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Optional Methods in Java Interface
...lections are an exception" suggests a very fuzzy understanding of what's really going on here.
It's important to realize that there are sort of two levels of conforming to an interface:
What the Java language can check. This pretty much just boils down to: is there some implementation for each of...
All but last element of Ruby array
...re_ext.rb file with little extensions like this. Some libraries are practically all extensions like this: ActiveSupport for example.
– rfunduk
Oct 22 '09 at 0:30
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AngularJS: disabling all form controls between submit and server response
...ing over the wire. I don't want to use JQuery (which is evil!!!) and query all elements as array (by class or attribute marker)
The ideas I had so far are:
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SQL left join vs multiple tables on FROM line?
...ave multiple employees.
Ok, so now you want to do the following:
List all the companies, and include all their departments, and all their employees. Note that some companies don't have any departments yet, but make sure you include them as well. Make sure you only retrieve departments that have...
How to fix error “Updating Maven Project”. Unsupported IClasspathEntry kind=4?
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It might help to remove manually from the .classpath file all the classpathentry with the kind attribute set to var.
– Puigcerber
Aug 21 '12 at 9:29
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How can I propagate exceptions between threads?
We have a function which a single thread calls into (we name this the main thread). Within the body of the function we spawn multiple worker threads to do CPU intensive work, wait for all threads to finish, then return the result on the main thread.
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Remove all but numbers from NSString
...thesis and hyphens as some phone numbers are formatted. How would I remove all characters except numbers from the string?
2...
Git Pull While Ignoring Local Changes?
...it stash
git pull
git stash pop
I don't think it makes any sense to literally ignore the changes, though - half of pull is merge, and it needs to merge the committed versions of content with the versions it fetched.
share
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How to use Git and Dropbox together effectively?
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I think that Git on Dropbox is great. I use it all the time. I have multiple computers (two at home and one at work) on which I use Dropbox as a central bare repository. Since I don’t want to host it on a public service, and I don’t have access to a server that I can ...
CROSS JOIN vs INNER JOIN in SQL
...---------------------------------x
2. CROSS JOIN
Cross join selects the all the rows from the first table and all the rows from second table and shows as Cartesian product ie, with all possibilities
Consider we need to find all the teachers in the school and students irrespective of class teacher...