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PostgreSQL naming conventions
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@user1334007 The convention is not ugly - and read Craig's comment above. And there's no need to quote if you didn't quote when you created the tables (that is, if you are consistent).
– leonbloy
Jan 30 '16 at 1:41
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What's the difference between INNER JOIN, LEFT JOIN, RIGHT JOIN and FULL JOIN? [duplicate]
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Reading this original article on The Code Project will help you a lot: Visual Representation of SQL Joins.
Also check this post: SQL SERVER – Better Performance – LEFT JOIN or NOT IN?.
Find original one at: Difference...
Lua简明教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...then
io.write("too young, too naive!\n")
else
local age = io.read()
print("Your age is "..age)
end
上面的语句不但展示了if-else语句，也展示了
1）“～=”是不等于，而不是!=
2）io库的分别从stdin和stdout读写的read和write函...
Best practice for instantiating a new Android Fragment
...n and initialization. If you're new to Android and have stumbled on this thread, please read the answer above over and over and over again.
– rmirabelle
Aug 2 '13 at 15:20
10
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What's the meaning of Base SDK, iOS deployment target, Target, and Project in xcode
...ession Architecting Modern Apps, Part 2, they explain this clearly
Good read Hi! I'm #available!
So, a modern App might use iOS 9 as the Target SDK, and iOS 7 as the deployment target. This means that you can run on iOS 7, iOS 8 and iOS 9, and that you have available to you any iOS 9 calls wh...
NSRange to Range
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Not the best answer. Easiest to read code but @martin-r has the correct answer.
– Rog
Jul 29 '15 at 12:20
3
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SQL Server : Columns to Rows
...d how to grant rights to a user so that they can execute it without having read access to the underlying table. To me that's scope creep, because most people writing queries against a table have read access to the table.
– Aaron Bertrand
Aug 2 '13 at 21:56
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What are the differences between struct and class in C++?
This question was already asked in the context of C#/.Net .
30 Answers
30
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How to correctly save instance state of Fragments in back stack?
... this fix something you noticed while using the support library or did you read about it somewhere? Is there any more information you could provide about it? Thanks!
– Piovezan
Feb 2 '15 at 21:38
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When should assertions stay in production code? [closed]
...assumption, and indicate that the assumption didn't hold up. You can also read the assertion as documention of that in the code, of course.
– user1024732
Dec 25 '13 at 1:11
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