大约有 40,000 项符合查询结果（耗时：0.1017秒） [XML]
Rails: fields_for with index?
...s_for :blog_posts, {:index => 0} do |g| %>
<%= g.label :gallery_sets_id, "Position #{g.options[:index]}" %>
<%= g.select :gallery_sets_id, @posts.collect { |p| [p.title, p.id] } %>
<%# g.options[:index] += 1 %>
<% end %>
or
<%= f.fields_for :blog_posts do ...
Is there are way to make a child DIV's width wider than the parent DIV using CSS?
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and don't set the parent div to "overflow:hidden" ^^
– chris
Nov 5 '13 at 10:35
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Regular Expressions: Is there an AND operator?
Obviously, you can use the | (pipe?) to represent OR , but is there a way to represent AND as well?
12 Answers
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What does android:layout_weight mean?
...se 3/4 of the screen and table should use 1/4 of the screen. Then you will set the layout_weight of the map to 3 and the layout_weight of the table to 1.
To get it work you also have to set the height or width (depending on your orientation) to 0px.
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Allow User to input HTML in ASP.NET MVC - ValidateInput or AllowHtml
...lidateInput(false)]
Edit: As per Charlino comments:
In your web.config set the validation mode used. See MSDN:
<httpRuntime requestValidationMode="2.0" />
Edit Sept 2014: As per sprinter252 comments:
You should now use the [AllowHtml] attribute. See below from MSDN:
For ASP.NET MV...
Undo changes in entity framework entities
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Query ChangeTracker of DbContext for dirty items. Set deleted items state to unchanged and added items to detached. For modified items, use original values and set current values of the entry. Finally set state of modified entry to unchanged:
public void RollBack()
{
va...
Generate 'n' unique random numbers within a range [duplicate]
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You could add to a set until you reach n:
setOfNumbers = set()
while len(setOfNumbers) < n:
setOfNumbers.add(random.randint(numLow, numHigh))
Be careful of having a smaller range than will fit in n. It will loop forever, unable to fin...
Giving UIView rounded corners
...iew should check out the CALayer class reference. Most of it is as easy as setting one or two property values, like the above answer: developer.apple.com/mac/library/documentation/GraphicsImaging/…
– Justin Searls
Feb 20 '10 at 17:05
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Exception thrown in NSOrderedSet generated accessors
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I reproduced your setup both with your data model and one of my own with different names. I got the same error in both cases.
Looks like a bug in Apple's autogenerated code.
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How to find unused/dead code in java projects [closed]
What tools do you use to find unused/dead code in large java projects? Our product has been in development for some years, and it is getting very hard to manually detect code that is no longer in use. We do however try to delete as much unused code as possible.
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