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Which is more efficient, a for-each loop, or an iterator?
... compilers are not guaranteed to generate the same bytecode, right? To see what the actual difference is between the two, let's go straight to the source and check the Java Language Specification, specifically 14.14.2, "The enhanced for statement":
The enhanced for statement is equivalent to a b...
Get generic type of class at runtime
... @JoachimSauer, yes value types. I'd always wanted those in java. Btw what do you mean by specialized code?
– Pacerier
Jul 19 '12 at 17:31
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Combining multiple commits before pushing in Git [duplicate]
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What you want to do is referred to as "squashing" in git. There are lots of options when you're doing this (too many?) but if you just want to merge all of your unpushed commits into a single commit, do this:
git rebase -i ...
Why does the C preprocessor interpret the word “linux” as the constant “1”?
...ols such as unix and vax was a way to allow code to detect at compile time what system it was being compiled for. There was no official language standard back then (beyond the reference material at the back of the first edition of K&R), and C code of any complexity was typically a complex maze o...
MySQL - why not index every field?
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True, but the constraints are not what they were 10+ years ago.
– OMG Ponies
Mar 27 '11 at 2:39
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Django connection to PostgreSQL: “Peer authentication failed”
...rust; NOTE this means there will be no database password, which may not be what you want)
# TYPE DATABASE USER CIDR-ADDRESS METHOD
# "local" is for Unix domain socket connections only
local all all trust
# IPv4 local connections:
host ...
How to vertically align an image inside a div
... If we want to make it work for vertical align bottom instead of middle, what codes should be modified?
– bobo
Mar 16 '16 at 23:53
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'uint32_t' identifier not found error
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Sorry Peter, I'm new to C . What is Boost's cstdint implementation?
– kevin
Mar 2 '11 at 2:42
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Convert string to nullable type (int, double, etc…)
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That's what I need to know... I have to use the underlying type of a Nullable-Type when using the Convert.ChangeType-Method. Because it don't works with a Nullable-Typ for parameter conversionType.
– Marcus.D
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Remote debugging with Android emulator
...for the first time may lead to give up (well, I gave up).
Under Windows, what follows requires having Cygwin installed with the package httptunnel. This must work under Linux / httptunnel as well but I didn't try.
Run the emulator on one of the machines (let's say its host name is HostEmulator)...