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SQL Server indexes - ascending or descending, what difference does it make?
When you create an index on a column or number of columns in MS SQL Server (I'm using version 2005), you can specify that the index on each column be either ascending or descending. I'm having a hard time understanding why this choice is even here. Using binary sort techniques, wouldn't a lookup be ...
Selecting empty text input using jQuery
How do I identify empty textboxes using jQuery? I would like to do it using selectors if it is at all possible. Also, I must select on id since in the real code where I want to use this I don't want to select all text inputs.
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Remove Primary Key in MySQL
I have the following table schema which maps user_customers to permissions on a live MySQL database:
12 Answers
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Rest with Express.js nested router
Suppose I want to have REST endpoints which look roughly like this:
6 Answers
6
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PHP - find entry by object property from an array of objects
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You either iterate the array, searching for the particular record (ok in a one time only search) or build a hashmap using another associative array.
For the former, something like this
$item = null;
foreach($array as $struct) {
if ($v == $struct->ID) {...
How do I set the offset for ScrollSpy in Bootstrap?
I have a site with the navbar fixed on top and 3 divs underneath in the main content area.
12 Answers
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How to handle many-to-many relationships in a RESTful API?
Imagine you have 2 entities, Player and Team , where players can be on multiple teams. In my data model, I have a table for each entity, and a join table to maintain the relationships. Hibernate is fine at handling this, but how might I expose this relationship in a RESTful API?
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Pandas percentage of total with groupby
This is obviously simple, but as a numpy newbe I'm getting stuck.
14 Answers
14
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Gridview with two columns and auto resized images
I'm trying to make a gridview with two columns. I mean two photos per row side by side just like this image.
2 Answers
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Hibernate JPA Sequence (non-Id)
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Looking for answers to this problem, I stumbled upon this link
It seems that Hibernate/JPA isn't able to automatically create a value for your non-id-properties. The @GeneratedValue annotation is only used in conjunction with @I...