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What does new self(); mean in PHP?
...getInstance();
var_dump($a);
Here, you'll get :
object(MyChildClass)#1 (0) { }
Which means self means MyChildClass -- i.e. the class in which it is written.
For the second situation, the code would look like this :
class MyParentClass {
public static function getInstance() {
ret...
Can I make a user-specific gitignore file?
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answered Apr 20 '11 at 1:06
grzuygrzuy
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How to set child process' environment variable in Makefile
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answered May 24 '14 at 13:06
MadScientistMadScientist
63.2k77 gold badges7272 silver badges9797 bronze badges
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Symfony 2 EntityManager injection in service
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answered Jul 22 '14 at 0:09
Chadwick MeyerChadwick Meyer
5,93366 gold badges3434 silver badges6262 bronze badges
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Centering the pagination in bootstrap
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Bootstrap has added a new class from 3.0.
<div class="text-center">
<ul class="pagination">
<li><a href="?p=0" data-original-title="" title="">1</a></li>
<li><a href="?p=1" data-original-title="" t...
Incomplete type is not allowed: stringstream
...defined.
– mireazma
Feb 19 '15 at 8:03
I think visual studio sometimes allows to use stringstream without including th...
Repeat string to certain length
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Joop
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answered Aug 2 '10 at 19:30
Jason ScheirerJason Scheirer
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SVN (Subversion) Problem “File is scheduled for addition, but is missing” - Using Versions
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edited Feb 11 '10 at 22:17
answered Feb 11 '10 at 21:48
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What does __FILE__ mean in Ruby?
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answered Oct 22 '08 at 3:30
GeoffGeoff
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Most efficient way to concatenate strings in JavaScript?
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edited Apr 24 '18 at 9:20
answered May 22 '13 at 16:16
Ja...