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What is “callback hell” and how and why does RX solve it?
... });
});
I don't think I need to convince anyone that this version is uglier than the previous one. :-)
2) When (in what kind of settings) does the "callback hell problem" occur?
When you have lots of callback functions in your code! It gets harder to work with them the more of them you have in ...
Are arrays in PHP copied as value or as reference to new variables, and when passed to functions?
... => int 10
1 => int 20
Which indicates the function has not modified the "outside" array that was passed as a parameter : it's passed as a copy, and not a reference.
If you want it passed by reference, you'll have to modify the function, this way :
function my_func(& $a) {
$a[] =...
Separate REST JSON API server and client? [closed]
...te a bunch of web apps from scratch. (See http://50pop.com/code for overview.) I'd like for them to be able to be accessed from many different clients: front-end websites, smartphone apps, backend webservices, etc. So I really want a JSON REST API for each one.
...
How can I add reflection to a C++ application?
...native C++ here, not managed C++, which has reflection. I realise C++ supplies some limited information using RTTI. Which additional libraries (or other techniques) could supply this information?
...
Maintain the aspect ratio of a div with CSS
...t equal to 75% of the width of its container (a 4:3 aspect ratio).
This relies on the fact that for padding :
The percentage is calculated with respect to the width of the generated box's containing block [...] (source: w3.org, emphasis mine)
Padding-bottom values for other aspect ratios and 100%...
Difference between jQuery `click`, `bind`, `live`, `delegate`, `trigger` and `on` functions (with an
...fires all click event handlers for this element, in order bound
You can view a listing including these shortcuts here.
As for the difference, .trigger() triggers the event handler (but not the default action most of the time, e.g. placing the cursor at the right spot in a clicked <textarea>...
Optional Parameters with C++ Macros
...INT_STRING("Hello, World!", 18, bold);
return 0;
}
This makes it easier for the caller of the macro, but not the writer.
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Is std::vector so much slower than plain arrays?
... not be an issue for this simple class but anything slightly more complex (ie with pointers or members with pointers) will cause problems.
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How to check if two arrays are equal with JavaScript? [duplicate]
...
Option 1
Easiest option, works in almost all cases, except that null!==undefined but they both are converted to JSON representation null and considered equal:
function arraysEqual(a1,a2) {
/* WARNING: arrays must not contain {object...
Is it .yaml or .yml?
...orld-Wide Web deprecated it in the 90s. It's offensive that anybody even tries to care. Enough so that I'd file a bug against any piece of software that breaks because of it.
– Dave
Aug 1 '16 at 17:16
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