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Does a const reference class member prolong the life of a temporary?
...in your example is bound to the constructor's argument n, and becomes invalid when the object n is bound to goes out of scope.
The lifetime extension is not transitive through a function argument. §12.2/5 [class.temporary]:
The second context is when a reference is bound to a temporary. The te...
Add a dependency in Maven
...
You'll have to do this in two steps:
1. Give your JAR a groupId, artifactId and version and add it to your repository.
If you don't have an internal repository, and you're just trying to add your JAR to your local repository, you can install it as follows, using any arbitrary groupId/a...
How can I use a Python script in the command line without cd-ing to its directory? Is it the PYTHONP
...ctories are silently ignored.
In addition to normal directories, individual PYTHONPATH entries may
refer to zipfiles containing pure Python modules (in either source or
compiled form). Extension modules cannot be imported from zipfiles.
The default search path is installation dependent...
How can I open several files at once in Vim?
... Once the files are opened use :tab all to put them in individual tabs.
– Backlin
Jun 24 '14 at 7:49
"A...
What's the meaning of 'origin' in 'git push origin master'
...med origin, which doesn't have any special technical meaning, it's just a widely used default name for an original remote repository. You can use foobar instead of origin if you like.
– skuro
Aug 25 '12 at 0:21
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How do I add a path to PYTHONPATH in virtualenv
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You can usually avoid having to do anything with PYTHONPATH by using .pth files. Just put a file with a .pth extension (any basename works) in your virtualenv's site-packages folder, e.g. lib\python2.7\site-packages, with the absolute path to t...
How to get the current directory in a C program?
... That's not the pickiest of nits. This is: int main() should be int main(void).
– Keith Thompson
Jun 17 '15 at 23:53
4
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What is the apply function in Scala?
...t works the other way too - every object can be treated as a function, provided it has the apply method. Such objects can be used in the function notation:
// we will be able to use this object as a function, as well as an object
object Foo {
var y = 5
def apply (x: Int) = x + y
}
Foo (1) // ...
What are some examples of commonly used practices for naming git branches? [closed]
...e parts of your branch names.
Do not use bare numbers as leading parts.
Avoid long descriptive names for long-lived branches.
Group tokens
Use "grouping" tokens in front of your branch names.
group1/foo
group2/foo
group1/bar
group2/bar
group3/bar
group1/baz
The groups can be named whatever yo...
XML Validation with XSD in Visual Studio IDE
...s, that is a great detailed explanation, but mine still isn't working. I didn't know you could get to the schemas list from properties like that.
– Jim McKeeth
Jul 1 '10 at 20:49
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