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Converting a Uniform Distribution to a Normal Distribution
How can I convert a uniform distribution (as most random number generators produce, e.g. between 0.0 and 1.0) into a normal distribution? What if I want a mean and standard deviation of my choosing?
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How to nicely format floating numbers to String without unnecessary decimal 0?
An 64-bit double can represent integer +/- 2 53 exactly
26 Answers
26
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Python pandas: fill a dataframe row by row
...Series tells pandas
that you want to align the input (for example you then don't have to to specify all of the elements)
In [7]: df = pandas.DataFrame(columns=['a','b','c','d'], index=['x','y','z'])
In [8]: df.loc['y'] = pandas.Series({'a':1, 'b':5, 'c':2, 'd':3})
In [9]: df
Out[9]:
a b ...
Use cases for NoSQL [closed]
...proach is analogous to taking a car and trying to use it to pull your cart down the road like a horse.
It's a natural reaction due to everyone's experience of course, but the real value in using a document database is being able to simplify your datamodel and minimize your suffering as a developer....
Insert text with single quotes in PostgreSQL
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String literals
Escaping single quotes ' by doubling them up -> '' is the standard way and works of course:
'user's log' -- incorrect syntax (unbalanced quote)
'user''s log'
In old versions or if you still run with standard_conforming_strings = off or, general...
How to convert FileInputStream to InputStream? [closed]
I just want to convert a FileInputStream to an InputStream , how can I do that?
5 Answers
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This IP, site or mobile application is not authorized to use this API key
...esting purpose. Else leave the IP Address section blank.
5) Once you are done, click create and your new Server Key will be generated and you can then add that server key to your URL.
Last thing is that, instead of putting the sensor=true in the middle of the URL, you can add it in the end like t...
what happens when you type in a URL in browser [closed]
...browser decodes response (e.g. if it's gzipped)
browser determines what to do with response (e.g. is it a HTML page, is it an image, is it a sound clip?)
browser renders response, or offers a download dialog for unrecognized types
Again, discussion of each of these points have filled countless pag...
How can I change CSS display none or block property using jQuery?
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The correct way to do this is to use show and hide:
$('#id').hide();
$('#id').show();
An alternate way is to use the jQuery css method:
$("#id").css("display", "none");
$("#id").css("display", "block");
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What are the dangers when creating a thread with a stack size of 50x the default?
... the stack will be an enormous improvement.
If you can recycle an array, do so whenever you can! The heap is the best place for long-term object storage. (polluting global memory isn't nice; stack frames can disappear)
(Note: 1. only applies to value types; reference types will be allocated on t...