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HTML5 Canvas Resize (Downscale) Image High Quality?
...age width
var sh = cv.height; // source image height
var tw = Math.floor(sw * scale); // target image width
var th = Math.floor(sh * scale); // target image height
var sx = 0, sy = 0, sIndex = 0; // source x,y, index within source array
var tx = 0, ty = 0, yIndex = 0, tIndex = 0;...
Parsing JSON array into java.util.List with Gson
... "photo_url": "image/den.jpg"
},
{
"description": "Floor Plan",
"photo_url": "image/floor_plan.jpg"
}
]
}
2. Java class with the List
public class FocusArea {
@SerializedName("name")
private String mName;
@SerializedName("gallery")
p...
Most efficient way to create a zero filled JavaScript array?
...an array with 10 random numbers:
> Array.from(Array(10), () => Math.floor(10 * Math.random()))
< [3, 6, 8, 1, 9, 3, 0, 6, 7, 1]
It's more concise (and elegant) than the equivalent:
const numbers = Array(10);
for (let i = 0; i < numbers.length; i++) {
numbers[i] = Math.round(10 * ...
Set the selected index of a Dropdown using jQuery
...
JQuery code:
$("#sel_status").prop('selectedIndex',1);
Jsp Code:
Status:
<select name="sel_status"
id="sel_status">
<option value="1">-Status-</option>
<option>ALL</option>
<option>SENT</option>
<option>RECEIVED...
What does appending “?v=1” to CSS and Javascript URLs in link and script tags do?
...is by appending version number, random number or timestamp to the URL e.g: JSP: <script src="js/excel.js?time=<%=new java.util.Date()%>"></script>
In case you're running pure HTML (instead of server pages JSP, ASP, PHP) the server won't help you. In browser, links are loaded befo...
How to create war files
...asedir}/src: Java files, properties, XML config files
${basedir}/web: Your JSP files
${basedir}/web/lib: Any JARs required at runtime
${basedir}/web/META-INF: Your manifest
${basedir}/web/WEB-INF: Your web.xml files
Set up
Define a setup task that creates the distribution directory and copies any...
browser sessionStorage. share between tabs?
...earing between browser tabs for a java application. This will work for IE
(JSP/Servlet)
In your first JSP page, onload event call a servlet (ajex call) to setup a "window.title" and event tracker in the session(just a integer variable to be set as 0 for first time)
Make sure none of the other pag...
Difference between array_map, array_walk and array_filter
...ay(2.4, 2.6, 3.5);
$origarray2 = array(2.4, 2.6, 3.5);
print_r(array_map('floor', $origarray1)); // $origarray1 stays the same
// changes $origarray2
array_walk($origarray2, function (&$v, $k) { $v = floor($v); });
print_r($origarray2);
// this is a more proper use of array_walk
array_walk($...
CSS margin terror; Margin adds space outside parent element [duplicate]
...
&:before {content: "\a0"; display: block; width: auto; margin-bottom: floor(-1 * @xf-lineHeightDefault * @xf-fontSizeSmall - @xf-borderSizeMinorFeature);}
&:after {content: "\a0"; display: block; width: auto; margin-top: floor(-1 * @xf-lineHeightDefault * @xf-fontSizeSmall - @xf-borderSizeM...
How to round up a number to nearest 10?
...
floor() will go down.
ceil() will go up.
round() will go to nearest by default.
Divide by 10, do the ceil, then multiply by 10 to reduce the significant digits.
$number = ceil($input / 10) * 10;
Edit: I've been doin...