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How can I create a two dimensional array in JavaScript?
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How to create an empty two dimensional array (one-line)
Array.from(Array(2), () => new Array(4))
2 and 4 being first and second dimensions respectively.
We are making use of Array.from, which can take an array-like param and an optional mapping for each of the elements.
Array....
throw new std::exception vs throw std::exception
... (probably logging related code)
}
Note that yourexception should derive from std::exception directly or indirectly.
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Why does PEP-8 specify a maximum line length of 79 characters? [closed]
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Also, it is preferred to not have code wrap. From a user experience perspective, it's unacceptable for most.
– Justin Bozonier
Sep 18 '08 at 7:00
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Is quoting the value of url() really necessary?
...still correct. As an extreme example, Google only needs to remove one byte from their homepage to save quite a bit of bandwidth ;)
– Pebbl
Jun 29 '12 at 14:45
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What is “above-the-fold content” in Google Pagespeed?
... were a couple of things I could do nothing about such as the query string from web fonts. I was very happy with this as this represented all that I could do.
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How to make a SPA SEO crawlable?
...d to know how to handle these URLs in case they are used as external links from another site to your site, we'll see that later on the server side part). Now, this is handled wonderfully by Durandal. I strongly recommend it, but you can also skip this part if you prefer other technologies. If you...
Can't open config file: /usr/local/ssl/openssl.cnf on Windows [duplicate]
...riables.
NOTE: This can happen when using the OpenSSL binary distribution from Shining Light Productions (a compiled + installer version of the official OpenSSL that is free to download & use). This distribution is "semi-officially" linked from OpenSSL's site as a "service primarily for operati...
html5 - canvas element - Multiple layers
...o destination-over so that anything
// that is drawn on to the canvas from this point on is drawn at the back
// of what's already on the canvas
context.globalCompositeOperation = 'destination-over';
// Draw a big yellow rectangle
context.fillStyle = 'yellow';
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Reversing a linked list in Java, recursively
...ode in one reply that spells it out, but you might find it easier to start from the bottom up, by asking and answering tiny questions (this is the approach in The Little Lisper):
What is the reverse of null (the empty list)? null.
What is the reverse of a one element list? the element.
What is the...
How do I force files to open in the browser instead of downloading (PDF)?
...ill depend on your HTTP server (or, if you are generating the PDF response from server-side code: your server-side programming language).
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