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Constructors in Go
... makeThing(name string) Thing {
return Thing{name, 33}
}
Reference : Allocation with new in Effective Go.
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How to sort an array by a date property
...ave hit production performance issues specifically for that reason. Do not allocate memory (and GC) inside a sort method.
– MikeMurko
Jul 13 '19 at 5:26
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Positioning MKMapView to show multiple annotations at once
... How do you create the CLLocationCoordinate2D *coords array? Using malloc()?
– Hlung
Feb 23 '14 at 9:24
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How can I parse a local JSON file from assets folder into a ListView?
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Allocating the buffer based on the result returned by available() is incorrect as per the Java docs: docs.oracle.com/javase/7/docs/api/java/io/… "Note that while some implementations of InputStream will return the tota...
String literals: Where do they go?
I am interested in where string literals get allocated/stored.
8 Answers
8
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Are std::vector elements guaranteed to be contiguous?
...s of a vector are stored contiguously, meaning that if v is a vector<T, Allocator> where T is some type other than bool, then it obeys the identity &v[n] == &v[0] + n for all 0 <= n < v.size()."
– Mike Caron
May 11 '09 at 17:52
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MySQL - length() vs char_length()
... store 10 characters, which may be more than 10 bytes.
In indexes, it will allocate the maximium length of the field - so if you are using UTF8-mb4, it will allocate 40 bytes for the 10 character field.
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What's the best way to do a backwards loop in C/C#/C++?
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your array_size seems to work for statically allocated arrays, but failed for me when a was 'new int[7]' for example.
– Nate Parsons
Dec 29 '08 at 5:12
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Fastest way to check if a string matches a regexp in ruby?
...erformance enhancement in the release notes for 2.4.0, as it avoids object allocations performed by other methods such as Regexp#match and =~:
Regexp#match?
Added Regexp#match?, which executes a regexp match without creating a back reference object and changing $~ to reduce object allocation.
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Why cast an unused function parameter value to void?
...er name in the body is to avoid warnings like
unused.c: In function ‘l_alloc’:
unused.c:3:22: warning: unused parameter ‘ud’ [-Wunused-parameter]
void *l_alloc (void *ud, void *ptr, size_t osize, size_t nsize) {
^~
This warning can be suppressed with using the actu...