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Func with out parameter
...ss to encapsulate the results?
public class Result
{
public IList<Foo> List { get; set; }
public Int32 Count { get; set; }
}
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f...
Protected in Interfaces
...nterfaces can have any visibility! Why not in OOP?
– Foo Bar
Jan 21 '18 at 14:14
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What is & used for
...RL which contains an
ampersand ("&"):
This is invalid:
a href="foo.cgi?chapter=1&section=2&copy=3&lang=en"
Explanation:
This example generates an error for "unknown entity section" because
the "&" is assumed to begin an entity reference. Browsers often
recover ...
std::unique_lock or std::lock_guard?
... member function:
class MyClass{
std::mutex my_mutex;
void member_foo() {
std::lock_guard<mutex_type> lock(this->my_mutex);
/*
block of code which needs mutual exclusion (e.g. open the same
file in multiple threads).
*/
...
Insert line break inside placeholder attribute of a textarea?
... entity &#10; inside the placeholder attribute:
<textarea name="foo" placeholder="hello you&#10;Second line&#10;Third line"></textarea>
Works on:
Chrome 62, IE10, Firefox 60
Doesn't work on:
Safari 11
https://jsfiddle.net/lu1s/bxkjLpag/2/
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Round to at most 2 decimal places (only if necessary)
...
@mrkschan Why does that work, and is that foolproof for all numbers?
– CMCDragonkai
Mar 3 '14 at 4:45
91
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Grep not as a regular expression
...ouble quotes, you will still have to escape the $, e.g.: grep -FR "unset(\$foo['bar'])", otherwise it thinks it's an external variable and tries to expand it
– aexl
Mar 26 at 9:02
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Permission denied on accessing host directory in Docker
...me-opt=type=none,volume-opt=o=bind,volume-opt=device=/home/user/test \
foo
# inside a docker-compose file
...
volumes:
bind-test:
driver: local
driver_opts:
type: none
o: bind
device: /home/user/test
...
Lastly, if you try using user namespace...
Make column not nullable in a Laravel migration
...imply pass false as an argument to nullable().
e.g.
$table -> string('foo') -> nullable(false) -> change();
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Add table row in jQuery
...
What if you had a <tbody> and a <tfoot>?
Such as:
<table>
<tbody>
<tr><td>Foo</td></tr>
</tbody>
<tfoot>
<tr><td>footer information</td></tr>
</tf...