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Iteration over std::vector: unsigned vs signed index variable
...; value; ... */
Using indices
for(std::vector<int>::size_type i = 0; i != v.size(); i++) {
/* std::cout << v[i]; ... */
}
Using arrays
Using iterators
for(element_type* it = a; it != (a + (sizeof a / sizeof *a)); it++) {
/* std::cout << *it; ... */
}
Using Range ...
Script to get the HTTP status code of a list of urls?
...url -o /dev/null --silent --head --write-out '%{http_code}\n' <url>
200
-o /dev/null throws away the usual output
--silent throws away the progress meter
--head makes a HEAD HTTP request, instead of GET
--write-out '%{http_code}\n' prints the required status code
To wrap this up in a comp...
Truly understanding the difference between procedural and functional
...dural style:
function allOdd(words) {
var result = true;
for (var i = 0; i < length(words); ++i) {
var len = length(words[i]);
if (!odd(len)) {
result = false;
break;
}
}
return result;
}
I'll take it as a given that this example is comprehensible. Now, functio...
Exception handling in R [closed]
...
answered Apr 12 '10 at 15:52
Dirk EddelbuettelDirk Eddelbuettel
318k4848 gold badges574574 silver badges653653 bronze badges
...
How do I clone a generic list in C#?
...
answered Oct 21 '08 at 16:58
ajmajm
4,13411 gold badge1414 silver badges77 bronze badges
...
Finding element's position relative to the document
...p level of the DOM.
function getOffsetLeft( elem )
{
var offsetLeft = 0;
do {
if ( !isNaN( elem.offsetLeft ) )
{
offsetLeft += elem.offsetLeft;
}
} while( elem = elem.offsetParent );
return offsetLeft;
}
...
Sort array of objects by object fields
... |
edited Jul 7 at 17:00
answered Nov 26 '10 at 3:53
ca...
Define css class in django Forms
...|
edited Jun 27 '15 at 19:02
answered Jan 13 '11 at 1:56
Mi...
What is the direction of stack growth in most modern systems?
...dings only for down (LDMIA = increment after, STMDB = decrement before).
6502: down (but only 256 bytes).
RCA 1802A: any way you want, subject to SCRT implementation.
PDP11: down.
8051: up.
Showing my age on those last few, the 1802 was the chip used to control the early shuttles (sensing if the...
Calling class staticmethod within the class body?
..... global z
... z = foo
>>> z
<staticmethod object at 0x0000000002E40558>
>>> Foo.foo
<function foo at 0x0000000002E3CBA8>
>>> dir(z)
['__class__', '__delattr__', '__doc__', '__format__', '__func__', '__get__', '__getattribute__', '__hash__', '__init__...