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C++ new int[0] — will it allocate memory?
...t does the standard say about this? Is it always legal to "allocate" empty block of memory?
Every object has a unique identity, i.e. a unique address, which implies a non-zero length (the actual amount of memory will be silently increased, if you ask for zero bytes).
If you allocated more than on...
How to disable margin-collapsing?
...is behaviour are:
float: left / right
position: absolute
display: inline-block / flex
You can test all of them here: http://jsfiddle.net/XB9wX/1/.
I should add that, as usual, Internet Explorer is the exception. More specifically, in IE 7 margins do not collapse when some kind of layout is spec...
When to use , tag files, composite components and/or custom components?
... @BalusC Let's say I have a bunch of HTML and JSF that create a 'block' that allows me to add or remove Addresses (and all of it's attributes: street, number, city, etc). I need to use that same block in 2 or 3 pages. Does that fall under your description of a Composite Component?
...
Quickly create a large file on a Linux system
...st choice, but dd is essentially a copy and that forces you to write every block of data (thus, initializing the file contents)... And that initialization is what takes up so much I/O time. (Want to make it take even longer? Use /dev/random instead of /dev/zero! Then you'll use CPU as well as I/O ti...
How do BitTorrent magnet links work?
...test it by deleting the config files (~/.config/transmission on unix), and blocking all communication to dht.transmissionbt.com, and see what happens (wait 240 seconds at least).
So it appears the client has a bootstrap node built in to start with. Of course, once it has gotten into the network, it...
How to timeout a thread
... finishes. You can intercept the timeout in the catch (TimeoutException e) block.
Update: to clarify a conceptual misunderstanding, the sleep() is not required. It is just used for SSCCE/demonstration purposes. Just do your long running task right there in place of sleep(). Inside your long running...
How to horizontally center a
...{
width: 100%;
text-align: center;
}
#inner {
display: inline-block;
}
<div id="outer">
<div id="inner">Foo foo</div>
</div>
That makes the inner div into an inline element that can be centered with text-align.
...
How to use the “required” attribute with a “radio” input field
...red radio buttons with native HTML5 validation:
fieldset {
display: block;
margin-left: 0;
margin-right: 0;
padding-top: 0;
padding-bottom: 0;
padding-left: 0;
padding-right: 0;
border: none;
}
body {font-size: 15px; font-family: serif;}
input {
background: transparent;
bord...
How to create a dialog with “yes” and “no” options?
...et to provide a message. You can emulate a dialog in HTML (though it won't block like the built-in one). jQuery Dialog is a good example of implementing this kind of thing.
– s4y
Apr 19 '13 at 17:00
...
Why is the parent div height zero when it has floated children
...ng overflow: hidden on the container will avoid that by establishing a new block formatting context. See methods for containing floats for other techniques and containing floats for an explanation about why CSS was designed this way.
...