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How do I create a dictionary with keys from a list and values defaulting to (say) zero? [duplicate]
...that if 0 is mutable (e.g. list or dict), you get into trouble, because it all refers to the same memory location. For this reason, the accepted answer is safer.
– NumesSanguis
Oct 25 '19 at 7:00
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Git Server Like GitHub? [closed]
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You can just set up an ssh server and run a central repository there. All developers then simply agree (as a matter of policy) to push to the server when they are done making commits. This is the usage pattern at my workplace. Very CVS and SVN-like.
Find somewhere to put the repository (/var/...
What exactly is Java EE?
...lementation of the specification. The concrete implementations are the so-called application servers, like WildFly, TomEE, GlassFish, Liberty, WebLogic, etc. There are also servlet containers which implement only the JSP/Servlet part of the huge Java EE API, such as Tomcat, Jetty, etc.
We, Java EE d...
Sell me on const correctness
...ll, using const is good practice because...
It protects you from accidentally changing variables that aren't intended be changed,
It protects you from making accidental variable assignments, and
The compiler can optimize it. For instance, you are protected from
if( x = y ) // whoops, meant if(...
How to do constructor chaining in C#
... base()
For "why?":
code reduction (always a good thing)
necessary to call a non-default base-constructor, for example:
SomeBaseType(int id) : base(id) {...}
Note that you can also use object initializers in a similar way, though (without needing to write anything):
SomeType x = new SomeTyp...
Fragment onCreateView and onActivityCreated called twice
...ment in the constructor seems to make the double onCreateView problem magically go away (I assume it just ends up being null for onTabSelected when called through the ActionBar.setSelectedNavigationItem() path when saving/restoring state).
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How to get HTTP response code for a URL in Java?
...od, I get an IOException ("Failed to authenticate with proxy") which is usually an http error 407. Is there a way where I can get a precision (the http error code) about the exception raised by the getRespondeCode() method? By the way, I know how to handle my error, and I just want to know how to di...
How to get index using LINQ? [duplicate]
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Because that's what all of the other LINQ methods use. It makes the delegate signature clearer in the tooltip. Predicate, Comparison, and friends were effectively replaced by the Func delegates in .Net 3.5.
– SLaks
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How many Activities vs Fragments?
...at most closely matches the tutorial mentioned in the question is the one called "Layout" in the app; or FragmentLayoutSupport in the source code.
In this demo, the logic has been moved out of the Activity and into the Fragment. The TitlesFragment actually contains the logic for changing Fragments....
How do I add a ToolTip to a control?
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What about one static ToolTip for all your forms?
– Svish
Aug 27 '09 at 8:13
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