大约有 43,000 项符合查询结果(耗时:0.0405秒) [XML]

https://stackoverflow.com/ques... 

LINQ to SQL - Left Outer Join with multiple join conditions

...g.Where(f => f.otherid == 17).DefaultIfEmpty() where p.companyid == 100 select f.value Or you could use a subquery: from p in context.Periods join f in context.Facts on p.id equals f.periodid into fg from fgi in (from f in fg where f.otherid == 17 select f).DefaultIfE...
https://stackoverflow.com/ques... 

How to create P12 certificate for iOS distribution

...hain Access where it will be matched up with the private key. You can then select the cert, and open the arrow to also select the private key and export them together as a .p12 file from Keychain Access. share | ...
https://stackoverflow.com/ques... 

Spring JPA selecting specific columns

...Spring JPA to perform all database operations. However I don't know how to select specific columns from a table in Spring JPA? ...
https://stackoverflow.com/ques... 

When should null values of Boolean be used?

..."boolean", not "boolean" (mind styling), because in Oracle you usually use char(1) null with 'T' and 'F' values. So it may (with e.g., Hibernate type adapter) be null :) – Grzegorz Grzybek Jun 25 '12 at 7:58 ...
https://stackoverflow.com/ques... 

SQL “between” not inclusive

... is interpreted as midnight when the day starts. One way to fix this is: SELECT * FROM Cases WHERE cast(created_at as date) BETWEEN '2013-05-01' AND '2013-05-01' Another way to fix it is with explicit binary comparisons SELECT * FROM Cases WHERE created_at >= '2013-05-01' AND created_at <...
https://stackoverflow.com/ques... 

How to create your own library for Android development to be used in every program you write?

...uide focuses on creating Android libraries. Give your library a name and select a minimum SDK version for the code in the library, then click Finish. Once the Gradle project sync completes, the library module appears in the Project panel on the left. If you don't see the new module fol...
https://stackoverflow.com/ques... 

Xcode 6 Storyboard the wrong size?

...way at some point." You probably haven't added the layout constraints. Select your label, tap the layout constraints button on the bottom: On that menu add width and height (it should NOT be the same as mine) by checking their checkbox and click add constraints. Then Control-drag your label t...
https://stackoverflow.com/ques... 

How can I get column names from a table in Oracle?

... You can query the USER_TAB_COLUMNS table for table column metadata. SELECT table_name, column_name, data_type, data_length FROM USER_TAB_COLUMNS WHERE table_name = 'MYTABLE' share | improve ...
https://stackoverflow.com/ques... 

Convert string[] to int[] in one line of code using LINQ

...you would need the extra ToArray call to get an array: int[] myInts = arr.Select(int.Parse).ToArray(); share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

How to select the first element with a specific attribute using XPath

The XPath bookstore/book[1] selects the first book node under bookstore . 9 Answers ...