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Understanding prototypal inheritance in JavaScript
...e another place i can read this article?
– shockawave123
Mar 23 '16 at 22:58
"Prototypes being as they are, any proper...
Fastest way to check if a string is JSON in PHP?
...
$phone = '021234567'; var_dump(isJson($phone)); return true no! it should return false.
– vee
Jan 2 '14 at 17:12
...
How do I create a unique constraint that also allows nulls?
...et_AllowNull
UNIQUE (TicketID, TicketUnique);
If IssueID 1 has ticket 123, the UNIQUE constraint will be on values (123, NULL). If IssueID 2 has no ticket, it will be on (NULL, 2). Some thought will show that this constraint cannot be duplicated for any row in the table, and still allows multip...
SVG gradient using CSS
...4 24h168c13 0 24-11 24-24l0-47c0-13-11-24-24-24h-21v-190c0-13-11-23-24-23h-123z"></path>
</svg>
<svg height="0" width="0">
<defs>
<linearGradient id="lgrad-p" gradientTransform="rotate(75)"><stop offset="45%" stop-color="#4169e1"><...
Why can't an anonymous method be assigned to var?
...you like to be inferred for the following cases?
var x1 = (ref int y)=>123;
There is no Func<T> type that takes a ref anything.
var x2 = y=>123;
We don't know the type of the formal parameter, though we do know the return. (Or do we? Is the return int? long? short? byte?)
var x3 =...
Application auto build versioning
...ice that full package name is required. go build -ldflags "-X pkg.version=123" won't work while go build -ldflags "-X path/to/pkg.version=123" work as expected. hope it helps.
– csyangchen
Nov 25 '15 at 9:04
...
What is a “callback” in C and how are they implemented?
...
123
Here is an example of callbacks in C.
Let's say you want to write some code that allows regis...
Time complexity of Sieve of Eratosthenes algorithm
...ause we need an array of n elements in any case?
– a_123
Mar 25 '16 at 21:35
...
Dynamically set local variable [duplicate]
...ess the function locals through it:
>>> def foo():
... abc = 123
... lcl = zzz()
... lcl['abc'] = 456
... deF = 789
... print(abc)
... print(zzz())
... print(lcl)
...
>>> zzz =locals
>>> foo()
123
{'__doc__': None, '__builtins__': <module '_...
printf() formatting for hex
... output is 0XC68491C0, not 0x43A66C31C68491C0
– 123iamking
May 7 '16 at 4:16
...