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How to copy an object in Objective-C
...tate, other objects, etc, and often make assumptions that they're the only ones holding references to that data. Bitwise copies break this assumption.
A deep, logical copy. In this, we make a copy of the object, but without actually doing it bit by bit - we want an object that behaves the same for a...
Difference between “module.exports” and “exports” in the CommonJs Module System
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Why!? Why one can read this only here. This should be tagline for every modular javaScript. Thanks
– lima_fil
Jan 23 '15 at 23:06
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What is the meaning of addToBackStack with null parameter?
I have a customer code. There is only one activity for all of the fragments i.e. the single activity is managing all the fragments.
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Shall we always use [unowned self] inside closure in Swift
...he previous answers don't really give straightforward rules on when to use one over the other and why, so let me add a few things.
The unowned or weak discussion boils down to a question of lifetime of the variable and the closure that references it.
Scenarios
You can have two possible scenarios:
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Random alpha-numeric string in JavaScript? [duplicate]
...var i=0;i<50;i++){} loop that generated 50 random strings, and the last one is three characters long. I also told it to write to the document 50 times like so: document.write(randomString(8, '#aA!') + "</br>");
– Matthew
Jul 15 '14 at 3:24
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How do I UPDATE from a SELECT in SQL Server?
...rlesWood yeah. I have the same question in MySQL. It would be great if someone knows how to implement it to MySQL and share with everyone. I'm sure lots of people are looking for a MySQL version solution
– Roger Ray
Nov 27 '13 at 3:34
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How to order by with union in SQL?
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What if I want the sort to be applied on only the top one of the UNION ?
– marifrahman
Dec 15 '15 at 5:59
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Integer division with remainder in JavaScript?
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Another one, whose purpose I just spent the last 20 minutes trying to figure out, is apparently a/b | 0
– BlueRaja - Danny Pflughoeft
Mar 25 '11 at 22:42
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Pure virtual function with implementation
... it's not something that I see commonly used (and the fact that it can be done seems to surprise most C++ programmers, even experienced ones).
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jQuery find events handlers registered with an object
...ata(element, name, null, true), the last (fourth) parameter is an internal one ("pvt").
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