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Technically what is the main difference between Oracle JDK and OpenJDK? [duplicate]
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Technical differences are a consequence of the goal of each one (OpenJDK is meant to be the reference implementation, open to the community, while Oracle is meant to be a commercial one)
They both have "almost" the same code of the classes in the Java API; but the code for the virtua...
Getting MAC Address
... regex across its output. I don't like using a package that only works on one OS, and parsing the output of another program doesn't seem very elegant not to mention error prone.
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How to establish a connection pool in JDBC?
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If you need a standalone connection pool, my preference goes to C3P0 over DBCP (that I've mentioned in this previous answer), I just had too much problems with DBCP under heavy load. Using C3P0 is dead simple. From the documentation:
ComboPooled...
How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar
I'm trying to implement search code in my CoreData-based iPhone app. I'm not sure how to proceed. The app already has an NSFetchedResultsController with a predicate to retrieve the data for the primary TableView. I want to make sure I'm on the right path before I change too much code. I'm confus...
How to detect if app is being built for device or simulator in Swift
...#endif
After Swift 4.1 version
Latest use, now directly for all in one condition for all types of simulators need to apply only one condition -
#if targetEnvironment(simulator)
// your simulator code
#else
// your real device code
#endif
For more clarification, you can check Swift pr...
Differences between numpy.random and random.random in Python
... of the random generators, it's probably simpler in the long run to choose one generator or the other. But if you do need to use both, then yes, you'll also need to seed them both, because they generate random numbers independently of each other.
For numpy.random.seed(), the main difficulty is that...
How can I render a list select box (dropdown) with bootstrap?
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Bootstrap 3 uses the .form-control class to style form components.
<select class="form-control">
<option value="one">One</option>
<option value="two">Two</option>
<option value="three">Three</option>
<option value="four"&...
How to create a library project in Android Studio and an application project that uses the library p
...rtunately, as of July 2014, there is no longer a Project settings like the one shown in the screenie. I had to go edit the .grade files as in GrkEngineer’s answer below.
– Tim Bray
Jul 25 '14 at 21:46
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Java equivalent to #region in C#
I want to use regions for code folding in Eclipse ; how can that be done in Java?
21 Answers
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Removing duplicate rows in Notepad++
...ibly powerful plugin, despite its "age". Hope they will NEVER remove that one from the standard NPP plugin offer. The guy who thought about all the features in this plug-in, was kind of a "visionary".
– GeertVc
Sep 1 '14 at 9:32
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