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Using PHP with Socket.io
...t possible to use Sockets.io on the client side and communicate with a PHP based application on the server? Does PHP even support such a 'long-lived connection' way of writing code?
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What really happens in a try { return x; } finally { x = null; } statement?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Draw line in UIView
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Based on Guy Daher's answer.
I try to avoid using ? because it can cause an application crash if the GetCurrentContext() returns nil.
I would do nil check if statement:
class CustomView: UIView
{
override func dra...
MySql server startup error 'The server quit without updating PID file '
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Did you follow the instructions from brew install mysql?
Set up databases to run AS YOUR USER ACCOUNT with:
For mysql 5.x:
unset TMPDIR
mysql_install_db --verbose --user=`whoami` --basedir="$(brew --prefix mysql)" --datadir=/usr/local/var/mysql --tmpdir=/tmp
To set up base tables in anot...
How to add new column to MYSQL table?
...omething like:
$db = mysqli_connect("localhost", "user", "password", "database");
$name = $db->mysqli_real_escape_string($name);
$query = 'ALTER TABLE assesment ADD ' . $name . ' TINYINT NOT NULL DEFAULT \'0\'';
if($db->query($query)) {
echo "It worked";
}
Haven't tested it but should w...
How do you sort a list in Jinja2?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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echo that outputs to stderr
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Brandon RhodesBrandon Rhodes
64.6k1515 gold badges9898 silver badges133133 bronze badges
a...
Why shouldn't I use PyPy over CPython if PyPy is 6.3 times faster?
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@smci This is an ancient question based on ancient data, with ancient answers. Consider this question and every answer to be historical for the state of pypy 4 years ago.
– Tritium21
Apr 23 '17 at 1:06
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What is an undefined reference/unresolved external symbol error and how do I fix it?
...){} //uncomment this line for successful definition
This happens because base class destructors are called when the object is destroyed implicitly, so a definition is required.
virtual methods must either be implemented or defined as pure.
This is similar to non-virtual methods with no defin...
Importing variables from another file?
...some kind of a library, compared to other languages like java or any
oop base languages , This is really cool ;
This makes accessing the contents of the file or import it to to process
it or to do anything with it ;
And that is the Main reason why Python is highly preferred Language for
Da...