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Is it possible to set the stacking order of pseudo-elements below their parent element? [duplicate]
...g context.
#element {
position: relative; /* optional */
width: 100px;
height: 100px;
background-color: blue;
}
#element::after {
content: "";
width: 150px;
height: 150px;
background-color: red;
/* create a new stacking context */
positi...
Rails 4: List of available datatypes
...SQL, you can also take advantage of these:
:hstore
:json
:jsonb
:array
:cidr_address
:ip_address
:mac_address
They are stored as strings if you run your app with a not-PostgreSQL database.
Edit, 2016-Sep-19:
There's a lot more postgres specific datatypes in Rails 4 and even more in Rails 5.
...
Getting output of system() calls in Ruby
If I call a command using Kernel#system in Ruby, how do I get its output?
15 Answers
...
get and set in TypeScript
...;
})();
So to use it,
var myFoo = new foo();
if(myFoo.bar) { // calls the getter
myFoo.bar = false; // calls the setter and passes false
}
However, in order to use it at all, you must make sure the TypeScript compiler targets ECMAScript5. If you are running the command line compil...
Why does flowing off the end of a non-void function without returning a value not produce a compiler
... C++ 6.6.3/2 is not the same in C.
gcc will give you a warning if you call it with -Wreturn-type option.
-Wreturn-type Warn whenever a function is defined with a return-type that
defaults to int. Also warn about any
return statement with no return-value
in a function whose return-type...
Is the C# static constructor thread safe?
... {
mutex.WaitOne();
return instance;
}
// Each call to Acquire() requires a call to Release()
public static void Release()
{
mutex.ReleaseMutex();
}
}
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...
Is null check needed before calling instanceof?
...
Specifically, in Item 8, he notes that in equals() methods, one instanceof operator serves two purposes - it verifies that the argument is both non-null and of the correct type. "...[S]o you don't need a separate null check."
...
Is there any particular difference between intval and casting to int - `(int) X`?
...
I did benchmarking on ideone - (int) typecast is faster x 2 ! (int):ideone.com/QggNGc , intval():ideone.com/6Y8mPN
– jave.web
Aug 12 '14 at 18:32
...
Is there a decorator to simply cache function return values?
...(maxsize=100, typed=False)
Decorator to wrap a function with a memoizing callable that saves up to the maxsize most recent calls. It can save time when an expensive or I/O bound function is periodically called with the same arguments.
Example of an LRU cache for computing Fibonacci numbers:
@lr...
Overload with different return type in Java?
...e alone is not sufficient for the compiler to figure out which function to call:
public int foo() {...}
public float foo() {..}
...
foo(); // which one?
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