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'id' is a bad variable name in Python
...() is a fundamental built-in:
Help on built-in function id in module
__builtin__:
id(...)
id(object) -> integer
Return the identity of an object. This is guaranteed to be unique among
simultaneously existing objects. (Hint: it's the object's memory
address.)
In g...
How to get the error message from the error code returned by GetLastError()?
...rror message has been recorded
LPSTR messageBuffer = nullptr;
size_t size = FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
NULL, errorMessageID, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPSTR)&a...
Make a link open a new window (not tab) [duplicate]
...he anchor element's attribute target[1]. The value you are looking for is _blank[2].
<a href="www.example.com/example.html" target="_blank">link text</a>
JavaScript option
Forcing a new window is possible via javascript - see Ievgen's excellent answer below for a javascript solution...
How to read and write INI file with Python3?
...['DEFAULT']['path'] = '/var/shared/' # update
config['DEFAULT']['default_message'] = 'Hey! help me!!' # create
with open('FILE.INI', 'w') as configfile: # save
config.write(configfile)
You can find more at the official configparser documentation.
...
How to move a model between two Django apps (Django 1.7)
...ration to remove model from 1st app.
$ python manage.py makemigrations old_app --empty
Edit migration file to include these operations.
class Migration(migrations.Migration):
database_operations = [migrations.AlterModelTable('TheModel', 'newapp_themodel')]
state_operations = [migration...
MVVM in WPF - How to alert ViewModel of changes in Model… or should I?
...ke this:
// Attach EventHandler
PlayerModel.PropertyChanged += PlayerModel_PropertyChanged;
...
// When property gets changed in the Model, raise the PropertyChanged
// event of the ViewModel copy of the property
PlayerModel_PropertyChanged(object sender, PropertyChangedEventArgs e)
{
if (e....
Python Requests and persistent sessions
...ith your requests as you would:
s.post('https://localhost/login.py', login_data)
#logged in! cookies saved for future requests.
r2 = s.get('https://localhost/profile_data.json', ...)
#cookies sent automatically!
#do whatever, s will keep your cookies intact :)
For more about sessions: https://req...
MySQL, Check if a column exists in a table with SQL
...LIKE 'fieldname';
With PHP it would be something like...
$result = mysql_query("SHOW COLUMNS FROM `table` LIKE 'fieldname'");
$exists = (mysql_num_rows($result))?TRUE:FALSE;
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Best algorithm for detecting cycles in a directed graph [closed]
...e following Wikipedia article:
http://en.wikipedia.org/wiki/Topological_sorting
has the pseudo-code for one algorithm, and a brief description of another from Tarjan. Both have O(|V| + |E|) time complexity.
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Why shouldn't I use mysql_* functions in PHP?
What are the technical reasons for why one shouldn't use mysql_* functions? (e.g. mysql_query() , mysql_connect() or mysql_real_escape_string() )?
...