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Eclipse returns error message “Java was started but returned exit code = 1”

...dows system. More on paths can be found here (scroll down). If you don't know where the eclipse.ini file is: regularly it is in the folder of your eclipse.exe. Edit2: @KadoLakatt: the reason why installing the latest Java Version worked for you is because Eclipse checks the standard path for a JV...
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How to get the original value of an attribute in Rails

...flow.com/a/50973808/9359123 Appending _was is deprecated in rails 5.1, now you should append _before_last_save Something like: before_save object do_something_with object.name_before_last_save end Will return the name value before your last save at database (works for save and create) The...
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Javascript “this” pointer within nested function

... Now that's progress! – Joshua Pinter Jun 21 '16 at 4:59 ...
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The following sections have been defined but have not been rendered for the layout page “~/Views/Sha

...al") } So i deleted those for the time being and everything is working for now. – Kevin Dark Jun 11 '12 at 4:08 ...
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What exactly does @synthesize do?

...ame into a situation where I had to read and modify such code. But if you now think "Hey, @synthesize is not important any more as we use a newer compiler" you are wrong! Your class then will result in having two ivars, namely someInt plus an autogenerated _someInt variable. Thus self.someInt and s...
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How do I format a date in Jinja2?

Using Jinja2, how do I format a date field? I know in Python I can simply do this: 9 Answers ...
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C++ display stack trace on exception

... And archive.org doesn't know it, either. Damn. Well, the procedure should be clear: throw a custom class' object that records the stack trace at the time of the throw. – Thomas Tempelmann May 20 '15 at 21:21 ...
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When should I use the Visitor Design Pattern? [closed]

... (Suppose it is a complex hierarchy with a well-established interface.) Now we want to add a new operation to the hierarchy, namely we want each animal to make its sound. As far as the hierarchy is this simple, you can do it with straight polymorphism: class Animal { public: virtual void makeSou...
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How to make a SPA SEO crawlable?

...stand what google requires, particularly the use of pretty and ugly URLs. Now lets see the implementation: Client Side On the client side you only have a single html page which interacts with the server dynamically via AJAX calls. that's what SPA is about. All the a tags in the client side are ...
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How to print the full traceback without halting the program?

...ever, a best practice is to have a logger set up for your module. It will know the name of the module and be able to change levels (among other attributes, such as handlers) import logging logging.basicConfig(level=logging.DEBUG) logger = logging.getLogger(__name__) In which case, you'll want the l...