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Use of 'const' for function parameters
... you just make functions const when necessary or do you go the whole hog and use it everywhere? For example, imagine a simple mutator that takes a single boolean parameter:
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What is @ModelAttribute in Spring MVC?
What is the purpose and usage of @ModelAttribute in Spring MVC?
13 Answers
13
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Duplicate and rename Xcode project & associated folders [closed]
...d like to be able to duplicate an entire Xcode project, rename the project and the associated files without Xcode going mental, and without having to manually re-import all files to the project.
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Disable a Button
... not required for it to work. You can type cast the button in the IBAction and change the enabled status or if you have it set up as an IBOutlet you can do it using the .notation on the outlet. Both ways work.
– Krivvenz
Mar 7 '19 at 16:28
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Viewing full output of PS command
when I run ps -aux command on my linux server, to which I connected using putty, few processes are too long to fit in my current window width. Is there an alternative?
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Unloading classes in java?
...r used is garbage collected. This means, references to every single class and to the classloader itself need to go the way of the dodo.
One possible solution to your problem is to have a Classloader for every jar file, and a Classloader for each of the AppServers that delegates the actual loading ...
JSF vs Facelets vs JSP [duplicate]
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JSF is a standardized Java framework for web UIs based on an MVC pattern
JSPs are a (much older) standard for generating web pages from templates - these can be used as the View in a JSF application, but also separately from JSF.
Facele...
How can I round a number in JavaScript? .toFixed() returns a string?
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It returns a string because 0.1, and powers thereof (which are used to display decimal fractions), are not representable (at least not with full accuracy) in binary floating-point systems.
For example, 0.1 is really 0.100000000000000005551115123125782702118...
The relationship could not be changed because one or more of the foreign-key properties is non-nulla
I am getting this error when I GetById() on an entity and then set the collection of child entities to my new list which comes from the MVC view.
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When I catch an exception, how do I get the type, file, and line number?
..._info() into local variables, since if you get an exception in the except handler, the local vars could get kept in a circular reference and not GC'd. Best practice is to always just use slices off of sys.exc_info() instead. Or use other modules like traceback, as other posters have suggested.
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