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Simplest way to do a recursive self-join?

...e ultimate ancestors in your chain, change it as appropriate UNION ALL SELECT m.* FROM mytable m JOIN q ON m.parentID = q.PersonID ) SELECT * FROM q By adding the ordering condition, you can preserve the tree order: WITH q AS ...
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Git stash twice

... You can get a list of all stashes with git stash list which will show you something like stash@{0}: WIP on dev: 1f6f8bb Commit message A stash@{1}: WIP on master: 50cf63b Commit message B If you made two stashes, then just call git stash pop...
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How do I get the current date and time in PHP?

...e time would go by your server time. An easy workaround for this is to manually set the timezone by using date_default_timezone_set before the date() or time() functions are called to. I'm in Melbourne, Australia so I have something like this: date_default_timezone_set('Australia/Melbourne'); Or...
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xUnit.net: Global setup + teardown?

... protected TestsBase() { // Do "global" initialization here; Called before every test method. } public void Dispose() { // Do "global" teardown here; Called after every test method. } } public class DummyTests : TestsBase { // Add test methods } However, ...
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How to design a product table for many kinds of product where each product has many parameters

...the type hierarchy you describe: Single Table Inheritance: one table for all Product types, with enough columns to store all attributes of all types. This means a lot of columns, most of which are NULL on any given row. Class Table Inheritance: one table for Products, storing attributes common to...
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How can I convert uppercase letters to lowercase in Notepad++

... @LucVu: This is called Title Case, Notepad++ calls it Proper Case and the answer is here: superuser.com/questions/115432/… – Erlend Leganger Jun 10 '16 at 7:00 ...
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Resolving LNK4098: defaultlib 'MSVCRT' conflicts with

...ne. Note how these libraries are not mentioned here. The linker automatically figures out what /M switch was used by the compiler and which .lib should be linked through a #pragma comment directive. Kinda important, you'd get horrible link errors and hard to diagnose runtime errors if there was a...
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Relationship between SciPy and NumPy

SciPy appears to provide most (but not all [1]) of NumPy's functions in its own namespace. In other words, if there's a function named numpy.foo , there's almost certainly a scipy.foo . Most of the time, the two appear to be exactly the same, oftentimes even pointing to the same function object. ...
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What is the difference between gsub and sub methods for Ruby Strings

...ticed before. I've been using :gsub and it appears that they are essentially the same. Can anyone explain the difference to me? Thanks! ...
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Stylecop vs FXcop

...e. It makes decisions regarding style primarily to avoid holy wars (after all, style is almost always an inherently subjective thing). I don't think I've ever met someone who liked all of StyleCop's rules, but that's ok. It means that StyleCop is a generally good compromise amongst the vast set o...