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How do negative margins in CSS work and why is (margin-top:-5 != margin-bottom:5)?
...s is rather a common pitfall and the quirk is rarely described outside of w3 docos
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Undocumented NSURLErrorDomain error codes (-1001, -1003 and -1004) using StoreKit
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344
All error codes are on "CFNetwork Errors Codes References" on the documentation (link)
A smal...
Getting a better understanding of callback functions in JavaScript
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You can just say
callback();
Alternately you can use the call method if you want to adjust t...
Which equals operator (== vs ===) should be used in JavaScript comparisons?
...ct consistently with one another (except in a special case).
var a = [1,2,3];
var b = [1,2,3];
var c = { x: 1, y: 2 };
var d = { x: 1, y: 2 };
var e = "text";
var f = "te" + "xt";
a == b // false
a === b // false
c == d // false
c === d // false
e == f...
Why does Math.round(0.49999999999999994) return 1?
... pathological case.2 Java 7 no longer mandates this broken implementation.3
The problem
0.5+0.49999999999999994 is exactly 1 in double precision:
static void print(double d) {
System.out.printf("%016x\n", Double.doubleToLongBits(d));
}
public static void main(String args[]) {
double a =...
Should I put the Google Analytics JS in the or at the end of ?
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edited Jul 23 '15 at 2:19
Christopher
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answered J...
Pure JavaScript: a function like jQuery's isNumeric() [duplicate]
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edited Aug 31 '18 at 18:18
Robert Harvey
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Match all elements having class name starting with a specific string [duplicate]
...rd" for elements having a class name starting with a specific string in CSS3?
3 Answers
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HTML-encoding lost when attribute read from input field
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Chirag Soni
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answered Aug 2 '09 at 22:03
Christian C. SalvadóChristian C. Salva...
What are the differences between NP, NP-Complete and NP-Hard?
...e answer to y is yes, if and only if the answer to f(y) is yes.
Example
3-SAT. This is the problem wherein we are given a conjunction (ANDs) of 3-clause disjunctions (ORs), statements of the form
(x_v11 OR x_v21 OR x_v31) AND
(x_v12 OR x_v22 OR x_v32) AND
... AND
(x_v1n ...