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python pandas dataframe to dictionary
I've a two columns dataframe, and intend to convert it to python dictionary - the first column will be the key and the second will be the value. Thank you in advance.
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Change default primary key in Eloquent
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Yes
class User extends Eloquent {
protected $primaryKey = 'admin_id';
}
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Why does `a == b or c or d` always evaluate to True?
I am writing a security system that denies access to unauthorized users.
3 Answers
3
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Select datatype of the field in postgres
How do I get datatype of specific field from table in postgres ?
For example
I have the following table,
student_details (
stu_id integer,
stu_name varchar(30 ),
joined_date timestamp
);
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Cannot insert explicit value for identity column in table 'table' when IDENTITY_INSERT is set to OFF
I have the below error when I execute the following script. What is the error about, and how it can be resolved?
21 Answers...
Flask-SQLAlchemy how to delete all rows in a single table
How do I delete all rows in a single table using Flask-SQLAlchemy?
3 Answers
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Compare if two variables reference the same object in python
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In the example, x is z returns False. But if x and z are assigned the same values instead of lists (for example x, z = 13, 13) then x is z returns True. Why is that?
– Bill
Dec 13 '15 ...
Why is $$ returning the same id as the parent process?
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$$ is defined to return the process ID of the parent in a subshell; from the man page under "Special Parameters":
$ Expands to the process ID of the shell. In a () subshell, it expands to the process ID of the current shell,...
When to use .First and when to use .FirstOrDefault with LINQ?
...'d want to use .First and when you'd want to use .FirstOrDefault with LINQ.
14 Answers
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How to get text box value in JavaScript
I am trying to use JavaScript to get the value from an HTML text box but value is not coming after white space
15 Answers
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