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How to set Python's default version to 3.x on OS X?
...ered this issue for myself. Please note that this will only apply to a Mac-based setup (I haven't tried it with Windows or any flavor of Linux).
The simplest way to get this working is to install Python via Brew. If you don't have brew installed, you will need to do that first. Once installed, do t...
Draw line in UIView
...
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...
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($query)) {
echo "It worked";
}
Haven't tested it but should w...
MySql server startup error 'The server quit without updating PID file '
...
Did you follow the instructions from brew install mysql?
Set up databases to run AS YOUR USER ACCOUNT with:
For mysql 5.x:
unset TMPDIR
mysql_install_db --verbose --user=`whoami` --basedir="$(brew --prefix mysql)" --datadir=/usr/local/var/mysql --tmpdir=/tmp
To set up base tables in anot...
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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What is this weird colon-member (“ : ”) syntax in the constructor?
...r class member doesn't have a default constructor or
For initialization of base class members or
When constructor’s parameter name is same as data member(this is not really a MUST)
A code example:
class MyClass
{
public:
//Reference member, has to be Initialized in Member Initial...
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?
...
How can I get the current user directory?
... C:\Windows\system32
SystemX86 C:\Windows\SysWoW64
("fisch" is the first 5 letters of my last name. This is the user name assigned when signing in with a Microsoft Account.)
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Insert into a MySQL table or update if exists
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1664
Use INSERT ... ON DUPLICATE KEY UPDATE
QUERY:
INSERT INTO table (id, name, age) VALUES(1, "A"...
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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