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How does the extend() function work in jQuery?
...xtend(a,b,c) with a, b, c is object or array. The flow overrite will be b->a, c ->a (b overrite a, c override a ...) this function will return a and a also change value too.
Advanced Examples:
jQuery.extend({'number_param': 1})
In case you just pass one param. jQuery will extend itself. c...
How to map with index in Ruby?
...using Object#to_enum or Array#map:
[:a, :b, :c].map.with_index(2).to_a
#=> [[:a, 2], [:b, 3], [:c, 4]]
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How to pass a variable from Activity to Fragment, and pass it back?
...send data to your Fragment (= when you create a Blank-Fragment with File -> New -> Fragment -> Fragment(Blank) and you check "include fragment factory methods").
Put this in your Fragment:
class MyFragment: Fragment {
...
companion object {
@JvmStatic
fun n...
Why is extending native objects a bad practice?
...ginal risk.
var myString = "hello to you.";
myString.weCapitalize();
// => Hello to you.
If you continued to extend other objects, all devs would encounter them in the wild with (in this case) we, which would notify them that it was a company/app specific extension.
This does not eliminate na...
Determine function name from within that function (without using traceback)
...:
import inspect
def Foo():
print inspect.stack()[0][3]
Foo2 = Foo
>>> Foo()
Foo
>>> Foo2()
Foo
Whether that distinction is important to you or not I can't say.
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How to use find command to find all files with extensions from list?
...
find /path/to -regex ".*\.\(jpg\|gif\|png\|jpeg\)" > log
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Checking if an object is a given type in Swift
...s Circle : Shape {}
class Rectangle : Shape {}
func area (shape: Shape) -> Double {
if shape is Circle { ... }
else if shape is Rectangle { ... }
}
“Use the type check operator (is) to check whether an instance is of a certain
subclass type. The type check operator returns true if the ...
libxml/tree.h no such file or directory
...
have one more thing to do. Go to the Project build settings
(Project->Edit Project Settings->Build) and find the "Search Paths".
In "Header Search Paths" add the following path:
$(SDKROOT)/usr/include/libxml2
Also see the OP's answer.
...
Google Chrome display JSON AJAX response as tree and not as a plain text
...ee a tree view in recent versions of Chrome:
Navigate to Developer Tools > Network > the given response > Preview
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Difference between 3NF and BCNF in simple terms (must be able to explain to an 8-year old)
...apping candidate keys.
The reason is that the functional dependency X -> Y is of course true if Y is a subset of X. So in any table that has only one candidate key and is in 3NF, it is already in BCNF because there is no column (either key or non-key) that is functionally dependent on anythin...