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How do multiple clients connect simultaneously to one port, say 80, on a server? [duplicate]
...icknet -m tcp -t localhost:500 -p Test payload.
This is a simple script (https://github.com/grokit/dcore/tree/master/apps/quicknet) that opens a TCP socket, sends the payload ("Test payload." in this case), waits a few seconds and disconnects. Doing netstat again while this is happening displays t...
NOW() function in PHP
... gives the dateTime value in this format: 'YYYY-MM-DD HH:MM:SS'. See here: https://dev.mysql.com/doc/refman/8.0/en/date-and-time-functions.html#function_now.
An interesting fact is that it's possible to get the datetime format by running this query: SHOW VARIABLES LIKE 'd%e_format', the result cou...
What is “entropy and information gain”?
...e to start is this (freely available online) book by David Mackay:
http://www.inference.phy.cam.ac.uk/mackay/itila/
Those inference methods are really far more general than just text mining and I can't really devise how one would learn how to apply this to NLP without learning some of the general ...
How to set up Spark on Windows?
...ark without Mahout.
(5) The following tutorial is a good place to begin:
https://mahout.apache.org/users/sparkbindings/play-with-shell.html
You can bring up the Mahout Spark instance at:
"C:\Program Files (x86)\Google\Chrome\Application\chrome" --disable-web-security http://localhost:4040
...
Get name of caller function in PHP?
...lDebug = new MyClass();
?>
will return trace
callee() called @ /var/www/xd.php: 16 from MyClass::__construct
To install Xdebug on ubuntu the best way is
sudo aptitude install php5-xdebug
You might need to install php5-dev first
sudo aptitude install php5-dev
more info
...
How to make input type= file Should accept only pdf and xls
...fy the magic number
// for JPG is 0xFF 0xD8 0xFF 0xE0 (see https://en.wikipedia.org/wiki/List_of_file_signatures)
if(int32View.length>4 && int32View[0]==0xFF && int32View[1]==0xD8 && int32View[2]==0xFF && int32View[3]==0xE0) {
...
What can I do to resolve a “Row not found or changed” Exception in LINQ to SQL on a SQL Server Compa
... {
}
/// <summary>
/// Code from following link
/// https://ittecture.wordpress.com/2008/10/17/tip-of-the-day-3/
/// </summary>
/// <param name="context"></param>
/// <returns></returns>
static string GetChangeConflictExceptionDeta...
How to download a file from server using SSH? [closed]
...r_username@remotehost.edu:/remote/dir/foobar.txt /local/dir
From: http://www.hypexr.org/linux_scp_help.php
share
edited Mar 14 '15 at 9:31
...
Objective-C categories in static library
...ments.
Problem was caused by (citation from apple Technical Q&A QA1490 https://developer.apple.com/library/content/qa/qa1490/_index.html):
Objective-C does not define linker
symbols for each function (or method,
in Objective-C) - instead, linker
symbols are only generated for each
class. If you...
Inserting HTML elements with JavaScript
...se Node.textContent to get a correct copy of these text nodes' contents.
https://developer.mozilla.org/en-US/docs/Web/API/Element/innerHTML
Or:
var html = '<div>Hello prepended</div>';
document.body.insertAdjacentHTML('afterbegin', html)
insertAdjacentHTML is probably a good altern...