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Is it better to call ToList() or ToArray() in LINQ queries?
... make it into Gen 2 then you may be better off paying the extra allocation now vs polluting the Gen 2 heap. IME though I rarely see this. It's much more common to see ToArray being passed immediately to another short lived LINQ query.
– JaredPar
May 1 '13 at 1...
Understanding NSRunLoop
...y, though there are some (networking) components that may allow you to specify which run loop they will use for I/O processing.
A run loop for a given thread will wait until one or more of its input sources has some data or event, then fire the appropriate input handler(s) to process each input sou...
Copy data into another table
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If both tables are truly the same schema:
INSERT INTO newTable
SELECT * FROM oldTable
Otherwise, you'll have to specify the column names (the column list for newTable is optional if you are specifying a value for all colum...
Gesture recognizer and button actions
...n the right direction. Although this solves my problem, but i still don't know why the responder hierarchy is not working in this case. It probably should, but it's not being handled by Apple.
– Mustafa
Jan 28 '11 at 7:29
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What version of javac built my jar?
... file, and it could have been built in any one of three JDKs. We need to know exactly which one, so we can certify compatibility. Is the compiler version embedded somewhere in the class files or jar?
...
What is a stack trace, and how can I use it to debug my application errors?
...essionImpl.java:689)
at sun.reflect.GeneratedMethodAccessor5.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.hibernate.context.ThreadLocalSessionContext$Transact...
Combine multiple Collections into a single logical Collection?
... constant number of collections (e.g. 3 ArrayLists) as members of a class. Now, I want to expose all the elements to other classes so they can simply iterate over all elements (ideally, read only).
I'm using guava collections and I wonder how I could use guava iterables/iterators to generate a logic...
Subscripts in plots in R
...
If you are looking to have multiple subscripts in one text then use the star(*) to separate the sections:
plot(1:10, xlab=expression('hi'[5]*'there'[6]^8*'you'[2]))
...
What is a web service endpoint?
... have multiple endpoints, for example in order to make it available using different protocols.
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What is this weird colon-member (“ : ”) syntax in the constructor?
...entry is that,
All other things being equal, your code will run faster if you use initialization lists rather than assignment.
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