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How to fix a locale setting warning from Perl?
...produce your problem:
% uname -a
OSF1 hunter2 V5.1 2650 alpha
% perl -e exit
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
LC_ALL = (unset),
LANG = "en_US.UTF-8"
are supported and installed on your system.
perl: warning: Falling back to the...
Volatile boolean vs AtomicBoolean
...(i) { i = temp + 5 }
}
If a variable is volatile, every atomic access to it is synchronized, but it is not always obvious what actually qualifies as an atomic access. With an Atomic* object, it is guaranteed that every method is "atomic".
Thus, if you use an AtomicInteger and getAndAdd(int delta...
Does Go provide REPL?
The interactive environment is VERY helpful for a programmer. However, it seems Go does not provide it. Is my understanding correct?
...
Number of lines in a file in Java
...& !empty) ? 1 : count;
} finally {
is.close();
}
}
EDIT, 9 1/2 years later: I have practically no java experience, but anyways I have tried to benchmark this code against the LineNumberReader solution below since it bothered me that nobody did it. It seems that especially for l...
How to quickly check if folder is empty (.NET)?
I have to check, if directory on disk is empty. It means, that it does not contain any folders/files. I know, that there is a simple method. We get array of FileSystemInfo's and check if count of elements equals to zero. Something like that:
...
Why is `std::move` named `std::move`?
The C++11 std::move(x) function doesn't really move anything at all. It is just a cast to r-value. Why was this done? Isn't this misleading?
...
How do I fire an event when a iframe has finished loading in jQuery?
I have to load a PDF within a page.
13 Answers
13
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Windows batch: formatted date into variable
...="') do set %%x
set today=%Year%-%Month%-%Day%
Much nicer than fiddling with substrings, at the expense of polluting your variable namespace.
If you need UTC instead of local time, the command is more or less the same:
for /f %%x in ('wmic path win32_utctime get /format:list ^| findstr "="') do ...
What is “lifting” in Haskell?
..." is? (I'm completely ignorant about monads, too :) Or can someone explain it to me with simple words?
5 Answers
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How is it possible to declare nothing inside main() in C++ and yet have a working application after
In an interview I was confronted with a question such as this:
6 Answers
6
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