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Convert array of strings into a string in Java
...as:
new String("Harry, Ron, Hermione");
ETA: Java 8 has similar support now:
String.join(", ", "Harry", "Ron", "Hermione");
Can't see support for skipping null values, but that's easily worked around.
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Tactics for using PHP in a high-load site
...me as (sigh) an alien that has just landed on the planet, albeit one that knows PHP and a few optimisation techniques.
23 A...
How do I update devDependencies in NPM?
... npm -g
Then relaunch the console (in order for changes to take effect).
Now you can check your new npm --version and if it is up to date execute:
npm update
or (if you prefer):
npm update --save-dev
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OAuth secrets in mobile apps
... not compromised.
Both require some mechanism that your server component knows it is your client calling it. This tends to be done on installation and using a platform specific mechanism to get an app id of some kind in the call to your server.
(I am the editor of the OAuth 2.0 spec)
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When to use std::size_t?
...odel size or index in an array. size_t conveys semantics: you immediately know it represents a size in bytes or an index, rather than just another integer.
Also, using size_t to represent a size in bytes helps making the code portable.
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How to align absolutely positioned element to center?
...
If you want to center align an element without knowing it's width and height do:
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
Example:
*{
margin:0;
padding:0;
}
section{
background:red;
height: 100vh;
width: 100vw;
}...
In jQuery how can I set “top,left” properties of an element with position values relative to the par
...reshing my memory on setting position, I'm coming to this so late I don't know if anyone else will see it, but --
I don't like setting position using css(), though often it's fine. I think the best bet is to use jQuery UI's position() setter as noted by xdazz. However if jQuery UI is, for some reas...
getMinutes() 0-9 - How to display two digit numbers?
... return '0' + this.getMinutes();
}
return this.getMinutes();
};
Now if you want to use this.
console.log(date.getFullMinutes());
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How to delete last item in list?
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just simply use list.pop()
now if you want it the other way use : list.popleft()
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How do you test functions and closures for equality?
...as kind of devastating because I had been storing closures in an Array and now can't remove them with indexOf({$0 == closure} so I have to refactor. IMHO optimization shouldn't influence language design, so without a quick fix like the now deprecated @objc_block in matt's answer, I would argue that...