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Class type check in TypeScript
...e used there anymore:
The is operator, which is new for ActionScript 3.0, allows you to test whether a variable or expression is a member of a given data type. In previous versions of ActionScript, the instanceof operator provided this functionality, but in ActionScript 3.0 the instanceof operator ...
Drawing an image from a data URL to a canvas
...strDataURI;
The drawImage() method of HTML5 Canvas Context lets you copy all or a portion of an image (or canvas, or video) onto a canvas.
You might use it like so:
var myCanvas = document.getElementById('my_canvas_id');
var ctx = myCanvas.getContext('2d');
var img = new Image;
img.onload = func...
Closing multiple issues in Github with a commit message
...e numbers of the issues that are to be close instead of a single close and all the numbers after that. :-/
– rbaleksandar
Oct 7 '15 at 16:31
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HTML.ActionLink vs Url.Action in ASP.NET Razor
... dat means I should prefer Html.ActionLink() over Url.Action in all situations when rendering a link is concerned. BTW, then why did Microsoft official tutorial(MVC Music Store) on asp.net website used Url.Action most times whenever a link was needed.
– Pankaj Upadhy...
Chrome Dev Tools - “Size” vs “Content”
...of things can make them different, including:
Being served from cache (small or 0 "size")
Response headers, including cookies (larger "size" than "content")
Redirects or authentication requests
gzip compression (smaller "size" than "content", usually)
From the docs:
Size is the combined size...
Responsive iframe using Bootstrap
...
FINALLY this works perfectly! It might be nice to include the obligatory <p>Your browser does not appear to support iframes</p> between the iframe tags, but I'm wondering if that's even relevant these days...thanks ...
How to extract epoch from LocalDate and LocalDateTime?
...constant ZoneId instance (of +0 , meaning GMT) ? I ask this because I want all calculations be normalized to it. Also, how do I do the opposite: convert from epoch time to LocalDate/LocalDateTime (also without ZoneId, or with the GMT one) ?
– android developer
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Proper usage of Optional.ifPresent()
...r> user = ...
user.ifPresent(this::doSomethingWithUser);
This is basically the same thing as
Optional<User> user = ...
user.ifPresent(new Consumer<User>() {
@Override
public void accept(User theUser) {
doSomethingWithUser(theUser);
}
});
The idea is that the d...
What is the difference between object keys with quotes and without quotes?
...xchange format does require double quotes around identifiers (and does not allow single quotes).
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How to add/update an attribute to an HTML element using JavaScript?
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What seems easy is actually tricky if you want to be completely compatible.
var e = document.createElement('div');
Let's say you have an id of 'div1' to add.
e['id'] = 'div1';
e.id = 'div1';
e.attributes['id'] = 'div1';
e.createAttribute('id','di...