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Removing MySQL 5.7 Completely [closed]
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First of all, do a backup of your needed databases with mysqldump
Note: If you want to restore later, just backup your relevant databases, and not the WHOLE, because the whole database might actually be the reason you need to purge an...
How to pass objects to functions in C++?
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Rules of thumb for C++11:
Pass by value, except when
you do not need ownership of the object and a simple alias will do, in which case you pass by const reference,
you must mutate the object, in which case, use pass by a non-const lvalue reference,
you pass objects of derived class...
Access-Control-Allow-Origin Multiple Origin Domains?
Is there a way to allow multiple cross-domains using the Access-Control-Allow-Origin header?
31 Answers
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Manifest merger failed : uses-sdk:minSdkVersion 14
Since downloading the latest SDK and installing Android Studio, my project fails to build. I get the following message:
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How to update Ruby to 1.9.x on Mac?
...y installation on OSX: https://rvm.io
To get started, open a Terminal Window and issue the following command:
\curl -L https://get.rvm.io | bash -s stable --ruby
( you will need to trust the RVM Dev Team that the command is not malicious - if you're a paranoid penguin like me, you can always go...
Why should I use var instead of a type? [duplicate]
...actually make things easier; if you refactor code and the types change you don't have to update your references to the whatever you've refactored if it changes types, ie less typing = less work.
– user1040975
May 19 '16 at 17:56
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Symfony2 : How to get form validation errors after binding the request to the form
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You have two possible ways of doing it:
do not redirect user upon error and display {{ form_errors(form) }} within template file
access error array as $form->getErrors()
sha...
Interfaces vs. abstract classes [duplicate]
...he interface for "free"
Interfaces are merely data passing contracts and do not have these features. However, they are typically more flexible as a type can only be derived from one class, but can implement any number of interfaces.
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Setting Objects to Null/Nothing after use in .NET
...nts IDisposable, just make sure you call IDisposable.Dispose() when you're done with that object (wrapped in a try..finally, or, a using() block). But even if you don't remember to call Dispose(), the finaliser method on the object should be calling Dispose() for you.
I thought this was a good trea...
Are Roslyn SyntaxNodes reused?
...imilar problem to the Expression tree API , both are immutable but Roslyn does so in a quite different way:
1 Answer
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