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What does the explicit keyword mean?
... compiler can use constructors callable with a single parameter to convert from one type to another in order to get the right type for a parameter.
Here's an example class with a constructor that can be used for implicit conversions:
class Foo
{
public:
// single parameter constructor, can be used...
Setting git parent pointer to a different parent
...HAs no longer matching theirs for the "same" commits. (See the "RECOVERING FROM UPSTREAM REBASE" section of the linked man page for details.)
That said, if you're currently on a branch with some commits that you want to move to a new parent, it'd look something like this:
git rebase --onto <ne...
Why is auto_ptr being deprecated?
...
I found the existing answers great, but from the PoV of the pointers. IMO, an ideal answer should have the user/programmer's perspective answer.
First thing first (as pointed by Jerry Coffin in his answer)
auto_ptr could be replaced by shared_ptr or unique_pt...
Which Python memory profiler is recommended? [closed]
...mple to use. At some point in your code, you have to write the following:
from guppy import hpy
h = hpy()
print(h.heap())
This gives you some output like this:
Partition of a set of 132527 objects. Total size = 8301532 bytes.
Index Count % Size % Cumulative % Kind (class / dict of clas...
How to determine a user's IP address in node
How can I determine the IP address of a given request from within a controller? For example (in express):
19 Answers
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Can I browse other people's (Apple) bug reports? [closed]
...f I can't look up their bug reports by ID)? I guess perchance that someone from Apple who organizes bug reports is reading Stack Overflow?
– ma11hew28
Jun 26 '14 at 15:20
...
Remove all subviews?
...views:
[[someUIView subviews]
makeObjectsPerformSelector:@selector(removeFromSuperview)];
Thank you to Tommy for pointing out that makeObjectsPerformSelector: appears to modify the subviews array while it is being enumerated (which it does for NSView, but not for UIView).
Please see this SO que...
How to get the ActionBar height?
...
great help !! but from where you find all such things !!
– vikky
Apr 24 '13 at 9:46
5
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How to execute a java .class from the command line
...dable via ./mypackage/hello.class name. See also: "Running java in package from command line" question.
– ruvim
Apr 24 '18 at 11:40
...
What is the preferred syntax for defining enums in JavaScript?
...t.freeze(DaysEnum)
and voila! JS enums.
However, this doesn't prevent you from assigning an undesired value to a variable, which is often the main goal of enums:
let day = DaysEnum.tuesday
day = 298832342 // goes through without any errors
One way to ensure a stronger degree of type safety (with e...