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How to select rows with no matching entry in another table?
I'm doing some maintenance work on a database application and I've discovered that, joy of joys, even though values from one table are being used in the style of foreign keys, there's no foreign key constraints on the tables.
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Reverse Range in Swift
Is there a way to work with reverse ranges in Swift?
7 Answers
7
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Skip first entry in for loop in python?
In python, How do I do something like:
13 Answers
13
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How to think in data stores instead of databases?
As an example, Google App Engine uses Google Datastore, not a standard database, to store data. Does anybody have any tips for using Google Datastore instead of databases? It seems I've trained my mind to think 100% in object relationships that map directly to table structures, and now it's hard t...
Namespace + functions versus static methods on a class
Let's say I have, or am going to write, a set of related functions. Let's say they're math-related. Organizationally, should I:
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How to lose margin/padding in UITextView?
I have a UITextView in my iOS Application, which displays a large amount of text.
22 Answers
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Best practices: throwing exceptions from properties
When is it appropriate to throw an exception from within a property getter or setter? When is it not appropriate? Why? Links to external documents on the subject would be helpful... Google turned up surprisingly little.
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#include in .h or .c / .cpp?
When coding in either C or C++, where should I have the #include 's?
4 Answers
4
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Design by contract using assertions or exceptions? [closed]
When programming by contract a function or method first checks whether its preconditions are fulfilled, before starting to work on its responsibilities, right? The two most prominent ways to do these checks are by assert and by exception .
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When to use volatile with multi threading?
If there are two threads accessing a global variable then many tutorials say make the variable volatile to prevent the compiler caching the variable in a register and it thus not getting updated correctly.
However two threads both accessing a shared variable is something which calls for protection v...
