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When is a C++ destructor called?
... object goes out of scope (not regarding to when an object leaves a given {block}). So, in other words, when is a destructor called on an object in a linked list?
That's up to the implementation of the linked list. Typical collections destroy all their contained objects when they are destroyed.
S...
Is it possible to change only the alpha of a rgba background colour on hover?
....brown { --rgb: 118, 76, 41; }
.green { --rgb: 51, 91, 11; }
a { display: block; position: relative; }
div { position: absolute; bottom: 0; background-color: rgba(var(--rgb), 0.8); }
a:hover div { background-color: rgba(var(--rgb), 1); }
To understand how this works, see How do I apply opacity to...
What's the use/meaning of the @ character in variable names in C#?
...e. I believe this may be because of the familiarity of this requirement in PHP software for variables. And a lot of Open Source web systems are now coded in C# (where in the past it would have been PHP)
– Wasted_Coder
Mar 5 '16 at 19:36
...
Java or Python for Natural Language Processing [closed]
...ty Extraction/Recognition with free tools while feeding Lucene Index
(With PHP) NLP programming tools using PHP?
(With Ruby) https://stackoverflow.com/questions/3776361/ruby-nlp-libraries
share
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i...
What's the difference between array_merge and array + array?
...
Source: https://softonsofa.com/php-array_merge-vs-array_replace-vs-plus-aka-union/
Stop using array_merge($defaults, $options):
function foo(array $options)
{
$options += ['foo' => 'bar'];
// ...
}
Note: array_replace function exists since PH...
How do you make Git ignore files without using .gitignore?
...ocal changes to tracked files:
git update-index --assume-unchanged my-file.php
Unignore local changes to tracked files:
git update-index --no-assume-unchanged my-file.php
source: git help update-index
--[no-]assume-unchanged
...
This option can be also used as a coarse file-...
Strange, unexpected behavior (disappearing/changing values) when using Hash default value, e.g. Hash
...ves the problem of reusing and mutating the original default value (as the block given is called each time, returning a new array), but not the assignment problem:
h = Hash.new { [] }
h[0] << 'a' #=> ["a"]
h[1] <<= 'b' #=> ["b"]
h #=> {1=>["b"]}
What does ...
How do you version your database schema? [closed]
...
Brazil looks pretty good, too bad I'm using mainly PHP. Ever considered porting the system?
– Eran Galperin
Jan 1 '09 at 20:26
add a comment
...
Can you grab or delete between parentheses in vi/vim?
...ecify that you want to go 2 levels of parens up. Finally the a) selects "a block". After that you can use d or x to delete, etc.
If you don't want to include the outer parens, you can use "inner block" instead:
v2i)
See :help object-select for the complete list of related commands.
...
Unusual shape of a textarea?
...itable and then shape it with some div on it. Here is an example, with two blocks which float at the upper left and the upper right of the main div:
As you can see, you have to play a little with the borders if you want the same result as you requested in your post. The main div has the blue bord...