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Why does .NET foreach loop throw NullRefException when collection is null?
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Well, the short answer is "because that's the way the compiler designers designed it." Realistically, though, your collection object is null, so there's no way for the compiler to get the enumerator to loop through the collection.
If you really need ...
How to install the Raspberry Pi cross compiler on my Linux host machine?
I am attempting to get cross-compiling for Raspberry Pi working on my Ubuntu machine.
8 Answers
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Entity Framework and SQL Server View
For several reasons that I don't have the liberty to talk about, we are defining a view on our Sql Server 2005 database like so:
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Correct way to write loops for promise.
... and the chained logger.log(res) runs synchronously through iteration? (bluebird)
13 Answers
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Proper use of the HsOpenSSL API to implement a TLS Server
...> Socket -> IO ()
copyIn src dst = go
where
go = do
buf <- SSL.read src 4096
unless (B.null buf) $ do
SB.sendAll dst buf
go
copyOut :: Socket -> SSL.SSL -> IO ()
copyOut src dst = go
where
go = do
buf <- SB.recv s...
ValueError: The truth value of an array with more than one element is ambiguous. Use a.any() or a.al
I just discovered a logical bug in my code which was causing all sorts of problems. I was inadvertently doing a bitwise AND instead of a logical AND .
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Makefile, header dependencies
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If you are using a GNU compiler, the compiler can assemble a list of dependencies for you. Makefile fragment:
depend: .depend
.depend: $(SRCS)
rm -f ./.depend
$(CC) $(CFLAGS) -MM $^ -MF ./.depend;
include .depend
or
depend: .depend
.depend: $(SRCS)
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Turning a Comma Separated string into individual rows
I have a SQL Table like this:
16 Answers
16
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Parse JSON in TSQL
Is it possible to parse JSON in TSQL ?
9 Answers
9
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How do I sort strings alphabetically while accounting for value when a string is numeric?
I'm trying to sort an array of numbers that are strings and I'd like them to sort numerically.
19 Answers
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