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How to save a PNG image server-side, from a base64 data string
...ay that discussed topic is documented in RFC 2397 - The "data" URL scheme (https://tools.ietf.org/html/rfc2397)
Because of this PHP has a native way to handle such data - "data: stream wrapper" (http://php.net/manual/en/wrappers.data.php)
So you can easily manipulate your data with PHP streams:
$...
How can I get jQuery to perform a synchronous, rather than asynchronous, Ajax request?
...its detrimental effects to the end user's experience. For more help, check https://xhr.spec.whatwg.org/.
This could break your page if you are doing something like this since it could stop working any day.
If you want to do it a way that still feels like if it's synchronous but still don't block ...
Prevent BODY from scrolling when a modal is opened
...uces .modal-open on the body (so we can nuke the scroll there)
See this: https://github.com/twitter/bootstrap/pull/6342 - look at the Modal section.
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How do I call some blocking method with a timeout in Java?
...thread.interrupt() on the blocking thread
This course about concurrency https://www.udemy.com/java-multithreading-concurrency-performance-optimization/?couponCode=CONCURRENCY
really walks through those fundamentals if you really want to understand how it works in Java. It actually talks about th...
How to style the parent element when hovering a child element?
... lightgray;
}
.letter:hover {
background: grey;
}
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<div id="word">
<div class="letter">T</div>
<div class="letter">E</div>
<div class="letter">S...
How to select where ID in Array Rails ActiveRecord without exception
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
Unable to understand useCapture parameter in addEventListener
I have read article at https://developer.mozilla.org/en/DOM/element.addEventListener but unable to understand useCapture attribute. Definition there is:
...
How to use git with gnome-keyring integration
...OME has deprecated libgnome-keyring and replaced it with libsecret. Commit https://github.com/git/git/commit/87d1353a6a added a new credential helper /usr/libexec/git-core/git-credential-libsecret.
git config --global credential.helper libsecret
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How to scroll HTML page to given anchor?
...solver(elem);}, "100");
} else {
elem.lastjump = null;
}
}
demo: https://jsfiddle.net/jd7q25hg/12/
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How to stop a goroutine
...
Personally, I'd like to use range on a channel in a goroutine:
https://play.golang.org/p/qt48vvDu8cd
Dave has written a great post about this: http://dave.cheney.net/2013/04/30/curious-channels.
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