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Rails auto-assigning id that already exists
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I did this which solved the issue for me.
ActiveRecord::Base.connection.tables.each do |t|
ActiveRecord::Base.connection.reset_pk_sequence!(t)
end
I found the reset_pk_sequence! from this thread. http://www.ruby-forum.com/topic/64428
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How to generate unique ID with node.js
How to set a variable value with database query callback? How I can do it?
13 Answers
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How to manage local vs production settings in Django?
...ng in development and production. And every developer has a different code base.I call anti-pattern here.
– pydanny
Jan 31 '13 at 16:25
8
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How can I detect if this dictionary key exists in C#?
... Adam, that's really (not) helpful. What's the class hierarchy? What's the base type?
– John Saunders
May 13 '10 at 20:44
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StringUtils 字符串工具扩展：强大的文本处理工具集 · App Inventor 2 中文网
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获取字符 CharAt(索引)
返回指定位置的字符（1-based 索引）。
返回值：指定位置的字符
获取字符Of CharAtOf(源文本, 索引)
返回指定文本中指定位置的字符（1-based 索引）。
返回值：指定位置的...
What does “The APR based Apache Tomcat Native library was not found” mean?
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It means exactly what it says: "The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path"
The library referred to is bundled into an OS specific dll (tcnative-1.dll) loaded via JN...
FragmentPagerAdapter Exists Only In Android.Support.V4.App (and not Android.App)
... protected override void OnCreate (Bundle bundle)
{
base.OnCreate (bundle);
SetContentView(Resource.Layout.fragment_pager);
List<Fragment> fragments = new List<Fragment>();
// *** MonoDroid 4.2.7 letter case bug *** make's fir...
Interface vs Abstract Class (general OO)
...fferences -
Interfaces can't have any concrete implementations. Abstract base classes can. This allows you to provide concrete implementations there. This can allow an abstract base class to actually provide a more rigorous contract, wheras an interface really only describes how a class is used....
ValueError: invalid literal for int() with base 10: ''
...gt;", line 1, in <module>
ValueError: invalid literal for int() with base 10: '55063.000000'
Got me here...
>>> int(float('55063.000000'))
55063.0
Has to be used!
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File name? Path name? Base name? Naming standard for pieces of a path
...for a "standard" naming convention will be in vain. Here are my proposals, based on existing, well-known programs:
A) C:\users\OddThinking\Documents\My Source\Widget\foo.src
Vim calls it file root (:help filename-modifiers)
B) C:\users\OddThinking\Documents\My Source\Widget\foo.src
file n...