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What __init__ and self do on Python?
...reates an empty object. Many classes like to create objects with instances customized to a specific initial state. Therefore a class may define a special method named __init__(), like this:
def __init__(self):
self.data = []
When a class defines an __init__() method, class instantiation autom...
Foreach loop, determine which is the last iteration of the loop
...th every item but the last
}
}
Though you'd probably need to write a custom comparer to ensure that you could tell that the item was the same as the item returned by Last().
This approach should be used with caution as Last may well have to iterate through the collection. While this might not...
What is the proper way to use the node.js postgresql module?
...}
}
This way you can change out your implementation from pg.connect to a custom pool of clients or whatever and only have to change things in one place.
Have a look at the node-pg-query module that does just this.
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How can I add a table of contents to a Jupyter / JupyterLab notebook?
... See screenshot below.
It is easy to install, and takes advantage of the 'custom' JS and CSS codes that get executed whenever a notebook is opened, so you don't need to manually run it.
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Could not find default endpoint element
... This is a helpful answer. On a web service I am using, the custom endpoint had to be bound in the object's initial declaration. It wouldn't work if I tried to do it later.
– Paul Morel
Apr 3 '12 at 22:33
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Draw text in OpenGL ES
...me (like a HUD with the player´s score etc). The text would need to use a custom font also.
13 Answers
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What are the respective advantages/limitations of Amazon RDS vs. EC2 with MySQL? [closed]
...not restore an individual database. I have a web app with several separate customer-specific databases and my solution was to launch an EC2 instance with SQL running on it to attach to the production RDB database and import the data and then back it up on the EC2 instance. The other solution was to ...
Rails - Validate Presence Of Association?
...ere a method I can call to make sure this is true, or do I need to write a custom validation?
4 Answers
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What is the intended use-case for git stash?
...ation of your code and save in stashes without branches and commitsor your custom case!
And later you can use some of stashes and check wich is better.
Part 3:
Stash command for local hide your changes.
If you want work remotely you must commit and push.
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Generating a random & unique 8 character string using MySQL
...END
Usage SELECT RANDSTRING(8) to return an 8 character string.
You can customize the @allowedChars.
Uniqueness isn't guaranteed - as you'll see in the comments to other solutions, this just isn't possible. Instead you'll need to generate a string, check if it's already in use, and try again if ...