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What does the arrow operator, '->', do in Java?

... he came across that code elsewhere. As to why IntelliJ isn't reporting an error, that's a mystery (perhaps there is a Java 7 version installed somewhere in OP's system). But that's a lambda expression's syntax in Java, there's no question about it. – Óscar López ...
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How do you test a public/private DSA keypair?

... This solution seems to work for all types of SSH-keys. I even managed to recover a misplaced public key with this approach. – Jari Turkia Jun 13 '18 at 6:37 ...
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What should my Objective-C singleton look like? [closed]

...y and do something like [[MySingelton alloc] init] you will get a run time error (though not a compile time error unfortunately). I don't understand how all the details of the object creation, but you implement + (id) allocWithZone:(NSZone *)zone which is called in sharedSingleton ...
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Which characters are valid in CSS class names/selectors?

...ryl Of course, this is a pretty extreme example, but stuff like class="404-error" can be useful. – Mathias Bynens Jul 7 '11 at 15:12 ...
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Django: multiple models in one template using forms [closed]

...his since 'and' short circuits and we want to check to whole page for form errors if a_valid and b_valid and c_valid: a = formA.save() b = formB.save(commit=False) c = formC.save(commit=False) b.foreignkeytoA = a b.save() c.foreignkeytoB = b ...
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Git - fatal: Unable to create '/path/my_project/.git/index.lock': File exists

I am still getting this error message, when I try to move my project tree on to git repo. 31 Answers ...
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Use Expect in a Bash script to provide a password to an SSH command

... @erikb85 Usually, a package does all the dirty stuff for you, but, in all cases, these scripts are built just for that usage, then would be BETTER than add your own stuff. This comment is about don't reinvent the wheel. Deal with hard st...
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Angularjs minify best practice

...t DI mode. <body ng-app="myApp" ng-strict-di> Strict mode throws an error whenever a service tries to use implicit annotations. This can be useful to determining finding problems. For more information, see AngularJS Developer Guide - Using Strict Dependency Injection AngularJS ng-app Directi...
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How to get function parameter names/values dynamically?

... Solution that is less error prone to spaces and comments would be: var fn = function(/* whoa) */ hi, you){}; fn.toString() .replace(/((\/\/.*$)|(\/\*[\s\S]*?\*\/)|(\s))/mg,'') .match(/^function\s*[^\(]*\(\s*([^\)]*)\)/m)[1] .split(/,/) ["...
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How to migrate back from initial migration in Django 1.7?

...lt;app> zero This clears <app> from migration history and drops all tables of <app> See django docs for more info. share | improve this answer | follow ...