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Get current stack trace in Ruby without raising an exception
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185
You can use Kernel#caller:
# /tmp/caller.rb
def foo
puts caller # Kernel#caller returns a...
Mock vs MagicMock
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101
What is the reason for plain Mock existing?
Mock's author, Michael Foord, addressed a very si...
PostgreSQL naming conventions
... (for general SQL) here, all with several related links.
Note: Postgresql 10 introduced identity columns as an SQL-compliant replacement for serial.
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What is the apply function in Scala?
...hat takes an Int parameter and returns an Int will have OO type of Function1[Int,Int].
// define a function in scala
(x:Int) => x + 1
// assign an object representing the function to a variable
val f = (x:Int) => x + 1
Since everything is an object in Scala f can now be treated as a re...
get original element from ng-click
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318
You need $event.currentTarget instead of $event.target.
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shared_ptr to an array : should it be used?
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271
With C++17, shared_ptr can be used to manage a dynamically allocated array. The shared_ptr templ...
Get an object properties list in Objective-C
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13 Answers
13
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Is there a PHP function that can escape regex patterns before they are applied?
...a";
preg_match($regex, $haystack, $matches);
var_dump($matches);
// array(1) {
// [0]=>
// string(48) " http://stackoverflow.com/questions?sort=newest "
// }
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Difference between Destroy and Delete
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edited Mar 5 '18 at 21:56
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answered Mar 31 '14 at 9:03
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