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C++ Object Instantiation
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On the contrary, you should always prefer stack allocations, to the extent that as a rule of thumb, you should never have new/delete in your user code.
As you say, when the variable is declared on the stack, its destructor is automatically called when it goes out of scope...
Selecting the first “n” items with jQuery
... items from the page, for example the first 20 links instead of selecting all of them with the usual
6 Answers
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What does the term “porcelain” mean in Git?
The term "porcelain" appears occasionally in the Git documentation. What does it mean?
9 Answers
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Is there any particular difference between intval and casting to int - `(int) X`?
... behavior is a little surprising given the fact that the function theoretically can do base conversion. It definitely tripped me up before, but perhaps I just need to RTFM a bit more carefully :)
– t-dub
Feb 10 '12 at 17:07
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Arduino Sketch upload issue - avrdude: stk500_recv(): programmer is not responding
...it works. I figured the packets were some attempt at a hand-shake. So basically, I solved it using Google, patience and futzing around with the board!
– hoipolloi
Jan 12 '14 at 18:16
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JavaScript check if variable exists (is defined/initialized)
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You want the typeof operator. Specifically:
if (typeof variable !== 'undefined') {
// the variable is defined
}
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How to change the map center in Leaflet.js
...r location. How do I change the center of the map to a new position after calling the initialize function?
4 Answers
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Why does PEP-8 specify a maximum line length of 79 characters? [closed]
... and get on with writing good, consistently formatted code. Sure, no one really thinks that 79 is optimal, but there's no obvious gain in changing it to 99 or 119 or whatever your preferred line length is. I think the choices are these: follow the rule and find a worthwhile cause to battle for, or p...
How to overload __init__ method based on argument type?
Let's say I have a class that has a member called data which is a list.
10 Answers
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How to convert an IPv4 address into a integer in C#?
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This doesn't actually seem to make a difference on Windows using .NET - unsure about Mono. See dotnetfiddle.net/cBIOj2
– Jesse
Mar 7 '18 at 12:42
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