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How to get an array of specific “key” in multidimensional array without looping
Let's assume I have the following multidimensional array (retrieved from MySQL or a service):
4 Answers
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Python/postgres/psycopg2: getting ID of row just inserted
I'm using Python and psycopg2 to interface to postgres.
3 Answers
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廉价共享存储解决方案2-drbd+cman+gfs2 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...件[root@localhost ~]# vi etc hosts127.0.0.1localhost localhost.localdomain localhost4 localhost4.localdomain4...1、修改hosts文件
[root@localhost ~]# vi /etc/hosts
127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4
::1 localhost localhost.localdomain loca...
How do I put hint in a asp:textbox
How do I put a hint/placeholder inside a asp:TextBox? When I say a hint I mean some text which disappears when the user clicks on it. Is there a way to achieve the same using html / css?
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How to center icon and text in a android button with width set to “fill parent”
I want to have an Android Button with icon+text centered inside it. I'm using the drawableLeft attribute to set the image, this works well if the button has a width of "wrap_content" but I need to stretch to max width so I use width "fill_parent" . This moves my icon straight to the left of the b...
Print Current Mercurial Revision Hash?
Is there a better way extract the current revision hash in Mercurial than
8 Answers
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Reset AutoIncrement in SQL Server after Delete
I've deleted some records from a table in a SQL Server database. Now the ID's go from 101 to 1200. I want to delete the records again, but I want the ID's to go back to 102. Is there a way to do this in SQL Server?
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When to use .First and when to use .FirstOrDefault with LINQ?
...'d want to use .First and when you'd want to use .FirstOrDefault with LINQ.
14 Answers
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What is the difference between JOIN and UNION?
What is the difference between JOIN and UNION ? Can I have an example?
15 Answers
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org.hibernate.MappingException: Could not determine type for: java.util.List, at table: College, for
I'm using Hibernate for all CRUD operations in my project. It doesn't work for One-To-Many and Many-To-One relationships. It gives me the below error.
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