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returning a Void object
What is the correct way to return a Void type, when it isn't a primitive? Eg. I currently use null as below.
5 Answers
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What is the expected syntax for checking exception messages in MiniTest's assert_raises/must_raise?
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err = ->{ bar.do_it }.must_raise RuntimeError syntax did not work for me, It kept raising the following exception. NoMethodError: undefined method `assert_raises' for nil:NilClass
– thanikkal
Oct 13 '15 at 18:52
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Do regular expressions from the re module support word boundaries (\b)?
... @darren: See my last example which just improves on what you did. I provided raw strings to search.
– pyfunc
Oct 22 '10 at 8:44
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Should I use @EJB or @Inject
...nd this question: What is the difference between @Inject and @EJB but I did not get any wiser. I have not done Java EE before nor do I have experience with dependency injection so I do not understand what I should use?
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Npm install failed with “cannot run in wd”
...re):
If npm was invoked with root privileges, then it will change the uid to the user account or uid specified by the user config, which defaults to nobody. Set the unsafe-perm flag to run scripts with root privileges.
Your options are:
Run npm install with the --unsafe-perm flag:
[sudo] np...
HMAC-SHA1 in bash
...at older versions of openssl (such as that shipped with RHEL4) may not provide the -hmac option.
As an alternative solution, but mainly to prove that the results are the same, we can also call PHP's hmac_sha1() from the command line:
[me@home]$ echo '<?= hash_hmac("sha1", "value", "key") ?>...
How should I call 3 functions in order to execute them one after the other?
...S6 Promises and jQuery animations.
Promise.resolve($('#art1').animate({ 'width': '1000px' }, 1000).promise()).then(function(){
return Promise.resolve($('#art2').animate({ 'width': '1000px' }, 1000).promise());
}).then(function(){
return Promise.resolve($('#art3').animate({ 'width': '1000px'...
Removing packages installed with go get
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At first I looked for $GOPATH/pkg/architecture/ which didn't exist. Then I realized that what you were referring to was $GOPATH/pkg/{{architecture}}, example $GOPATH/pkg/windows_amd64.
– Nucleon
Dec 9 '12 at 23:09
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Guava: Why is there no Lists.filter() function?
... view onto the original list. Creating a view would be pretty tricky - consider this situation:
Predicate<StringBuilder> predicate =
/* predicate returning whether the builder is empty */
List<StringBuilder> builders = Lists.newArrayList();
List<StringBuilder> view = Lists.fi...
JavaScript - Get Portion of URL Path
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There is a property of the built-in window.location object that will provide that for the current window.
// If URL is http://www.somedomain.com/account/search?filter=a#top
window.location.pathname // /account/search
// For reference:
window.location.host // www.somedomain.com (includes por...