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How to calculate an angle from three points? [closed]
...e (in radians) between two vectors pointing outward from one center
*
* @param p0 first point
* @param p1 second point
* @param c center point
*/
function find_angle(p0,p1,c) {
var p0c = Math.sqrt(Math.pow(c.x-p0.x,2)+
Math.pow(c.y-p0.y,2)); // p0->c (b)
va...
Javascript dynamically invoke object method from string
...mit = $(this).attr('data-before-submit');
if( beforeSubmit ){
params = beforeSubmit.split(".");
objectName = params[0];
methodName = params[1];
result = window[objectName][methodName]($(this));
if( result !== true ){
e.preventDefault();
}
...
Pure JavaScript Send POST Data Without a Form
...
someStuff = 'param1=val1&param2=val2&param3=val3'
– Camel
Jun 11 '17 at 9:10
1
...
Java URL encoding of query string parameters
.... You only need to keep in mind to encode only the individual query string parameter name and/or value, not the entire URL, for sure not the query string parameter separator character & nor the parameter name-value separator character =.
String q = "random word £500 bank $";
String url = "https...
Get margin of a View
...
try this:
View view = findViewById(...) //or however you need it
LayoutParams lp = (LayoutParams) view.getLayoutParams();
margins are accessible via
lp.leftMargin;
lp.rightMargin;
lp.topMargin;
lp.bottomMargin;
edit:
perhaps ViewGroup.MarginLayoutParams will work for you. It's a base class ...
C default arguments
...
+1 creative! It has its limitations but also brings named parameters to the table. Note that, {} (empty initializer) is an error C99.
– u0b34a0f6ae
Oct 29 '11 at 3:45
...
Missing XML comment for publicly visible type or member
...L comment for publicly visible type or member …
XML comment on … has a param tag for ‘…’, but there is no parameter by that name
Parameter ‘…’ has no matching param tag in the XML comment for ‘…’ (but other parameters do)
Solution
You can suppress every warning in Visual Studi...
Sending multipart/formdata with jQuery.ajax
...fn.serializefiles = function() {
var obj = $(this);
/* ADD FILE TO PARAM AJAX */
var formData = new FormData();
$.each($(obj).find("input[type='file']"), function(i, tag) {
$.each($(tag)[0].files, function(i, file) {
formData.append(tag.name, file);
});
...
Elasticsearch query to return all records
...
Adding to @Steve's answer, you can find a list of parameters that elasticsearch understands in this link elasticsearch.org/guide/reference/api/search/uri-request
– Karthick
Jul 31 '13 at 8:36
...
Why does a function with no parameters (compared to the actual function definition) compile?
...function is declared in the following manner:
return-type function-name(parameter-list,...) { body... }
return-type is the variable type that the function returns. This can not be an array type or a function type. If not given, then int
is assumed.
function-name is the name of the fu...