大约有 10,150 项符合查询结果（耗时：0.0265秒） [XML]
How to know what the 'errno' means?
When calling execl(...) , I get an errno=2 . What does it mean? How can I know the meaning of this errno ?
15 Answers
...
What is the difference between linear regression and logistic regression?
When we have to predict the value of a categorical (or discrete) outcome we use logistic regression . I believe we use linear regression to also predict the value of an outcome given the input values.
...
How to reuse existing C# class definitions in TypeScript projects
I am just going to start use TypeScript in my HTML client project which belongs to a MVC project with a entity framework domain model already there. I want my two projects (client side and server side) totally separated as two teams will work on this... JSON and REST is used to communicate objects...
warning: incompatible implicit declaration of built-in function ‘xyz’
I'm getting a number of these warnings when compiling a few binaries:
4 Answers
4
...
Why is there huge performance hit in 2048x2048 versus 2047x2047 array multiplication?
I am making some matrix multiplication benchmarking, as previously mentioned in
Why is MATLAB so fast in matrix multiplication?
...
C# declare empty string array
I need to declare an empty string array and i'm using this code
9 Answers
9
...
DataTable: Hide the Show Entries dropdown but keep the Search box
Is it possible to hide the Show Entries dropdown but keep the Search box in DataTable? I want to always display 10 rows with pagination at the bottom along with search box but do not want to display the Show entries dropdown.
...
Cannot issue data manipulation statements with executeQuery()
In MySQL I have two tables, tableA and tableB . I am trying to execute two queries:
10 Answers
...
What is the relative performance difference of if/else versus switch statement in Java?
Worrying about my web application's performances, I am wondering which of "if/else" or switch statement is better regarding performance?
...
Convert form data to JavaScript object with jQuery
How do I convert all elements of my form to a JavaScript object?
51 Answers
51
...