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What do the following phrases mean in C++: zero-, default- and value-initialization?
...thing to realize is that 'value-initialization' is new with the C++ 2003 standard - it doesn't exist in the original 1998 standard (I think it might be the only difference that's more than a clarification). See Kirill V. Lyadvinsky's answer for the definitions straight from the standard.
See this ...
Can I set an opacity only to the background image of a div?
...nnot be done since opacity affects the whole element including its content and there's no way to alter this behavior. You can work around this with the two following methods.
Secondary div
Add another div element to the container to hold the background. This is the most cross-browser friendly meth...
Text overflow ellipsis on two lines
...Chris Coyier's excellent CSS-Tricks.com posted a link to this a while back and it's a pure CSS solution that accomplishes exactly what you seek.
(Click to View on CodePen)
HTML:
<div class="ellipsis">
<div>
<p>
Call me Ishmael. Some years ago – never mi...
Difference of keywords 'typename' and 'class' in templates?
...
typename and class are interchangeable in the basic case of specifying a template:
template<class T>
class Foo
{
};
and
template<typename T>
class Foo
{
};
are equivalent.
Having said that, there are specific cases ...
Transferring files over SSH [closed]
I'm SSHing into a remote server on the command line, and trying to copy a directory onto my local machine with the scp command. However, the remote server returns this "usage" message:
...
What really is a deque in STL?
I was looking at STL containers and trying to figure what they really are (i.e. the data structure used), and the deque stopped me: I thought at first that it was a double linked list, which would allow insertion and deletion from both ends in constant time, but I am troubled by the promise made ...
What is the difference between 'E', 'T', and '?' for Java generics?
...the Java programming language
Angelika Langer's Java Generics FAQ (massive and comprehensive; more for reference though)
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Instantiating object of type parameter
...ngBuilder::new);
Alternatively, you can provide a Class<T> object, and then use reflection.
class MyClass<T> {
private final Constructor<? extends T> ctor;
private T field;
MyClass(Class<? extends T> impl) throws NoSuchMethodException {
this.ctor = impl.getCo...
Referring to a table in LaTeX [closed]
...
For some reason, this pushes the table and caption to the bottom of the page, resulting in the caption to be the last sentence on the page, where the table sits nicely on top of the caption. How can I remedy this, so that it just sits underneath the last typed se...
SQL Server - inner join when updating [duplicate]
...ER JOIN dbo.products AS P
ON R.pid = P.id
WHERE R.id = '17190'
AND P.shopkeeper = '89137';
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