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Filtering Pandas DataFrames on dates
I have a Pandas DataFrame with a 'date' column. Now I need to filter out all rows in the DataFrame that have dates outside of the next two months. Essentially, I only need to retain the rows that are within the next two months.
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Why should we typedef a struct so often in C?
...As Greg Hewgill said, the typedef means you no longer have to write struct all over the place. That not only saves keystrokes, it also can make the code cleaner since it provides a smidgen more abstraction.
Stuff like
typedef struct {
int x, y;
} Point;
Point point_new(int x, int y)
{
Point a...
What does [].forEach.call() do in JavaScript?
I was looking at some snippets of code, and I found multiple elements calling a function over a node list with a forEach applied to an empty array.
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Rails: How do I create a default value for attributes in Rails activerecord's model? [duplicate]
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add_column :status, :string, :default => "P"
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OR
You can use a callback, before_save
class Task < ActiveRecord::Base
before_save :default_values
def default_values
self.status ||= 'P' # note self.status = 'P' if self.status.nil? might be safer (per @frontendbeauty)
end
end
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Algorithm to implement a word cloud like Wordle
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I'm the creator of Wordle. Here's how Wordle actually works:
Count the words, throw away boring words, and sort by the count, descending. Keep the top N words for some N. Assign each word a font size proportional to its count. Generate a Java2D Shape for each word, using t...
Ignoring accented letters in string comparison
...for this, I wish I could upvote more than once! However, it doesn't handle all accented letters, for example ð, ħ and ø are not converted to o, h and o respectively. Is there any way to handle these as well?
– Avrohom Yisroel
Aug 2 '17 at 14:07
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MVC pattern on Android
... means a part of the Activity instantiation. You CAN (but do not have to) call various Activity methods that interact with your views when and if you see fit. Second question: Assuming Activity is intended to take the "controller" role (I believe many Android devs see it that way) why not talk to yo...
Non-recursive depth first search algorithm
...ting how similar the two are when done non-recursively (as if they're radically different when they're recursive, but still...)
– corsiKa
Mar 11 '11 at 23:49
3
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An ASP.NET setting has been detected that does not apply in Integrated managed pipeline mode
I Installed DotNetOpenAuth SDK-3.4.5.10201.vsix and I can't get it working.
It works locally (when I run as localhost) but when i try to publish it ain't working.
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Recover from git reset --hard?
...eset HEAD@{1}
This will restore to the previous HEAD
[1] vim e.g. optionally stores persistent undo, eclipse IDE stores local history; such features might save your a**
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