I’m using Entity Framework 5.0 Code First; public class Entity { [Key, DatabaseGenerated(DatabaseGeneratedOption.Identity)] public string EntityId { get; set;} public int FirstColumn { get; set;} public int SecondColumn { get; set;} } I want to make the combination between FirstColumn and SecondColumn as unique. Example: Id FirstColumn SecondColumn 1 1 1 = OK 2 2 … Read more
Here’s the code I’m using to achieve the above layout: .header { height: 50px; } .body { position: absolute; top: 50px; right: 0; bottom: 0; left: 0; display: flex; } .sidebar { width: 140px; } .main { flex: 1; display: flex; flex-direction: column; } .content { flex: 1; display: flex; } .column { padding: 20px; … Read more
How to do this in pandas: I have a function extract_text_features on a single text column, returning multiple output columns. Specifically, the function returns 6 values. The function works, however there doesn’t seem to be any proper return type (pandas DataFrame/ numpy array/ Python list) such that the output can get correctly assigned df.ix[: ,10:16] … Read more
I’m making a responsive layout with a top fixed navbar. Underneath I have two columns, one for a sidebar (3), and one for content (9). Which on desktop looks like this navbar [3][9] When I resize to mobile the navbar is compressed and hidden, then the sidebar is stacked on top of the content, like … Read more
I want a two-column div layout, where each one can have variable width e.g. div { float: left; } .second { background: #ccc; } <div>Tree</div> <div class=”second”>View</div> I want the ‘view’ div to expand to the whole width available after ‘tree’ div has filled needed space. Currently, my ‘view’ div is resized to content it … Read more
I understand the point of GROUP BY x. But how does GROUP BY x, y work, and what does it mean? 3 Group By X means put all those with the same value for X in the one group. Group By X, Y means put all those with the same values for both X and … Read more
