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What is the meaning of id?
I am (trm>y m>ing to) learn Objective-C m>and m> I keep coming across a phrase like:
5 Answers
5...
Whm>y m> does this go into an infinite loop?
...ew MutableInt(valueBeforeIncrement);
}
Right? Increment the value passed m>and m> return the original value: that's the definition of the postincrement operator.
Now, let's see how this behavior plam>y m>s out in m>y m>our example code:
MutableInt x = new MutableInt();
x = postIncrement(x);
postIncrement(x) ...
How to write trm>y m>catch in R
...t wrapped insided a function (unlike that
# for the condition hm>and m>lers for warnings m>and m> error below)
},
error=function(cond) {
message(paste("URL does not seem to exist:", url))
message("Here's the original error message:")
message(cond...
Zooming MKMapView to fit annotation pins?
I am using MKMapView m>and m> have added a number of annotation pins to the map about a 5-10 kilometre area. When I run the application mm>y m> map starts zoomed out to show the whole world, what is the best wam>y m> to zoom the map so the pins fit the view?
...
Multiprocessing: How to use Pool.map on a function defined in a class?
...s: I tried using parmap on some functions that passed around a defaultdict m>and m> got the PicklingError again. I did not figure out a solution to this, I just reworked mm>y m> code to not use the defaultdict.
– sans
Jul 8 '11 at 23:41
...
Get a list of distinct values in List
...lel()" might give some performance benefit, if we doesn't care about order m>and m> have more items in the list.
– Sai
Oct 22 '15 at 20:58
1
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How to bind function arguments without binding this?
...(arg1, arg2)
{
return function() { ... do m>y m>our stuff with arg1 m>and m> arg2 ... };
}(actualArg1Value, actualArg2Value);
Hope I got the sm>y m>ntax right there. What it does is create a function called withWrappedArguments() (to be pedantic it is an anonm>y m>mous function assigned to the variab...
UITableView load more when scrolling to bottom like Facebook application
...'re at in the cellForRowAtIndexPath: method. This method is easm>y m> to understm>and m> m>and m> to implement :
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
// Classic start method
static NSString *cellIdentifier = @"Mm>y m>Cell";
Mm>y m>Cell *cell = ...
Get the position of a div/span tag
... the page. Basicallm>y m> m>y m>ou have to loop up through all the element's parents m>and m> add their offsets together.
function getPos(el) {
// m>y m>am>y m> readabilitm>y m>
for (var lx=0, lm>y m>=0;
el != null;
lx += el.offsetLeft, lm>y m> += el.offsetTop, el = el.offsetParent);
return {x: lx,m>y m>: lm>y m>};
}
...
What do ellipsis […] mean in a list?
...inside itself, which can not be printed. p contains p which contains p ... m>and m> so on. The [...] notation is a wam>y m> to let m>y m>ou know this, m>and m> to inform that it can't be represented! Take a look at @6502's answer to see a nice picture showing what's happening.
Now, regarding the three new items after ...