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What's the difference between passing by reference vs. passing by value?
...by value vs. pass by reference" distinction as defined in the CS theory is now obsolete because the technique originally defined as "pass by reference" has since fallen out of favor and is seldom used now.1
Newer languages2 tend to use a different (but similar) pair of techniques to achieve the sam...
How can I determine what font a browser is actually using to render some text?
...
Per Wilfred Hughes' answer, Firefox now supports this natively. This article has more details.
This answer original referenced the "Font Finder" plugin, but only because it was from 4 years ago. The fact that old answers linger like this and the community can...
How to concatenate two numbers in javascript?
...
You can now make use of ES6 template literals.
const numbersAsString = `${5}${6}`;
console.log(numbersAsString); // Outputs 56
Or, if you have variables:
const someNumber = 5;
const someOtherNumber = 6;
const numbersAsString = `...
Why is unsigned integer overflow defined behavior but signed integer overflow isn't?
...U.
In practice, it is only the representations for signed values that may differ according to the implementation: one's complement, two's complement, sign-magnitude. For an unsigned type there is no reason for the standard to allow variation because there is only one obvious binary representation (t...
How set background drawable programmatically in Android
...UPDATE: getDrawable(int ) deprecated in API level 22
getDrawable(int ) is now deprecated in API level 22.
You should use the following code from the support library instead:
ContextCompat.getDrawable(context, R.drawable.ready)
If you refer to the source code of ContextCompat.getDrawable, it give...
In Markdown, what is the best way to link to a fragment of a page, i.e. #some_id?
...ow to reference another area of a page with Markdown. I can get it working if I add a
5 Answers
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Get current date in milliseconds
...d it'll result in a negative value.
For example, if I run that code right now, it'll result in
currentTime = 1357234941
and
currentTime /seconds / minutes / hours / days = years
1357234941 / 60 / 60 / 24 / 365 = 43.037637652207
...
Chrome DevTools Devices does not detect device when plugged in
...e.
Definitely not as easy as I thought it would have been but at least it now works.
Update 24 February 2016
So I updated to Windows 10 and now have a Samsung Galaxy S5, devices running Chrome v48.0.2564.116 m and v48.0.2564.95 respectively. Followed the steps from the Google docs and...it didn't...
Const in JavaScript: when to use it and is it necessary?
...eginning of 2014 and a lot has changed since then. ecmascript-6 support is now the norm. All modern browsers now support const so it should be pretty safe to use without any problems.
Original Answer from 2014
Despite having fairly decent browser support, I'd avoid using it for now. From MDN's a...
adb server version doesn't match this client
...it the PATH variable and remove the reference to the HTC Sync directories. Now you're using Google's ADB again.
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