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Why should C++ programmers minimize use of 'new'?
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There are two widely-used memory allocation techniques: automatic allocation and dynamic allocation. Commonly, there is a corresponding region of memory for each: the stack and the heap.
Stack
The stack always allocates memory in a sequential fashion. It c...
Read stream twice
... I think this is the only valid solution as mark isn't supported for all types.
– Warpzit
Mar 1 '12 at 11:10
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Is there a way to style a TextView to uppercase all of its letters?
... attribute or style to a TextView that will make whatever text it has in ALL CAPITAL LETTERS.
7 Answers
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How to install PostgreSQL's pg gem on Ubuntu?
I'm trying to install PostgreSQL's pg gem for Ruby.
19 Answers
19
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Check if multiple strings exist in another string
..., "milk"]
if any(x in a_string for x in matches):
Similarly to check if all the strings from the list are found, use all instead of any.
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Difference between toFixed() and toPrecision()?
...om Mozilla Doc Center for toFixed() and for toPrecision(). Fortunately for all of us, MDC and w3schools agree with each other in this case.
For completeness, I should mention that toFixed() is equivalent to toFixed(0) and toPrecision() just returns the original number with no formatting.
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Does MySQL ignore null values on unique constraints?
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Yes, MySQL allows multiple NULLs in a column with a unique constraint.
CREATE TABLE table1 (x INT NULL UNIQUE);
INSERT table1 VALUES (1);
INSERT table1 VALUES (1); -- Duplicate entry '1' for key 'x'
INSERT table1 VALUES (NULL);
INSER...
How can I import one Gradle script into another?
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Well, it is hard to tell what serves you best without actually seeing your build file.
I could assume that stetting up your environment as multi-project build should provide you the abstraction you are looking for.
In your project root build.gradle you define all your domain spec...
How do you copy the contents of an array to a std::vector in C++ without looping?
... later processing. Since I don't know how many times my function will be called before it is time to process the data, I need a dynamic storage structure, so I chose a std::vector . I don't want to have to do the standard loop to push_back all the values individually, it would be nice if I coul...
Meaning of acronym SSO in the context of std::string
... variables ("from the stack", which are variables that you create without calling malloc / new) are generally much faster than those involving the free store ("the heap", which are variables that are created using new). However, the size of automatic arrays is fixed at compile time, but the size of ...