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what is the difference between ?:, ?! and ?= in regex?

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Simple way to transpose columns and rows in SQL?

...phasized that I want a method to transpose the results of a query on a database. A simple transpose type command that can be executed on the result set from a query without having to know anything about the query itself, or the columns, tables etc it is extracting info from. Something like: (TRANS...
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Efficient evaluation of a function at every cell of a NumPy array

... like for ind in range(arr.size), use numpy.unravel_index to get i, j, .. based on your 1D index and shape of array numpy.unravel_index This answers is inspired by my answer on other question here share | ...
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Cleanest and most Pythonic way to get tomorrow's date?

...ccounted for by exactly 86400 seconds" opengroup.org/onlinepubs/9699919799/basedefs/… – Roger Pate Nov 29 '09 at 23:42 ...
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WPF Application that only has a tray icon

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Why should Java ThreadLocal variables be static

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What is a tracking branch?

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Confusion: @NotNull vs. @Column(nullable = false) with JPA and Hibernate

...ull is a JSR 303 Bean Validation annotation. It has nothing to do with database constraints itself. As Hibernate is the reference implementation of JSR 303, however, it intelligently picks up on these constraints and translates them into database constraints for you, so you get two for the price of ...
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What is Castle Windsor, and why should I care?

...em in WorkflowStepper: new WorkflowStepper(emailSender, alertRegistry, databaseConnection).Step() Imagine not worrying about the details of EmailSender when you are writing WorkflowStepper or AlertRegistry You just worry about the concern you are working with. Imagine this whole graph (tree) of obje...
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PowerShell: Store Entire Text File Contents in Variable

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