+[]]+[+[]] return the string “10”?
... itself.
In this case, + sees two operands: a number and an array. It’s now trying to coerce the two into the same type. First, the array is coerced into the string "0", next, the number is coerced into a string ("1"). Number + String === String.
"1" + "0" === "10" // Yay!
Specification deta...
How can I use MS Visual Studio for Android Development?
... Step 5 - VS android v0.95 - 22nd May 2013 Visual Studio 2012 is now fully supported.
– Maitus
May 22 '13 at 17:39
2
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How to install Homebrew on OS X?
...
Warning: The Ruby Homebrew installer is now deprecated and has been rewritten in Bash. Please migrate to the following command: /bin/bash -c "$(curl -fsSL raw.githubusercontent.com/Homebrew/install/master/install.sh)"
– App Work
...
How to use Class in Java?
... what they really do behind the scenes over at this question , so we all know that Vector<int[]> is a vector of integer arrays, and HashTable<String, Person> is a table of whose keys are strings and values Person s.
However, what stumps me is the usage of Class<> .
...
Doing a cleanup action just before Node.js exits
...r-LucGendreau where does this specific code go?
– hownowbrowncow
Mar 28 '16 at 20:04
11
I've foun...
Fixed position but relative to container
...
Short answer: no. (It is now possible with CSS transform. See the edit below)
Long answer: The problem with using "fixed" positioning is that it takes the element out of flow. thus it can't be re-positioned relative to its parent because it's as if ...
How much does it cost to develop an iPhone application? [closed]
...wa) $50-150K estimate with the 22 day Obama app.
Take another hit, dude.
Now if you want to build backend services for your app, that number's going to go up even more. Everyone seems surprised that Instagram chewed through $500K in venture funding to build a new frontend and backend. I'm not.
...
Python try-else
... print('if this prints, we had no error!') # won't print!
print('And now we have left the try block!') # will print!
And now,
>>> handle_error()
handled a RuntimeError, no big deal.
And now we have left the try block!
...
Using “Object.create” instead of “new”
...bject.create has any advantages over using new. On the contrary there are known problems with it. Sam Elsamman describes what happens when there are nested objects and Object.create(...) is used:
var Animal = {
traits: {},
}
var lion = Object.create(Animal);
lion.traits.legs = 4;
var bird = Obj...
Solr vs. ElasticSearch [closed]
...
Update
Now that the question scope has been corrected, I might add something in this regard as well:
There are many comparisons between Apache Solr and ElasticSearch available, so I'll reference those I found most useful myself, i....