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Core Data: Quickest way to delete all instances of an entity
I'm using Core Data to locally persist results from a Web Services call. The web service returns the full object model for, let's say, "Cars" - could be about 2000 of them (and I can't make the Web Service return anything less than 1 or ALL cars.
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Cleanest way to toggle a boolean variable in Java?
Is there a better way to negate a boolean in Java than a simple if-else?
9 Answers
9
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How to check if a column exists in a SQL Server table?
I need to add a specific column if it does not exist. I have something like the following, but it always returns false:
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What's the difference between “Layers” and “Tiers”?
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Logical layers are merely a way of
organizing your code. Typical layers
include Presentation, Business and
Data – the same as the traditional
3-tier model. But when we’re talking
about layers, we’re only talking about
logical organization of code. In ...
Sass or Compass without ruby?
Is there a way to use Sass or Compass or anything like that without Ruby?
7 Answers
7...
How to Empty Caches and Clean All Targets Xcode 4 and later
Jonathan suggest here: Xcode Includes .xib files that have been deleted! that cleaning all targets and empty the caches will fix the problem with Xcode including deleted .xib files but I cannot find a way to empty the cache in Xcode 4.
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How to maintain a Unique List in Java?
How to create a list of unique/distinct objects (no duplicates) in Java?
7 Answers
7
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How to declare a global variable in a .js file
I need a few global variables that I need in all .js files.
5 Answers
5
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How do I manually create a file with a . (dot) prefix in Windows? For example, .htaccess
... .htaccess file manually and discovered it seems impossible through the Windows UI. I get a "you must type a filename." message. There has to be a way to create files with . as a prefix in Windows.
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What does it mean: The serializable class does not declare a static final serialVersionUID field? [d
I have the warning message given in the title. I would like to understand and remove it. I found already some answers on this question but I do not understand these answers because of an overload with technical terms. Is it possible to explain this issue with simple words?
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