大约有 40,000 项符合查询结果(耗时:0.0601秒) [XML]

https://stackoverflow.com/ques... 

Is there a ternary conditional operator in T-SQL?

... Use case: select * from table where isExternal = case @type when 2 then 1 else 0 end share | improve this answer | follow ...
https://stackoverflow.com/ques... 

Hibernate Criteria returns children multiple times with FetchType.EAGER

...of the outer joined result but returns all the duplicates of the driving table. If you have 5 orders in the database, and each order has 3 line items, the resultset will be 15 rows. The Java result list of these queries will have 15 elements, all of type Order. Only 5 Order instances will ...
https://stackoverflow.com/ques... 

Change a Rails application to production

...and start the migration with rake db:migrate. Make certain that a database table exists, even if you plan on adding tables later (this is also part of step 1). RAILS_ENV=production rake secret - this will create a secret_key that you can add to config/secrets.yml . You can copy/paste this into confi...
https://stackoverflow.com/ques... 

Career day in kindergarten: how to demonstrate programming in 20 minutes? [closed]

... I've done this before. I laid down a lot of paper towels on a table, and got out a loaf of (cheap) bread, a small tub of butter, a small jar of jelly, and a plastic butter knife. I said to the kids, "How many of you think computers are smart?" Most of them raised their hands. I said,...
https://stackoverflow.com/ques... 

Can I use complex HTML with Twitter Bootstrap's Tooltip?

..." data-toggle="tooltip" data-html="true" data-title="<table><tr><td style='color:red;'>complex</td><td>HTML</td></tr></table>" > hover over me to see HTML </span> JSFiddle demos: Bootstrap 2.x Bootstrap 3.x ...
https://stackoverflow.com/ques... 

Is it possible to make an HTML anchor tag not clickable/linkable using CSS?

...e key in this solution is: pointer-events. Here the link for compatibility-table – masegaloeh Sep 2 '14 at 8:09 @JohnM...
https://stackoverflow.com/ques... 

How to highlight text using javascript

...xt"); let searchContainer = document.body; // document.getElementById("someTable"); let highlighter = new SearchTools.InstantSearch(searchContainer, [ { token: "this is the text to highlight" // searchText.value, className: "highlight", // this is the individual highlight class ...
https://stackoverflow.com/ques... 

Under what circumstances are linked lists useful?

...many small (de)allocations on inserts/deletes. Initial loading of the hash table is pretty fast, because the array is filled sequentially (plays very nice with CPU cache). Not to mention that a chaining hash table is expensive in terms of memory - and this "trick" cuts "pointer sizes" in half on x6...
https://stackoverflow.com/ques... 

How to round an average to 2 decimal places in PostgreSQL?

...old syntax for casting, SELECT ROUND(AVG(some_column)::numeric,2) FROM table; works with any version of PostgreSQL. There are a lack of overloads in some PostgreSQL functions, why (???): I think "it is a lack" (!), but @CraigRinger, @Catcall and the PostgreSQL team agree about "pg's historic r...
https://stackoverflow.com/ques... 

Which one is the best PDF-API for PHP? [closed]

... mpdf unfortunately doesn't seem to handle large table cells well. As soon as the content exceeds a page, it starts to scale down, which makes it useless for any project that has big tables. Apart from that; it's easy to use, performant, and well documented. ...