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Self-references in object literals / initializers
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Very helpful answer. More info on 'get' can be found here: developer.mozilla.org/en-US/docs/JavaScript/Reference/Operators/…
– jake
Feb 2 '13 at 16:21
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Are Exceptions in C++ really slow
...y cache misses, and thus not trivial compared to pure CPU code.
Note: for more details, read the TR18015 report, chapter 5.4 Exception Handling (pdf)
So, yes, exceptions are slow on the exceptional path, but they are otherwise quicker than explicit checks (if strategy) in general.
Note: Andrei Al...
Why do people use Heroku when AWS is present? What distinguishes Heroku from AWS? [closed]
...cture and to be able to use different web servers, then choose AWS. AWS is more time-consuming based on what service/product you choose, but can be worth it. AWS also comes with many plugin services and products.
Heroku
Platform as a Service (PAAS)
Good documentation
Has built-in tools and arch...
How can I expand and collapse a using javascript?
... options here :
Use jQuery UI's accordion - its nice, easy and fast. See more info here
Or, if you still wanna do this by yourself, you could remove the fieldset (its not semantically right to use it for this anyway) and create a structure by yourself.
Here's how you do that. Create a HTML struc...
Prevent form submission on Enter key press
...checking and most likely will only work in IE. To do this right you need a more robust solution, but you will get the general idea.
function runScript(e) {
//See notes about 'which' and 'key'
if (e.keyCode == 13) {
var tb = document.getElementById("scriptBox");
eval(tb.value...
What is the best way to detect a mobile device?
...userAgent) ) {
// some code..
}
Or you can combine them both to make it more accessible through jQuery...
$.browser.device = (/android|webos|iphone|ipad|ipod|blackberry|iemobile|opera mini/i.test(navigator.userAgent.toLowerCase()));
Now $.browser will return "device" for all above devices
Not...
Is .NET/Mono or Java the better choice for cross-platform development? [closed]
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Well....Java is actually more portable. Mono isn't implemented everywhere, and it lags behind the Microsoft implementation significantly. The Java SDK seems to stay in better sync across platforms (and it works on more platforms).
I'd also say J...
Why use non-member begin and end functions in C++11?
...w do you call .begin() and .end() on a C-array ?
Free-functions allow for more generic programming because they can be added afterwards, on a data-structure you cannot alter.
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What are the main uses of yield(), and how does it differ from join() and interrupt()?
...in one interrupt
period later. (See the section on thread scheduling for more
information on timeslices.)
Linux
Under Linux, Hotspot simply calls sched_yield(). The consequences of
this call are a little different, and possibly more severe than under
Windows:
a yielded thre...
How do I replace multiple spaces with a single space in C#?
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@Joel: Can't agree. I'm actually sure that this way is more efficient than yours for large enough strings and can be done in one single line. Where's the overkill?
– Konrad Rudolph
Nov 23 '08 at 16:27
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