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What does 'public static void' mean in Java?
...s/object or outside of the package or class
static means constant in which block of statement used only 1 time
void means no return type
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JavaScript before leaving the page
...fore the page is unloaded, but you cannot redirect from there (Chrome 14+ blocks alerts inside onunload):
window.onunload = function() {
alert('Bye.');
}
Or with jQuery:
$(window).unload(function(){
alert('Bye.');
});
...
How to apply multiple transforms in CSS?
...family: sans-serif;
font-size: 22px;
color: #000;
display: inline-block;
}
.orderOne {
transform: scale(1, 1.5) rotate(90deg);
}
.orderTwo {
transform: rotate(90deg) scale(1, 1.5);
}
<div class="orderOne">
A
</div>
<div class="orderTwo">
A
</d...
Command substitution: backticks or dollar sign / paren enclosed? [duplicate]
...l questions/issues here, so I'll repeat each section of the poster's text, block-quoted, and followed by my response.
What's the preferred syntax, and why? Or are they pretty much interchangeable?
I would say that the $(some_command) form is preferred over the `some_command` form. The second f...
Check existence of input argument in a Bash shell script
... You probably want to add an exit 1 at the end of your echos inside the if block when the argument is required for the script to function. Obvious, but worth noting for completeness.
– msanford
Feb 5 '13 at 16:37
...
ipad safari: disable scrolling, and bounce effect?
... function(e) {
e.preventDefault();
}
);
This will block the vertical scrolling and also any bounce back effect occurring on your pages.
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How to style a div to be a responsive square? [duplicate]
... background: #4679BD;
}
.square-box:before{
content: "";
display: block;
padding-top: 100%;
}
.square-content{
position: absolute;
top: 0;
left: 0;
bottom: 0;
right: 0;
color: white;
text-align: center;
}
http://jsfiddle.net/38Tnx/1425/
...
Stack Memory vs Heap Memory [duplicate]
...mory is much as rskar says. In general, C++ objects allocated with new, or blocks of memory allocated with the likes of malloc end up on the heap. Heap memory almost always must be manually freed, though you should really use a smart pointer class or similar to avoid needing to remember to do so. Ru...
What is the difference between JSON and Object Literal Notation?
...ge-independent, meaning they can be processed by Java, Python, JavaScript, PHP, you name it.
In contrast, JavaScript is a programming language. Of course JavaScript also provides a way to define/describe data, but the syntax is very specific to JavaScript.
As a counter example, Python has the conc...
What does the keyword Set actually do in VBA?
... and not helpful for people arriving here with the Object variable or With block variable not set error from VBA :)
– AJP
Mar 8 '12 at 22:18
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