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Java generics - why is “extends T” allowed but not “implements T”?
...he OBJECT class ( that exhibits those interfaces) in the generic and then know that at least at compile time ( and desirably at run time ) anything assigned to the generic can safely be cast to any of the specified interfaces. This is not the case the way java is implemented now. But it would be n...
Is there a CSS selector for elements containing certain text?
...ion of styling from content, as it means that the content doesn't need to know about its client is going to consider as important to base styling on. Right now our html content typically is tightly paired to the css by including classes that we know the styler cares about. They are already shiftin...
Java: when to use static methods
...pgToKpl(double mpg)
...which would be static, because one might want to know what 35mpg converts to, even if nobody has ever built a Car. But this method (which sets the efficiency of one particular Car):
void setMileage(double mpg)
...can't be static since it's inconceivable to call the metho...
Rails render partial with block
...to because of another yield (don't have time to investigate that by-myself now, just wondering)
– equivalent8
Jul 9 '12 at 14:43
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How to cancel a pull request on github?
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GitHub now supports closing a pull request
Basically, you need to do the following steps:
Visit the pull request page
Click on the pull request
Click the "close pull request" button
Example (button on the very bottom):
This way t...
What is the Difference Between read() and recv() , and Between send() and write()?
... error. For the caller, the behavior is the same. The caller may not even know anything about datagrams (it may not know that this is a socket and not a file, it may not know that this is a datagram socket and not a stream socket). That the datagram stays pending is implicit knowledge about how IP s...
How does a hash table work?
...u need them.
So, you decide that if the person that wants to read a book knows the title of the book and the exact title to boot, then that's all it should take. With the title, the person, with the aid of the librarian, should be able to find the book easily and quickly.
So, how can you do that? ...
How do I write stderr to a file while using “tee” with a pipe?
I know how to use tee to write the output ( STDOUT ) of aaa.sh to bbb.out , while still displaying it in the terminal:
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IntelliJ IDEA with Junit 4.7 “!!! JUnit version 3.8 or later expected:”
...4.7.jar up, so that it comes before Android 1.6 Platform in the classpath. Now the test runner will be happy as it loads the new JUnit version.
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Does Python have a package/module management system?
... I searched the internet for 20 minutes and this answer was nowhere. Thank you so much. Also, I have serious doubts about using python if the documentation is this bad...this should be on the Python main page or accesible from google or something
– Chris J
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