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How can I add a help method to a shell script?
...
exit 1
;;
esac
done
shift $((OPTIND - 1))
To use this inside a function:
use "$FUNCNAME" instead of $(basename "$0")
add local OPTIND OPTARG before calling getopts
share
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improv...
Haskell export current module with additional imported module
...which re-exports a module in addition to exporting everything visible inside?
1 Answer
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What does .SD stand for in data.table in R
...ta acronym usually cited/created by Josh, I think it's also helpful to consider the "S" to stand for "Selfsame" or "Self-reference" -- .SD is in its most basic guise a reflexive reference to the data.table itself -- as we'll see in examples below, this is particularly helpful for chaining together "...
Get JSF managed bean by name in any Servlet related class
...n't work when you're using @Named @ViewScoped because the bean can only be identified by JSF view state and that's only available when the FacesServlet has been invoked. So in a filter which runs before that, accessing an @Injected @ViewScoped will always throw ContextNotActiveException.
Only when ...
C++ template typedef
...
@StackedCrooked: Depends on his goals. I avoid inheritance when composition will do (and yeah, inheriting constructors will make both of these easier), but I also avoid composition when a typedef will do.
– GManNickG
Aug 24 '12 at...
Git: Permission denied (publickey) fatal - Could not read from remote repository. while cloning Git
...the following in terminal on GitBash, OSX or Linux:
# Lists already added identities (‘ssh keys’)
ssh-add -l
Then, if you don't see your key listed, add it with the following (replace identity with its real name):
# Add a new identity
ssh-add ~/.ssh/identity
This worked for me.
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JPA eager fetch does not join
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JPA doesn't provide any specification on mapping annotations to select fetch strategy. In general, related entities can be fetched in any one of the ways given below
SELECT => one query for root entities + one query for related mapped e...
Can someone explain the HTML5 aria-* attribute?
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function() {
// Have to fire editor after snippets, if snippets enabled...
Razor view engine, how to enter preprocessor(#if debug)
... return false;
#endif
}
Then used it in my views like so:
<section id="sidebar">
@Html.Partial("_Connect")
@if (!Html.IsDebug())
{
@Html.Partial("_Ads")
}
<hr />
@RenderSection("Sidebar", required: false)
</section>
Since the helper is...
Meaning of epsilon argument of assertEquals for double values
...mum delta between expected and actual for which both numbers are still considered equal." So I think that should be a <= not <.
– Andrew Cheong
Apr 16 '18 at 17:00
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