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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 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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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...
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...
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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improve...
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...
Git log to get commits only for a specific branch
...ranches names.
I don't think this is possible: a branch in Git is always based on another one or at least on another commit, as explained in "git diff doesn't show enough":
You need a reference point for your log to show the right commits.
As mentioned in "GIT - Where did I branch from?":
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django templates: include and extends
I would like to provide the same content inside 2 different base files.
7 Answers
7
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