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Does every Core Data Relationship have to have an Inverse?
Let's say I have two Entity classes: SocialApp and SocialAppType
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Pros and Cons of Interface constants [closed]
PHP interfaces allow the definition of constants in an interface, e.g.
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What is the difference between a static and a non-static initialization code block
My question is about one particular usage of static keyword. It is possible to use static keyword to cover a code block within a class which does not belong to any function. For example following code compiles:
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When do you use varargs in Java?
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Varargs are useful for any method that needs to deal with an indeterminate number of objects. One good example is String.format. The format string can accept any number of parameters, so you need a mechanism to pass in any number of objects.
String.format("This is an integer:...
What is the difference between syntax and semantics in programming languages?
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Syntax is about the structure or the grammar of the language. It answers the question: how do I construct a valid sentence? All languages, even English and other human (aka "natural") languages have grammars, that is, rules that define whether or not the sentence is properly constructed...
What is the difference between the kernel space and the user space?
...ograms run in user space. User space is basically a form of sand-boxing -- it restricts user programs so they can't mess with memory (and other resources) owned by other programs or by the OS kernel. This limits (but usually doesn't entirely eliminate) their ability to do bad things like crashing th...
How do I upgrade PHP in Mac OS X?
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You may want to check out Marc Liyanage's PHP package. It comes in a nice Mac OS X installer package that you can double-click. He keeps it pretty up to date.
http://php-osx.liip.ch/
Also, although upgrading to Snow Leopard won't help you do PHP updates in the future, it will p...
Is there a “theirs” version of “git merge -s ours”?
When merging topic branch "B" into "A" using git merge , I get some conflicts. I know all the conflicts can be solved using the version in "B".
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String slugification in Python
...rtEquals(r, "jaja-lol-mememeoo-a")
See More examples
This package does a bit more than what you posted (take a look at the source, it's just one file). The project is still active (got updated 2 days before I originally answered, over seven years later (last checked 2020-06-30), it still gets updat...
What is the formal difference in Scala between braces and parentheses, and when should they be used?
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I tried once to write about this, but I gave up in the end, as the rules are somewhat diffuse. Basically, you’ll have to get the hang of it.
Perhaps it is best to concentrate on where curly braces and parenthesis can be used interchangeably:...