大约有 40,000 项符合查询结果(耗时:0.0438秒) [XML]

https://stackoverflow.com/ques... 

PHP PDO returning single row

... $dbh = new PDO(" --- connection string --- "); $stmt = $dbh->prepare("SELECT name FROM mytable WHERE id=4 LIMIT 1"); $stmt->execute(); $row = $stmt->fetch(); share | improve this answe...
https://stackoverflow.com/ques... 

Mongoose, Select a specific field with find

I'm trying to select only a specific field with 8 Answers 8 ...
https://stackoverflow.com/ques... 

Unbound classpath container in Eclipse

... or 4. goto Properties -> Java Build Path -> Libraries Tab -> Select the erroneous system library -> Edit (On the right) -> Select alternate JRE -> Finish. – Rajkiran Jun 26 '14 at 12:11 ...
https://stackoverflow.com/ques... 

How do you create a dropdownlist from an enum in ASP.NET MVC?

...pDownListFor @Html.EnumDropDownListFor( x => x.YourEnumField, "Select My Type", new { @class = "form-control" }) For MVC v5 use EnumHelper @Html.DropDownList("MyType", EnumHelper.GetSelectList(typeof(MyType)) , "Select My Type", new { @class = "form-control" }) ...
https://stackoverflow.com/ques... 

How to subtract 30 days from the current datetime in mysql?

... SELECT * FROM table WHERE exec_datetime BETWEEN DATE_SUB(NOW(), INTERVAL 30 DAY) AND NOW(); http://dev.mysql.com/doc/refman/5.5/en/date-and-time-functions.html#function_date-add ...
https://stackoverflow.com/ques... 

Find rows that have the same value on a column in MySQL

...sses and how many times they're used, with the most used addresses first. SELECT email, count(*) AS c FROM TABLE GROUP BY email HAVING c > 1 ORDER BY c DESC If you want the full rows: select * from table where email in ( select email from table group by email having count(*) &g...
https://stackoverflow.com/ques... 

What is the best way to add options to a select from a JavaScript object with jQuery?

What is the best method for adding options to a <select> from a JavaScript object using jQuery? 36 Answers ...
https://stackoverflow.com/ques... 

fatal error LNK1112: module machine type 'x64' conflicts with target machine type 'X86'

...t; Configuration Properties > Linker > Advanced > Target Machine. Select MachineX64 if you are targeting a 64 bit build, or MachineX86 if you are making a 32 bit build. Select Build > Configuration Manager from the main menu in visual studio. Make sure your project has the correct platfo...
https://stackoverflow.com/ques... 

How to submit form on change of dropdown list?

I am creating a page in JSP where I have a dropdown list and once the user selects a value he has to click on the go button and then the value is sent to the Servlet. ...
https://stackoverflow.com/ques... 

Using IQueryable with Linq

...ram. Your program then filters the data. In essence, the database does a SELECT * FROM Products, and returns EVERY product to you. With the right IQueryable<T> provider, on the other hand, you can do: IQueryable<Product> products = myORM.GetQueryableProducts(); var productsOver25 =...