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What is the 'instanceof' operator used for in Java?
...Cat extends Animal implements Domestic {}
Imagine a dog object, created with Object dog = new Dog(), then:
dog instanceof Domestic // true - Dog implements Domestic
dog instanceof Animal // true - Dog extends Animal
dog instanceof Dog // true - Dog is Dog
dog instanceof Object // true - ...
Detailed 500 error message, ASP + IIS 7.5
...s To Browser" is not working set also this:
Error Pages -> 500 -> Edit Feature Settings -> "Detailed Errors"
Also note that if the content of the error page sent back is quite short and you're using IE, IE will happily ignore the useful content sent back by the server and show you its o...
Remote branch is not showing up in “git branch -r”
I have been pushing to a remote Bitbucket repository and recently a colleague has pushed a new branch he created to the same repository.
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Servlet for serving static content
...
I came up with a slightly different solution. It's a bit hack-ish, but here is the mapping:
<servlet-mapping>
<servlet-name>default</servlet-name>
<url-pattern>*.html</url-pattern>
</servlet...
Difference between Select and ConvertAll in C#
.... The ConvertAll method exists since .NET 2.0 whereas LINQ was introduced with 3.5.
You should favor Select over ConvertAll as it works for any kind of list, but they do the same basically.
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How to define two angular apps / modules in one page?
... using angular.bootstrap instead. AngularJS applications cannot be nested within each other.
-- http://docs.angularjs.org/api/ng.directive:ngApp
See also
https://groups.google.com/d/msg/angular/lhbrIG5aBX4/4hYnzq2eGZwJ
http://docs.angularjs.org/api/angular.bootstrap
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Rails create or update magic?
...this class to implement a create_or_update method. If an object is found it will update it, otherwise it will create a new one.
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How to tell if a string is not defined in a Bash shell script
... answer you are after is implied (if not stated) by Vinko's answer, though it is not spelled out simply. To distinguish whether VAR is set but empty or not set, you can use:
if [ -z "${VAR+xxx}" ]; then echo VAR is not set at all; fi
if [ -z "$VAR" ] && [ "${VAR+xxx}" = "xxx" ]; then echo V...
Most common C# bitwise operations on enums
For the life of me, I can't remember how to set, delete, toggle or test a bit in a bitfield. Either I'm unsure or I mix them up because I rarely need these. So a "bit-cheat-sheet" would be nice to have.
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How to define an alias in fish shell?
I would like to define some aliases in fish. Apparently it should be possible to define them in
9 Answers
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