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Is it possible to set a number to NaN or infinity?
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Cast from string using float():
>>> float('NaN')
nan
>>> float('Inf')
inf
>>> -float('Inf')
-inf
>>> float('Inf') == float('Inf')
True
>>> float('Inf') == 1
False
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What does passport.session() middleware do?
I am building an authentication system using Passport.js using Easy Node Authentication: Setup and Local tutorial .
4 Answ...
Differences between Intent and PendingIntent
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Intent
An Android Intent is an object carrying an intent, i.e. a message from one component to another component either inside or outside of the application. Intents can communicate messages among any of the three core components of an application -- Activities, ...
How to save traceback / sys.exc_info() values in a variable?
... traceback.format_exc()
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>>> print var
Traceback (most recent call last):
File "<stdin>", line 2, in <module>
ValueError: invalid literal for int() with base 10: 'k'
You should however take a look at the traceback documentation, as you might find there more suitable meth...
Relatively position an element without it taking up space in document flow
How can I relatively position an element, and have it not take up space in the document flow?
6 Answers
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Difference between SelectedItem, SelectedValue and SelectedValuePath
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Their names can be a bit confusing :). Here's a summary:
The SelectedItem property returns the entire object that your list is bound to. So say you've bound a list to a collection of Category objects (with each Category object having...
How do DATETIME values work in SQLite?
...t have a storage class set aside for storing dates and/or times" and it's "capable of storing dates and times as TEXT, REAL, or INTEGER values".
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What is the advantage of using Restangular over ngResource?
...reated a section on the README with the differences against $resource. You can check them out here https://github.com/mgonto/restangular/blob/master/README.md#differences-with-resource
Anyway, as a sum up, besides the additional features and the promise based approach, the idea is that Restangular ...
Python logging not outputting anything
...so') # will not print anything
The 'info' line doesn't print anything, because the level is higher than info.
To change the level, just set it in the root logger:
'root':{'handlers':('console', 'file'), 'level':'DEBUG'}
In other words, it's not enough to define a handler with level=DEBUG, the ...
An async/await example that causes a deadlock
I came across some best practices for asynchronous programming using c#'s async / await keywords (I'm new to c# 5.0).
5 A...