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SET versus SELECT when assigning variables?
What are the differences between the SET and SELECT statements when assigning variables in T-SQL?
4 Answers
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quick random row selection in Postgres
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You might want to experiment with OFFSET, as in
SELECT myid FROM mytable OFFSET floor(random()*N) LIMIT 1;
The N is the number of rows in mytable. You may need to first do a SELECT COUNT(*) to figure out the value of N.
Update (by Antony Hatchkins)
You must use floor he...
How to use count and group by at the same select statement
I have an sql select query that has a group by.
I want to count all the records after the group by statement.
Is there a way for this directly from sql?
For example, having a table with users I want to select the different towns and the total number of users
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Removing an item from a select box
How do I remove items from, or add items to, a select box? I'm running jQuery, should that make the task easier. Below is an example select box.
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Is it possible to run JavaFX applications on iOS, Android or Windows Phone 8?
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JavaFXPorts SDK for android, iOS and embedded devices can be downloaded from here
JavaFXPorts project is still thriving and it is easier than ever to run JavaFX on mobile devices, all thanks to the IDE plugins that is built on top of these SDKs and gets you started in a few minutes without the ha...
What does it mean by select 1 from table?
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SELECT 1 FROM TABLE_NAME means, "Return 1 from the table". It is pretty unremarkable on its own, so normally it will be used with WHERE and often EXISTS (as @gbn notes, this is not necessarily best practice, it is, however, c...
How to set selected value on select using selectpicker plugin from bootstrap
I'm using the Bootstrap-Select plugin like this:
18 Answers
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编译器内部的秘密--微软的编译器是如何解析Try/Catch/Throw的 - C/C++ - 清...
...是一篇介绍如何在x86架构上详细地实现异常处理(exception handling)的手册，只是一篇入门的讨论性文章。本文只是讨论一些处理步骤在理论上应该如何实现，其具体的实现步骤可能跟文章所讨论的并不一致。原文译自：http://www.codep...
编译器内部的秘密--微软的编译器是如何解析Try/Catch/Throw的 - C/C++ - 清...
...是一篇介绍如何在x86架构上详细地实现异常处理(exception handling)的手册，只是一篇入门的讨论性文章。本文只是讨论一些处理步骤在理论上应该如何实现，其具体的实现步骤可能跟文章所讨论的并不一致。原文译自：http://www.codep...
编译器内部的秘密--微软的编译器是如何解析Try/Catch/Throw的 - C/C++ - 清...
...是一篇介绍如何在x86架构上详细地实现异常处理(exception handling)的手册，只是一篇入门的讨论性文章。本文只是讨论一些处理步骤在理论上应该如何实现，其具体的实现步骤可能跟文章所讨论的并不一致。原文译自：http://www.codep...