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What's the meaning of interface{}?
... switch i.(type) {
case dog:
d.Eat() // Bone
}
i = "4.3"
Printf("%T %v\n", i, i) // string 4.3
s, _ := i.(string) // type assertion
f, _ := strconv.ParseFloat(s, 64)
n := int(f) // type conversion
Printf("%T %v\n", n, n) // int 4
}
type ca...
What languages are Windows, Mac OS X and Linux written in?
...S X, at the kernel layer, is mostly an older, free operating system called BSD (specifically, it’s Darwin, a sort of hybrid of BSD, Mach, and a few other things)... almost entirely C, with a bit of assembler thrown in. (Source)
Much of Cocoa is implemented in Objective-C, an object-oriented langua...
bash/fish command to print absolute path to a file
...id you mean those options are not found on OS X? It seems to be a stunted BSD version... :p
– iconoclast
Jul 24 '14 at 16:13
14
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How to upgrade Eclipse for Java EE Developers?
...o know. But is the FAQ really up-to-date? Could user really upgrade 3.7 to 4.3 for example? What about all those plugins, that can break on newer platform?
– Paul Verest
Jun 28 '13 at 7:14
...
Is \d not supported by grep's basic expressions?
...
BSD grep's -E mode includes \d. But GNU grep's -E mode does not. That's so glaring I'm shocked I'm just discovering it now.
– Keith Tyler
Jun 23 '16 at 0:20
...
How to set current working directory to the directory of the script in bash?
...e path can break when sourcing it (source/.).
For Linux, Mac and other *BSD:
cd "$(dirname "$(realpath "$0")")";
Note: realpath should be installed in the most popular Linux distribution by default (like Ubuntu), but in some it can be missing, so you have to install it.
Note: If you're using...
Peak memory usage of a linux/unix process
...eal memory (resident set) size of the process (in 1024 byte units) from my BSD man page.
– netj
Sep 30 '11 at 0:32
3
...
How to detect the OS from a Bash script?
...]]; then
# I'm not sure this can happen.
elif [[ "$OSTYPE" == "freebsd"* ]]; then
# ...
else
# Unknown.
fi
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How do you run multiple programs in parallel from a bash script?
...parallel.
While -P is a nonstandard option, both the GNU (Linux) and macOS/BSD implementations support it.
The following example:
runs at most 3 commands in parallel at a time,
with additional commands starting only when a previously launched process terminates.
time xargs -P 3 -I {} sh -c 'eval "...
Is the buildSessionFactory() Configuration method deprecated in Hibernate
...serviceRegistry);
return sessionFactory;
}
UPDATE:
In Hibernate 4.3 ServiceRegistryBuilder is deprecated. Use the following instead.
serviceRegistry = new StandardServiceRegistryBuilder().applySettings(
configuration.getProperties()).build();
...