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How can I sanitize user input with PHP?
...nly case where you need to actively filter data, is if you're accepting preformatted input. For example, if you let your users post HTML markup, that you plan to display on the site. However, you should be wise to avoid this at all cost, since no matter how well you filter it, it will always be a po...
How do sessions work in Express.js with Node.js?
...default held in memory, although that could be altered to whatever storage form implements the appropriate API.
So if you want to check things without a specific req request object, like you said, you need to just access that same storage. On the bottom of the first documentation page, it details ...
How do I save and restore multiple variables in python?
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With the second form you do not close the file. This is not considered good practice, as the number of files that you can be opened in parallel is usually quite limited by the operating systems (try a loop that opens files without closing th...
Simple basic explanation of a Distributed Hash Table (DHT)
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This gives a lot of fault-tolerance and reliability, and possibly some performance benefit, but it also throws up a lot of headaches. For example, what happens when a node leaves the network, by failing or otherwise? And how do you redistribute keys when a node joins so that the load is roughly bal...
urllib2.HTTPError: HTTP Error 403: Forbidden
...s traded in percentage. These conveniently presented as list of dictionary form.
Python 3.X version with requests and BeautifulSoup
from requests import get
from csv import DictReader
from bs4 import BeautifulSoup as Soup
from datetime import date
from io import StringIO
SECURITY_NAME="3MINDIA" ...
How to hash a string into 8 digits?
...digits using modulo operations or string slicing operations on the integer form of the hash:
>>> s = 'she sells sea shells by the sea shore'
>>> # Use hashlib
>>> import hashlib
>>> int(hashlib.sha1(s).hexdigest(), 16) % (10 ** 8)
58097614L
>>> # Use h...
When to use os.name, sys.platform, or platform.system?
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Dived a bit into the source code.
The output of sys.platform and os.name are determined at compile time. platform.system() determines the system type at run time.
sys.platform is specified as a compiler define during the build configuration.
os.name checks whether certain os spe...
Example of Named Pipes
...xchange.using('gps', function() { StackExchange.gps.track('embedded_signup_form.view', { location: 'question_page' }); });
$window.unbind('scroll', onScroll);
}
};
...
ASP.NET MVC - Should business logic exist in controllers?
...re you want to write a business app with a desktop interface (say, windows forms or WPF) and also a web interface. Solving that problem leads you to the "skinny controller" pattern as is advocated here also. Bottom line: never put business logic in a model or a controller and don't put anything in...
Drawing a line/path on Google Maps
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if you add more points to form a closed area, then you can draw a polygon filled with Color.RED.
– user538565
Dec 6 '11 at 3:19
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