User Pekka - Stack Overflow

1363 votes

29 answers

2.2m views

"Notice: Undefined variable", "Notice: Undefined index", "Warning: Undefined array key", and "Notice: Undefined offset" using PHP

asked Nov 23, 2010 at 21:26

1042 votes

17 answers

3.1m views

How to run a PowerShell script

asked Jan 9, 2010 at 22:19

642 votes

10 answers

145k views

Understanding REST: Verbs, error codes, and authentication

asked Jan 4, 2010 at 19:55

258 votes

7 answers

793k views

How to output something in PowerShell

asked Jan 10, 2010 at 19:08

248 votes

11 answers

223k views

Textarea that can do syntax highlighting on the fly?

asked Oct 24, 2009 at 21:20

246 votes

5 answers

80k views

CSS-only masonry layout

asked Jun 5, 2017 at 20:41

203 votes

9 answers

42k views

Setting up a deployment / build / CI cycle for PHP projects

asked Feb 1, 2010 at 22:14

200 votes

18 answers

137k views

Tri-state Check box in HTML?

asked Nov 12, 2009 at 23:20

159 votes

7 answers

196k views

Unicode characters in URLs

asked Apr 30, 2010 at 7:07

114 votes

8 answers

13k views

In a PHP project, what patterns exist to store, access and organize helper objects? [closed]

asked Nov 28, 2009 at 12:56

100 votes

11 answers

27k views

How to avoid isset() and empty()

asked Dec 25, 2009 at 4:55

99 votes

16 answers

3k views

Tetris-ing an array

asked Jul 18, 2010 at 11:04

94 votes

6 answers

100k views

Determine original size of image cross browser?

asked Dec 22, 2009 at 5:12

88 votes

6 answers

61k views

Change SVN commit message retroactively?

asked Feb 2, 2010 at 13:29

86 votes

12 answers

71k views

JavaScript eyedropper (tell color of pixel under mouse cursor)

asked Dec 20, 2009 at 14:42

82 votes

20 answers

20k views

Pre-installed Linux for Web Developers? [closed]

asked Jan 28, 2010 at 12:29

71 votes

11 answers

43k views

How do I dump JavaScript vars in IE8?

asked Dec 24, 2009 at 2:32

71 votes

8 answers

58k views

JS function to calculate complementary colour?

asked Nov 2, 2009 at 22:26

60 votes

10 answers

24k views

PHP PDF template library with PDF output? [closed]

asked Dec 11, 2010 at 12:24

60 votes

4 answers

30k views

What effects does using a binary collation have?

asked Apr 2, 2011 at 22:32

60 votes

5 answers

3k views

Reference: What is a perfect code sample using the MySQL extension? [closed]

asked Jun 1, 2011 at 8:09

57 votes

6 answers

26k views

Is strip_tags() vulnerable to scripting attacks?

asked Apr 26, 2011 at 9:40

57 votes

15 answers

22k views

Tell bots apart from human visitors for stats?

asked Nov 11, 2009 at 18:07

56 votes

0 answers

9k views

How to parse HTML with PHP? [duplicate]

asked Sep 6, 2010 at 8:51

53 votes

15 answers

51k views

array_splice() for associative arrays

asked Nov 23, 2009 at 13:19

53 votes

8 answers

406k views

Hex colors: Numeric representation for "transparent"?

asked Nov 17, 2009 at 19:42

51 votes

11 answers

27k views

"Web interface" to PHPUnit tests?

asked Mar 11, 2010 at 11:22

50 votes

8 answers

10k views

Is clearfix deprecated?

asked Apr 6, 2011 at 11:36

49 votes

4 answers

22k views

In a PHP / Apache / Linux context, why exactly is chmod 777 dangerous?

asked Feb 26, 2010 at 0:20

47 votes

8 answers

51k views

How to keep json_encode() from dropping strings with invalid characters

asked Jan 11, 2011 at 23:12

Collectives™ on Stack Overflow

257 Questions

"Notice: Undefined variable", "Notice: Undefined index", "Warning: Undefined array key", and "Notice: Undefined offset" using PHP

How to run a PowerShell script

Understanding REST: Verbs, error codes, and authentication

How to output something in PowerShell

Textarea that can do syntax highlighting on the fly?

CSS-only masonry layout

Setting up a deployment / build / CI cycle for PHP projects

Tri-state Check box in HTML?

Unicode characters in URLs

In a PHP project, what patterns exist to store, access and organize helper objects? [closed]

How to avoid isset() and empty()

Tetris-ing an array

Determine original size of image cross browser?

Change SVN commit message retroactively?

JavaScript eyedropper (tell color of pixel under mouse cursor)

Pre-installed Linux for Web Developers? [closed]

How do I dump JavaScript vars in IE8?

JS function to calculate complementary colour?

PHP PDF template library with PDF output? [closed]

What effects does using a binary collation have?

Reference: What is a perfect code sample using the MySQL extension? [closed]

Is strip_tags() vulnerable to scripting attacks?

Tell bots apart from human visitors for stats?

How to parse HTML with PHP? [duplicate]

array_splice() for associative arrays

Hex colors: Numeric representation for "transparent"?

"Web interface" to PHPUnit tests?

Is clearfix deprecated?

In a PHP / Apache / Linux context, why exactly is chmod 777 dangerous?

How to keep json_encode() from dropping strings with invalid characters