The PARTITION BY clause sets the range of records that will be used for each “GROUP” within the OVER clause. In your example SQL, DEPT_COUNT will return the number of employees within that department for every employee record. (It is as if you’re de-nomalising the emp table; you still return every record in the emp … Read more
How to print the value of a Tensor object in TensorFlow?
Detect HTTP or HTTPS then force HTTPS in JavaScript
For those who may be confused by the accepted answer, as I was, you also need to have the ruby headers installed [ruby-devel]. The article that saved my hide is here. And this is the revised solution (note that I’m on Fedora 13): yum -y install gcc mysql-devel ruby-devel rubygems gem install -y mysql — … Read more
A sealed trait can be extended only in the same file as its declaration. They are often used to provide an alternative to enums. Since they can be only extended in a single file, the compiler knows every possible subtypes and can reason about it. For instance with the declaration: sealed trait Answer case object … Read more
A sealed trait can be extended only in the same file as its declaration. They are often used to provide an alternative to enums. Since they can be only extended in a single file, the compiler knows every possible subtypes and can reason about it. For instance with the declaration: sealed trait Answer case object … Read more
A sealed trait can be extended only in the same file as its declaration. They are often used to provide an alternative to enums. Since they can be only extended in a single file, the compiler knows every possible subtypes and can reason about it. For instance with the declaration: sealed trait Answer case object … Read more
These three commands have entirely different purposes. They are not even remotely similar. git revert This command creates a new commit that undoes the changes from a previous commit. This command adds new history to the project (it doesn’t modify existing history). git checkout This command checks-out content from the repository and puts it in … Read more
4.19.4 The instanceof operator The instanceof operator requires the left operand to be of type Any, an object type, or a type parameter type, and the right operand to be of type Any or a subtype of the ‘Function’ interface type. The result is always of the Boolean primitive type. So you could use mySprite … Read more
Is the MIME type ‘image/jpg’ the same as ‘image/jpeg’?