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How does one make a Zip bomb?
...it produces 4^16 (4,294,967,296) directories. Because each directory needs allocation space of N bytes, it ends up being huge. The dll file at the end is 0 bytes.
Unzipped the first directory alone \42\lib 0\book 0\chapter 0\doc 0\0.dll results in 4gb of allocation space.
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json_encode/json_decode - returns stdClass instead of Array in PHP
... written about in this blog post: Using json_encode() and json_decode() in PHP4 (Jun 2009).
The concrete code is by Michal Migurski and by Matt Knapp:
JSON-PHP / january 2005
Code: http://mike.teczno.com/JSON/JSON.phps
Pear Proposal: http://pear.php.net/pepr/pepr-proposal-show.php?id=198
Pear Pa...
Favorite (Clever) Defensive Programming Best Practices [closed]
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Allocate a reasonable chunk of memory when the application starts - I think Steve McConnell referred to this as a memory parachute in Code Complete.
This can be used in case something serious goes wrong and you are required ...
Converting string to Date and DateTime
... @Matthew yes, correct. But you never now, even today I found a PHP4.1 version still installed ...
– Roland
Nov 26 '18 at 16:45
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PHP - concatenate or directly insert variables in string
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Since php4 you can use a string formater:
$num = 5;
$word = 'banana';
$format = 'can you say %d times the word %s';
echo sprintf($format, $num, $word);
Source: sprintf()
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Best Practices: working with long, multiline strings in PHP?
...lating system which some consider a good successor (started on PHP5, so no PHP4 baggage).
– micahwittman
Dec 4 '09 at 20:48
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Authoritative position of duplicate HTTP GET query keys
...ld[0]=='foo'
field[1]=='bar'
I've seen this behavior in ASP, ASP.NET and PHP4.
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When to use Task.Delay, when to use Thread.Sleep?
...ch. If you're using a thread pool this could also cause a new thread to be allocated. Both operations are quite heavy whereas the cooperative multi-tasking provided by Task.Delay etc is designed to avoid all of that overhead, maximize throughput, allow cancellation, and provide cleaner code.
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What is the function __construct used for?
...ced in PHP5 and it is the right way to define your, well, constructors (in PHP4 you used the name of the class for a constructor).
You are not required to define a constructor in your class, but if you wish to pass any parameters on object construction then you need one.
An example could go like th...
How to read file contents into a variable in a batch file?
... @IulianOnofrei, set /p calls cmd!ReadBufFromInput with a stack allocated buffer to read 1023 wide characters (2046 bytes). It reads 1023 bytes from the file, assuming 1 byte per OEM/ANSI character, but it decodes the file using the current codepage, which isn't necessarily OEM/ANSI. Wors...