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Why doesn't Java allow overriding of static methods?
...nce of a class. The point of polymorphism is that you can subclass a class and the objects implementing those subclasses will have different behaviors for the same methods defined in the superclass (and overridden in the subclasses). A static method is not associated with any instance of a class so ...
Delete last commit in bitbucket
I made a mistake and I don't know how to delete my latest push in the repository. I pull the latest updates of the app but it has conflicts and I push it to repository.
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Go > operators
Could someone please explain to me the usage of << and >> in Go? I guess it is similar to some other languages.
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How do I see all foreign keys to a table or column?
...HEMA.KEY_COLUMN_USAGE
WHERE
REFERENCED_TABLE_SCHEMA = '<database>' AND
REFERENCED_TABLE_NAME = '<table>';
For a Column:
SELECT
TABLE_NAME,COLUMN_NAME,CONSTRAINT_NAME, REFERENCED_TABLE_NAME,REFERENCED_COLUMN_NAME
FROM
INFORMATION_SCHEMA.KEY_COLUMN_USAGE
WHERE
REFERENCED_TABL...
Dealing with “java.lang.OutOfMemoryError: PermGen space” error
...
The solution was to add these flags to JVM command line when Tomcat is started:
-XX:+CMSClassUnloadingEnabled -XX:+CMSPermGenSweepingEnabled
You can do that by shutting down the tomcat service, then going into the Tomcat/bin directory and running tomcat6w.exe. Under th...
Change limit for “Mysql Row size too large”
...sibility that the above still does not resolve your issues. It is a known (and verified) bug with the InnoDB engine, and a temporary fix for now is to fallback to MyISAM engine as temporary storage. So, in your my.cnf file:
internal_tmp_disk_storage_engine=MyISAM
...
How does free know how much to free?
... array), but I do not have to pass the size to the free function. Why not, and can I use this same technique in my own functions to save me from needing to cart around the extra variable of the array's length?
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Bundler not including .min files
...tweaked behaviour has changed in Microsoft.AspNet.Web.Optimization package and the tweak does not work anymore, as pointed out by many commenters. Right now I cannot reproduce the issue at all with the version 1.1.3 of the package.
Please see sources of System.Web.Optimization.BundleCollection (you...
Can I call jquery click() to follow an link if I haven't bound an event handler to it with bind
...do this I'm using jQuery's click() function. I have used $().trigger() and window.location also, and I can make it work as intended with all three.
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Best practices/performance: mixing StringBuilder.append with String.concat
I'm trying to understand what the best practice is and why for concatenating string literals and variables for different cases. For instance, if I have code like this
...