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Should unit tests be written for getter and setters?
...is the parameter not the foo field on the object).
If you are returning an array or collection you should be testing whether or not the getter is going to be performing defensive copies of the data passed into the setter before returning.
Otherwise, if you have the most basic setters/getters then un...
What REALLY happens when you don't free after malloc?
...pointer to any type of object
and then used to access such an object or an array of such objects in the space allocated
(until the space is explicitly deallocated). The lifetime of an allocated object extends
from the allocation until the deallocation.[...]
So it has not to be given that the enviro...
Understanding prototypal inheritance in JavaScript
...rue for Car: Car.prototype.constructor === Car, but it is equally true for Array, Object, String, ...etc.
But if you reassign a different object to prototype, that invariance is broken. Usually this is not a problem (as you have noticed), but it is better to reinstate it, because it answers the qu...
Is it safe to remove selected keys from map within a range loop?
...erts at the rate of 2^B (from this source code):
byte *buckets; // array of 2^B Buckets. may be nil if count==0.
So there are almost always more buckets allocated than you're using, and when you do a range over the map, it checks that tophash value of each bucket in that 2^B to see if it c...
How to resize an image with OpenCV2.0 and Python2.6
...caling factors returns an error on cv2.resize() saying 'src is not a numpy array, neither a scalar.' please advise?
– BenP
Jan 29 '19 at 17:53
...
Failed to execute 'btoa' on 'Window': The string to be encoded contains characters outside of the La
...'m using page innerHTML as data
// note that you can use the array
// to concatenate many long strings EFFICIENTLY
[document.body.innerHTML],
// Mime type is important for data url
{type : 'text/html'}
);
// This FileReader works...
How is the java memory pool divided?
...a area from which the Java VM allocates memory for all class instances and arrays. The heap may be of a fixed or variable size. The garbage collector is an automatic memory management system that reclaims heap memory for objects.
Eden Space: The pool from which memory is initially allocated for mo...
SQL - many-to-many table primary key
... in my opinion. It sounds like the author thinks the table is stored in an array rather than an extremely high performance balanced multi-way tree structure.
For a start, it's never necessary to store or get at the table sorted, just the index. And the index won't be stored sequentially, it'll be s...
What exactly do “IB” and “UB” mean?
...subtler things like pointer arithmetic that falls outside the bounds of an array object.
Another related term is 'unspecified behavior'. This is kind of between implementation defined and undefined behaviors. for unspecified behavior, the compiler must do something according to the standard, but ...
Append values to query string
...rent values. I believe that a request to an ASP.NET site parses that as an array of values for that one key.
– Seth
Dec 8 '16 at 21:50
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