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How to get package name from anywhere?
... and View.getContext() , through which I can actually call Context.getPackageName() to retrieve the package name of an application.
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User recognition without cookies or local storage
...ng Random Data. You can't store the user's identity reliably because:
Cookies Can be deleted
IP address Can change
Browser Can Change
Browser Cache may be deleted
A Java Applet or Com Object would have been an easy solution using a hash of hardware information, but these days people are so secu...
PostgreSQL - fetch the row which has the Max value for a column
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On a table with 158k pseudo-random rows (usr_id uniformly distributed between 0 and 10k, trans_id uniformly distributed between 0 and 30),
By query cost, below, I am referring to Postgres' cost based optimizer's cost estimate (with Postgres' d...
Calculating distance between two points, using latitude longitude?
...ct results but the small errors add up if you are processing say a GPS track. Here is an implementation of the Haversine method in Java which also takes into account height differences between two points.
/**
* Calculate distance between two points in latitude and longitude taking
* into account ...
Data structure for loaded dice?
Suppose that I have an n-sided loaded die where each side k has some probability p k of coming up when I roll it. I'm curious if there is good algorithm for storing this information statically (i.e. for a fixed set of probabilities) so that I can efficiently simulate a random roll of the die.
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In Vim is there a way to delete without putting text in the register?
Using Vim I often want to replace a block of code with a block that I just yanked.
25 Answers
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in Ipython notebook / Jupyter, Pandas is not displaying the graph I try to plot
I am trying to plot some data using pandas in Ipython Notebook, and while it gives me the object, it doesn't actually plot the graph itself. So it looks like this:
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Get raw POST body in Python Flask regardless of Content-Type header
Previously, I asked How to get data received in Flask request because request.data was empty. The answer explained that request.data is the raw post body, but will be empty if form data is parsed. How can I get the raw post body unconditionally?
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How much does it cost to develop an iPhone application? [closed]
How much can a developer charge for an iPhone app like Twitterrific ?
10 Answers
10
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How can I upgrade specific packages using pip and a requirements file?
...e, in a virtualenv, for my Django projects. I'm trying to upgrade some packages, notably Django itself, and I'm getting an error about source code conflicts:
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