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How do I rename a column in a SQLite database table?
...ucture and data. If you want metadata (indices, foreign keys, constraints, etc.), then you also have to issue statements to create them on the replaced table.
– Tom Mayfield
Sep 5 '12 at 18:04
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When should we use Observer and Observable?
... end of the process rather than at each small step). This is done through setChanged(). So you just call it when you changed something to the Observable and you want the rest of the Observers to eventually know about it.
Notifying all observers that the specific Observable has changed state. This is...
Why does overflow:hidden not work in a ?
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I'm not familiar with the specific issue, but you could stick a div, etc inside the td and set overflow on that.
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Difference between acceptance test and functional test?
...qualities you've designed or build (functions, speed, errors, consistency, etc.)
Acceptance testing - test the product in its context, this requires (simulation of) human interaction, test it has the desired effect on the original problem(s).
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Make WPF window draggable, no matter what element is clicked
...y form suddenly starts moving because I clicked a listbox, button, label...etc. that would be confusing.
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Python Pandas merge only certain columns
...aFrame df1 with columns x, y, z, and df2 with columns x, a ,b, c, d, e, f, etc.
5 Answers
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Can I make a pull request on a gist on GitHub?
...d that can be done in the comments. By NOT allowing pull requests, issues, etc. on gists, it allows the author to reply to such a comment with, "nah, it was just a hack I threw together and don't intend to support."
StackOverflow won't let you link to pastebin without including a code block. Done.
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How to find corresponding log files folder for a web site?
...eb sites and multiple folders under inetpub\logs\LogFiles (W3SVC1, W3SVC2, etc). How can I find what folder is used by a given web site?
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Advantages and disadvantages of GUID / UUID database keys
... of a guid not begin sequential in anyway, thus their will be page splits, etc when you insert. Just something to consider if the system is going to have high IO...
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Virtual functions and performance - C++
...ourse cannot optimise based on what might happen at runtime, so prediction etc would have to be done by the CPU itself... but good C++ compilers (if instructed) go to great lengths to optimise functions and loops long before runtime.
– underscore_d
Apr 10 '16 a...