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Why was the arguments.callee.caller property deprecated in JavaScript?
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Early versions of JavaScript did not allow named function expressions, and because of that we could not make a recursive function expression:
// This snippet will work:
function factorial(n) {
return (!(n>1))? 1 : factorial(n-1)*n;
}
[1,2,3,4,5].map(factorial);
// But this snippe...
What does apply_filters(…) actually do in WordPress?
I'm trying to understand some of the function in WordPress, but I can't get my head around what apply_filters(...) actually does.
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Bash script - variable content as a command to run
I have a Perl script that gives me a defined list random numbers that correspond to the lines of a file. Next I want to extract those lines from the file using sed .
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How to split a sequence into two pieces by predicate?
... span.
The first one, partition will put all "true" elements in one list, and the others in the second list.
span will put all elements in one list until an element is "false" (in terms of the predicate). From that point forward, it will put the elements in the second list.
scala> Seq(1,2,3,4)...
not None test in Python [duplicate]
...with default parameters. is tests identity in Python. Because there is one and only one instance of None present in a running Python script/program, is is the optimal test for this. As Johnsyweb points out, this is discussed in PEP 8 under "Programming Recommendations".
As for why this is preferred...
Help with C# generics error - “The type 'T' must be a non-nullable value type”
I'm new to C# and don't understand why the following code doesn't work.
4 Answers
4
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Warning “Do not Access Superglobal $_POST Array Directly” on Netbeans 7.4 for PHP
...st see it, use it, think they are writing better code but still not understand a thing.
– IARI
Jul 20 '15 at 9:05
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How to get the name of a function in Go?
...single function uniquely. The only guarantee is that the result is zero if and only if v is a nil func Value."
– jochen
Apr 14 '15 at 15:56
1
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create two method for same url pattern with different arguments
...}
@RequestMapping(value = "/searchUser", params = "userName")
public ModelAndView searchUserByName(@RequestParam String userName) {
// ...
}
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@Transactional(propagation=Propagation.REQUIRED)
if some one can explain what this annotation do and when exactly we use it :
4 Answers
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