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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.
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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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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...
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...
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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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....
In Intellij, how do I toggle between camel case and underscore spaced?
...storyOfPresentIllness and when i write the sql, I want to name it history_of_present_illness . Is there a keyboard shortcut to switch from one to the other when I have the phrase highlighted? Or perhaps a plugin that can do this?
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How can I split and parse a string in Python?
I am trying to split this string in python: 2.7.0_bf4fda703454
3 Answers
3
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Stripping everything but alphanumeric chars from a string in Python
...ng.printable (part of the built-in string module). The use of compiled '[\W_]+' and pattern.sub('', str) was found to be fastest.
$ python -m timeit -s \
"import string" \
"''.join(ch for ch in string.printable if ch.isalnum())"
10000 loops, best of 3: 57.6 usec per loop
$ python -m tim...
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() )?
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