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Does use of final keyword in Java improve the performance?
...t it's by far the most common JVM, so...)
To my mind you should use final based on clear design and readability rather than for performance reasons. If you want to change anything for performance reasons, you should perform appropriate measurements before bending the clearest code out of shape - th...
$on and $broadcast in angular
...n event up the $scope hierarchy to all parents, including the $rootScope
Based on the following HTML (see full example here):
<div ng-controller="Controller1">
<button ng-click="broadcast()">Broadcast 1</button>
<button ng-click="emit()">Emit 1</button>
</...
What is the best way to prevent session hijacking?
... backward) ISP would change the IP of the user's browser from time-to-time based on re-routing their users' connections. This made the REMOTE_ADDR check return false negatives for us.
– goofballLogic
Aug 20 '15 at 15:36
...
Is it possible to decrypt MD5 hashes?
...ites (yes, we all know we shouldn't, but...) anyone with access to the database of site A won't be able to use the user's password on site B.
The fact that MD5 is a hash also means it loses information. For any given MD5 hash, if you allow passwords of arbitrary length there could be multiple passw...
Abort makefile if variable not set
How could I abort a make/makefile execution based on a makefile's variable not being set/valued?
5 Answers
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Why do I need Transaction in Hibernate for read-only operations?
...tly.
But there is no guarantee that your method doesn't write into the database. If you mark method as @Transactional(readonly=true), Spring will set the JDBC transaction into a read-only mode, thus you'll dictate whether it's actually possible to write into DB in scope of this transaction. If your ...
Memory management in Qt?
...tetor library for your Visual c++ projets, including Qt projects since its based on c++, this library is compatible with new, delete, free and malloc statements, it is well documented and easy to use. Don't forget that when you create your own QDialog or QWidget inherited interface class, and then...
List or IList [closed]
...int>, but is of fixed size. The contract for ICollection<T> (the base of IList<T>) requires the code that uses it to check the IsReadOnly flag before attempting to add or remove items from the collection. The contract for List<T> does not.
The Liskov Substitution Principle (s...
What are fixtures in programming?
...ll this the test context.
Examples of fixtures:
Loading a database with a specific, known set of data
Erasing a hard disk and installing a known clean operating system installation
Copying a specific known set of files
Preparation of input data and set-up/creation of fake or mock ...
Why does C++ need a separate header file?
...to do with this, it's the fact that the compilation environment for C++ is based so closely on that of C.
Converting my comments to answer your follow-up question:
How does the compiler find the .cpp file with the code in it
It doesn't, at least not at the time it compiles the code that used ...