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Error: free(): invalid next size (fast):
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It means that you have a memory error. You may be trying to free a pointer that wasn't allocated by malloc (or delete an object that wasn't created by new) or you may be trying to free/delete such an object more than once. You may be overflowing a buffer or otherwise writing to memory to whic...
.NET data structures: ArrayList, List, HashTable, Dictionary, SortedList, SortedDictionary — Speed,
... Basic books talk about them to a certain extent, but they never really go into any real detail.
13 Answers
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Dynamically adding properties to an ExpandoObject
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getting Error 53 Cannot convert type 'System.Dynamic.ExpandoObject' to 'System.Collections.Generic.IDictionary<string,string>' via a reference conversion, boxing conversion, unboxing conversion, wrapping conversion, or null type conversion
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install / uninstall APKs programmatically (PackageManager vs Intents)
...t be necessary! It should be the responsibility of the PackageManager to maintain the installedBy(a, b) relationship. In fact, according to the API it is:
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Retain precision with double in Java
The above code prints:
22 Answers
22
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Git interoperability with a Mercurial Repository
... I haven't tried this yet.
Finally, Tailor is a project that incrementally converts between a variety of different VCSs. It sounds like development of this won't be aggressively continued.
The first three of these approaches looked lightweight enough to persuade me to investigate. I needed to twea...
How to print struct variables in console?
How can I print (in the console) the Id , Title , Name , etc. of this struct in Golang?
20 Answers
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Is there a way to programmatically scroll a scroll view to a specific edit text?
...new Runnable() {
@Override
public void run() {
int vLeft = view.getLeft();
int vRight = view.getRight();
int sWidth = scroll.getWidth();
scroll.smoothScrollTo(((vLeft + vRight - sWidth) / 2), 0);
}
});
}
For a vertical Scro...
Creating my own Iterators
... to forward all required definitions to the container holding the actual Points:
// Your class `Piece`
class Piece {
private:
Shape m_shape;
public:
typedef std::vector<Point>::iterator iterator;
typedef std::vector<Point>::const_iterator const_iterator;
iterator begi...
What are “first class” objects?
...eing storable in variables
being storable in data structures
having an intrinsic identity (independent of any given name)
being comparable for equality with other entities
being passable as a parameter to a procedure/function
being returnable as the result of a procedure/function
being c...