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Why is enum class preferred over plain enum?
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From Bjarne Stroustrup's C++11 FAQ:
The enum classes ("new enums", "strong enums") address three problems
with traditional C++ enumerations:
conventional enums implicitly convert to int, causing errors when someone does not want an enumeration to act as an integer.
co...
How to define custom configuration variables in rails
...fig_variable
=> :my_config_setting
UPDATE Rails 4
In Rails 4 there a new way for this => http://guides.rubyonrails.org/configuring.html#custom-configuration
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Join a list of items with different types as string in Python
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551
Calling str(...) is the Pythonic way to convert something to a string.
You might want to consi...
How to call a stored procedure from Java and JPA
...-with-multiple-out-parameters".
StoredProcedureCall storedProcedureCall = new StoredProcedureCall();
storedProcedureCall.setProcedureName("mypackage.myprocedure");
storedProcedureCall.addNamedArgument("i_input_1"); // Add input argument name.
storedProcedureCall.addNamedOutputArgument("o_output_1")...
How to flatten nested objects with linq expression
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Awesome!!! What if I would have a result a new object, like FlatBook{BookName, ChapterName, PageName} ?
– abx78
Jun 21 '11 at 17:02
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How to get the ThreadPoolExecutor to increase threads to max before queueing?
...ffer() to return false conditionally
BlockingQueue<Runnable> queue = new LinkedBlockingQueue<Runnable>() {
private static final long serialVersionUID = -6903933921423432194L;
@Override
public boolean offer(Runnable e) {
// Offer it to the queue if there is 0 items alr...
C++ static virtual members?
...se the version from that class, instead of doing virtual-dispatch. Nothing new there.
– Deduplicator
Feb 2 '15 at 22:17
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Is SonarQube Replacement for Checkstyle, PMD, FindBugs?
.... for Java 8), which for example uses outdated libraries.
They also got a new set of plugins for your personal IDE called SonarLint.
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How do I make a delay in Java?
...g[] args) {
final ScheduledExecutorService executorService = Executors.newSingleThreadScheduledExecutor();
executorService.scheduleAtFixedRate(App::myTask, 0, 1, TimeUnit.SECONDS);
}
private static void myTask() {
System.out.println("Running");
}
And in Java 7:
public static void mai...
Should I choose ActivePerl or Strawberry Perl for Windows? [duplicate]
I'm totally new to Perl, but I'd like to try it out. I read about two rival distributions available for Windows platform (I guess there's just Perl on other OSes :).
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