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Insert new column into table in sqlite?
I have a table with columns name , qty , rate . Now I need to add a new column COLNew in between the name and qty columns. How do I add a new column in between two columns?
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How to amend several commits in Git to change author
I have made a series of commits in Git and I realise now that I forgot to set my user name and user email properties correctly (new machine). I have not yet pushed these commits to my repository, so how can I correct these commits before I do so (only the 3 latest commits on the master branch)?
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Traits vs. interfaces
...later you decide you want to use a file-based cache system instead of APC. Now you have to change your controller code because you've programmed your controller to work with the functionality of the ApcCacher class rather than to an interface that expresses the capabilities of the ApcCacher class. L...
Understanding :source option of has_one/has_many through of Rails
...want to access Dog.find(123).breeds as a nice and convenient association.
Now, if we now want to create a has_many :dog_breeds, :through => :dogs association on Pet, we suddenly have a problem. Rails won't be able to find a :dog_breeds association on Dog, so Rails can't possibly know which Dog a...
How to make vi redraw screen?
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I've been using ctrl+L for such purposes for 35 years now, what's wrong with it?
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How to replace a character with a newline in Emacs?
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It's really a good idea for the characters which I don't know the key bind.
– Lei
Mar 5 '09 at 18:16
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Warn user before leaving web page with unsaved changes
...rn confirmationMessage; //Gecko + Webkit, Safari, Chrome etc.
});
};
Now to implement the isDirty method, there are various approaches.
You can use jQuery and form serialization, but this approach has some flaws. First you have to alter the code to work on any form ($("form").each() will do)...
How does the bitwise complement operator (~ tilde) work?
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How does the machine know it is getting a two complement negative number instead of a higher positive number? Is it because of the type system of the respective language indicating that the type is a signed int versus unsigned?
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How to convert SQL Query result to PANDAS Data Structure?
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Edit: Mar. 2015
As noted below, pandas now uses SQLAlchemy to both read from (read_sql) and insert into (to_sql) a database. The following should work
import pandas as pd
df = pd.read_sql(sql, cnxn)
Previous answer:
Via mikebmassey from a similar question
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How to remove \xa0 from string in Python?
...2012, Python has moved on, you should be able to use unicodedata.normalize now
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