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Can you add new statements to Python's syntax?

...ent to Python, quoted here: This article is an attempt to better understand how the front-end of Python works. Just reading documentation and source code may be a bit boring, so I'm taking a hands-on approach here: I'm going to add an until statement to Python. All the coding for this article wa...
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Rename MySQL database [duplicate]

...his. I think you'll need to dump that database, create the newly named one and then import the dump. If this is a live system you'll need to take it down. If you cannot, then you will need to setup replication from this database to the new one. If you want to see the commands to do this, @jan ha...
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django unit tests without a db

... db? I want to test business logic which doesn't require the db to set up. And while it is fast to setup a db, I really don't need it in some situations. ...
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What is the difference between LL and LR parsing?

... At a high level, the difference between LL parsing and LR parsing is that LL parsers begin at the start symbol and try to apply productions to arrive at the target string, whereas LR parsers begin at the target string and try to arrive back at the start symbol. An LL parse i...
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Is the != check thread safe?

... edited Apr 15 '16 at 12:57 Andrew Tobilko 42.5k1111 gold badges6666 silver badges119119 bronze badges answered Aug 27 '13 at 8:35 ...
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C++ multiline string literal

...le string. " "The disadvantage is that you have to quote " "each part, and newlines must be literal as " "usual."; The indentation doesn't matter, since it's not inside the quotes. You can also do this, as long as you take care to escape the embedded newline. Failure to do so, like my first...
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Only initializers, entity members, and entity navigation properties are supported

... Entity is trying to convert your Paid property to SQL and can't because it's not part of the table schema. What you can do is let Entity query the table with no Paid filter and then filter out the not Paid ones. public ActionResult Index() { var debts = storeDB.Orders ...
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How can I make a horizontal ListView in Android? [duplicate]

Like many things in Android, you wouldn't think this would be such a hard problem but ohhh, by golly, would you be wrong. And, like many things in Android, the API doesn't even provide a reasonably extensible starting point. I'll be damned if I'm going to roll my own ListView, when all I want is t...
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What is the best way to auto-generate INSERT statements for a SQL Server table?

We are writing a new application, and while testing, we will need a bunch of dummy data. I've added that data by using MS Access to dump excel files into the relevant tables. ...
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What does the comma operator , do?

...ression2) First expression1 is evaluated, then expression2 is evaluated, and the value of expression2 is returned for the whole expression. share | improve this answer | fo...