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Get a substring of a char* [duplicate]
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Still more than what you need, but yeah, they'll get free-ed as soon as the code leaves the current stack.
– alexandernst
Nov 11 '13 at 21:39
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What is external linkage and internal linkage?
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@FrankHB, what is the "something more important" that the answer is missing?
– Mathematician
Jul 26 '17 at 17:33
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const vs constexpr on variables
...e there is a difference. Let's rename them so that we can talk about them more easily:
const double PI1 = 3.141592653589793;
constexpr double PI2 = 3.141592653589793;
Both PI1 and PI2 are constant, meaning you can not modify them. However only PI2 is a compile-time constant. It shall be in...
How to specify function types for void (not Void) methods in Java8?
...es over some important facts: Lambda expressions and method references are more than a syntactic addition. The JVM itself provides new types to handle method references more efficiently than with anonymous classes (most importantly MethodHandle), and using this, the Java compiler is able to produce ...
CSS two divs next to each other
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What is meant by the term “hook” in programming?
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SqlAlchemy - Filtering by Relationship Attribute
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Use method has() of relationship (more readable):
patients = Patient.query.filter(Patient.mother.has(phenoscore=10))
or join (usually faster):
patients = Patient.query.join(Patient.mother, aliased=True)\
.filter_by(phenoscore=10)
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What is boxing and unboxing and what are the trade offs?
...pically stored as pointers to objects on the heap.
Thus, boxed values use more memory and take at minimum two memory lookups to access: once to get the pointer, and another to follow that pointer to the primitive. Obviously this isn't the kind of thing you want in your inner loops. On the other h...
How to set versionName in APK filename using gradle?
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Is there a way for non-root processes to bind to “privileged” ports on Linux?
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