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Origin is not allowed by Access-Control-Allow-Origin
...trol-Allow-Origin * setting in the Apache configuration or htaccess file.
It should be noted that this effectively disables CORS protection, which very likely exposes your users to attack. If you don't know that you specifically need to use a wildcard, you should not use it, and instead you should ...
Get a UTC timestamp [duplicate]
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edited May 23 '17 at 12:18
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answered Nov 8 '11 at 8...
What do querySelectorAll and getElementsBy* methods return?
... other getElementsBy* methods return an array-like collection of elements. Iterate over it like you would with a real array:
var elems = document.getElementsByClassName('myElement');
for(var i = 0; i < elems.length; i++) {
elems[i].style.size = '100px';
}
If you prefer something shorter, c...
How should I validate an e-mail address?
...e an e-mail to just send a confirmation e-mail to the address provided and it it bounces then it's not valid.
If you want to perform some basic checks you could just check that it's in the form *@*
If you have some business logic specific validation then you could perform that using a regex, e.g. ...
AngularJS: How to clear query parameters in the URL?
...ct the user back to my webapp and include a "code" query param in the URL. It's a traditional Oauth 2.0 flow.
16 Answers
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Read text file into string array (and write)
The ability to read (and write) a text file into and out of a string array is I believe a fairly common requirement. It is also quite useful when starting with a language removing the need initially to access a database. Does one exist in Golang?
e.g.
...
Disabling and enabling a html input button
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edited Aug 4 '16 at 15:29
answered Dec 12 '12 at 2:16
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TypeError: 'undefined' is not a function (evaluating '$(document)')
...ordpress uses jQuery in noConflict mode by default. You need to reference it using jQuery as the variable name, not $, e.g. use
jQuery(document);
instead of
$(document);
You can easily wrap this up in a self executing function so that $ refers to jQuery again (and avoids polluting the global ...
applicationWillEnterForeground vs. applicationDidBecomeActive, applicationWillResignActive vs. appli
...when an application is waking up from being in the background and you want it to prep it to be active?
7 Answers
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Order data frame rows according to vector with specific order
...ame),]
name value
2 b TRUE
3 c FALSE
1 a TRUE
4 d FALSE
It will work as long as your target contains exactly the same elements as df$name, and neither contain duplicate values.
From ?match:
match returns a vector of the positions of (first) matches of its first argument
in its ...