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What C++ Smart Pointer Implementations are available?
This is a spin-off from a garbage collection thread where what I thought was a simple answer generated a lot of comments about some specific smart pointer implementations so it seemed worth starting a new post.
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Why is \r a newline for Vim?
...ine in Vim? . You have to use \r when replacing text for a newline, like this
5 Answers
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jQuery.inArray(), how to use it right?
... index of the element in the array, not a boolean indicating if the item exists in the array. If the element was not found, -1 will be returned.
So, to check if an item is in the array, use:
if(jQuery.inArray("test", myarray) !== -1)
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Dictionaries and default values
Assuming connectionDetails is a Python dictionary, what's the best, most elegant, most "pythonic" way of refactoring code like this?
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Import and Export Excel - What is the best library? [closed]
...xcel files in a specific format. I'm looking for a library I can use for this purpose.
20 Answers
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What MySQL data type should be used for Latitude/Longitude with 8 decimal places?
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DECIMAL is the MySQL data-type for exact arithmetic. Unlike FLOAT its precision is fixed for any size of number, so by using it instead of FLOAT you might avoid precision errors when doing some calculations. If you were just storing ...
$.focus() not working
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Actually the example you gave for focusing on this site works just fine, as long as you're not focused in the console. The reason that's not working is simply because it's not stealing focus from the dev console. If you run the following code in your console and then quick...
What is the reason behind “non-static method cannot be referenced from a static context”? [duplicate
The very common beginner mistake is when you try to use a class property "statically" without making an instance of that class. It leaves you with the mentioned error message:
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How to set the id attribute of a HTML element dynamically with angularjs (1.x)?
...L element of type div , how to set the value of its id attribute, which is the concatenation of a scope variable and a string ?
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Move capture in lambda
...n C++14
In C++14 we will have the so called generalized lambda capture. This enables move capture. The following will be legal code in C++14:
using namespace std;
// a unique_ptr is move-only
auto u = make_unique<some_type>( some, parameters );
// move the unique_ptr into the lambda
go.r...