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Cloning a MySQL database on the same MySql instance
I would like to write a script which copies my current database sitedb1 to sitedb2 on the same mysql database instance. I know I can dump the sitedb1 to a sql script:
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Python: Convert timedelta to int in a dataframe
I would like to create a column in a pandas data frame that is an integer representation of the number of days in a timedelta column. Is it possible to use 'datetime.days' or do I need to do something more manual?
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How do you send a HEAD HTTP request in Python 2?
What I'm trying to do here is get the headers of a given URL so I can determine the MIME type. I want to be able to see if http://somedomain/foo/ will return an HTML document or a JPEG image for example. Thus, I need to figure out how to send a HEAD request so that I can read the MIME type without...
Why aren't superclass __init__ methods automatically invoked?
... the Python designers decide that subclasses' __init__() methods don't automatically call the __init__() methods of their superclasses, as in some other languages? Is the Pythonic and recommended idiom really like the following?
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Javascript: Extend a Function
The main reason why I want it is that I want to extend my initialize function.
6 Answers
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Syntax of for-loop in SQL Server
... There is no limit on stressing (especially for those that are new to SQL), what Damien said: "SQL is a very different language compared to what you're used to. It's focused on what, not how. You tell SQL Server what results you want, and let it figure out how to produce the answer. "
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Get the name of an object's type
.... The name of thing's class, regardless of thing's type, is thing.constructor.name. Builtin constructors in an ES2015 environment have the correct name property; for instance (2).constructor.name is "Number".
But here are various hacks that all fall down in one way or another:
Here is a hack that ...
Convert a PHP object to an associative array
I'm integrating an API to my website which works with data stored in objects while my code is written using arrays.
32 Answ...
Facebook Android Generate Key Hash
Trying to create an android app with Facebook integration, I've gotten to the part in the docs where you have to generate a key hash file, it specifies to run the following code
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How do I find out which keystore was used to sign an app?
I have an app which is signed and several keystore files. I'd like to update the app, so I need to find out which one of keys was used.
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