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Why are we not to throw these exceptions?
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Exception is the base type for all exceptions, and as such terribly unspecific. You shouldn’t ever throw this exception because it simply does not contain any useful information. Calling code catching for exceptions couldn’t disambiguate the intentiona...
JavaScript ternary operator example with functions
...he best...
x = (1 < 2) ? true : false;
The use of ternary here is totally uncessesary - you could simply write
x = (1 < 2);
Likewise, the condition element of a ternary statement is always evaluated as a Boolean value, therefore you can express:
(IsChecked == true) ? removeItem($this) :...
difference between socket programming and Http programming
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HTTP is an application protocol. It basically means that HTTP itself can't be used to transport information to/from a remote end point. Instead it relies on an underlying protocol which in HTTP's case is TCP.
You can read more about OSI layers if you are interest...
Spring @PostConstruct vs. init-method attribute
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No practically I don't think there is any difference but there are priorities in the way they work. @PostConstruct, init-method are BeanPostProcessors.
@PostConstruct is a JSR-250 annotation while init-method is Spring's way of havin...
Best ways to teach a beginner to program? [closed]
...and I'll be doing an after school workshop with high school students this fall. This is the closest thing I've got to documentation. It's still a work in progress, but I hope it helps.
1) FizzBuzz. Start with command line programs. You can write some fun games, or tools, very quickly, and you learn...
Synchronously waiting for an async operation, and why does Wait() freeze the program here
...g for the entire task to complete, you have a deadlock.
Moving the async call to Task.Run() solves the issue.
Because the async call is now running on a thread pool thread, it doesn't try to come back to the UI thread, and everything therefore works.
Alternatively, you could call StartAsTask().Con...
Add a dependency in Maven
...d you're just trying to add your JAR to your local repository, you can install it as follows, using any arbitrary groupId/artifactIds:
mvn install:install-file -DgroupId=com.stackoverflow... -DartifactId=yourartifactid... -Dversion=1.0 -Dpackaging=jar -Dfile=/path/to/jarfile
You can also deploy it ...
Retrieve a Fragment from a ViewPager
...ble. Fragments that have not yet been instantiated, will return null when calling getRegisteredFragment. But I've been using this mostly to get the current Fragment out of the ViewPager: adapater.getRegisteredFragment(viewPager.getCurrentItem()) and this won't return null.
I'm not aware of any othe...
Detect 7 inch and 10 inch tablet programmatically
Is there a way to programmatically find whether the device the app is installed on is a 7 inch tablet or a 10 inch tablet?
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Returning from a finally block in Java
...sed recently to find that it's possible to have a return statement in a finally block in Java.
6 Answers
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