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Can two different strings generate the same MD5 hash code?
...5
5d
83
60
Above collision example is taken from Marc Stevens: Single-block collision for MD5, 2012; he explains his method, with source code (alternate link to the paper).
Another test:
$ echo '0e306561559aa787d00bc6f70bbdfe3404cf03659e704f8534c00ffb659c4c8740cc942feb2da115a3f4155cbb860749...
What is lexical scope?
...s correct. This answer refers to 'level', which is more along the lines of block scope that C has. JavaScript by default does not have block level scope, so inside a for loop is the typical problem. Lexical scope for JavaScript is only at the function level unless the ES6 let or const is used.
...
What is SaaS, PaaS and IaaS? With examples
...tual machines and other resources like virtual-machine disk image library, block and file-based storage, firewalls, load balancers, IP addresses, virtual local area networks etc.
Examples: Amazon EC2, Windows Azure, Rackspace, Google Compute Engine.
PaaS (Platform as a Service), as the name sugges...
What is the maximum length of data I can put in a BLOB column in MySQL?
...t be accurate, but according to this site: http://www.htmlite.com/mysql003.php.
BLOB A string with a maximum length of 65535 characters.
The MySQL manual says:
The maximum size of a BLOB or TEXT
object is determined by its type, but
the largest value you actually can
transmit betwe...
Detecting iOS / Android Operating system
...
You can also Achieve this with user agent on php:
$userAgent = strtolower($_SERVER['HTTP_USER_AGENT']);
if(stripos($userAgent,'android') !== false) { // && stripos($userAgent,'mobile') !== false) {
header('Location: http://oursite.com/download/yourApp.apk');...
Thread.Sleep replacement in .NET for Windows Store
...chronous method will continue 30 seconds later, but the thread will not be blocked, just as for all await expressions.
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How to center horizontally div inside parent div
...lign:center;">
<div style="border:1px solid #000; display:inline-block;">Div 1</div>
<div style="border:1px solid red; display:inline-block;">Div 2</div>
</div>
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Fundamental difference between Hashing and Encryption algorithms
...s resulting in the same output. For DES, the key length is 56 bits and the block sizes are 64 bits. Therefore, aren't there 256 different keys that can map to the same output block?
– mrQWERTY
Feb 18 '15 at 23:33
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How do I do word Stemming or Lemmatization?
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Martin Porter's official page contains a Porter Stemmer in PHP as well as other languages.
If you're really serious about good stemming though you're going to need to start with something like the Porter Algorithm, refine it by adding rules to fix incorrect cases common to your data...
“Origin null is not allowed by Access-Control-Allow-Origin” error for request made by application ru
...d to maybe add a HEADER in your called script, here is what I had to do in PHP:
header('Access-Control-Allow-Origin: *');
More details in Cross domain AJAX ou services WEB (in French).
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