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Rails: fields_for with index?
...many years ago, for a modern approach see:
https://stackoverflow.com/a/22640703/105403
This would actually be a better approach, following Rails documentation more closely:
<% @questions.each.with_index do |question,index| %>
<% f.fields_for :questions, question do |fq| %>
...
What are the best practices for using Assembly Attributes?
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207
We're using a global file called GlobalAssemblyInfo.cs and a local one called AssemblyInfo.cs. ...
How to compare arrays in C#? [duplicate]
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230
You can use the Enumerable.SequenceEqual() in the System.Linq to compare the contents in the arr...
Specifying an Index (Non-Unique Key) Using JPA
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208
With JPA 2.1 you should be able to do it.
import javax.persistence.Column;
import javax.persis...
Modern way to filter STL container?
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110
See the example from cplusplus.com for std::copy_if:
std::vector<int> foo = {25,15,5,-5,-...
How do I convert Long to byte[] and back in java
...
public static byte[] longToBytes(long x) {
buffer.putLong(0, x);
return buffer.array();
}
public static long bytesToLong(byte[] bytes) {
buffer.put(bytes, 0, bytes.length);
buffer.flip();//need flip
return buffer.getLong();
}
}
Since...
Moving from CVS to Git: $Id$ equivalent?
...my master branch of my Java memcached client source, I get this:
2.2-16-gc0cd61a
That says two important things:
There have been exactly 16 commits in this tree since 2.2
The exact source tree can be displayed on anyone else's clone.
Let's say, for example, you packaged a version file with th...
Center image in div horizontally [duplicate]
...ght: auto;
or
/* for the img inside your div */
display: block;
margin: 0 auto;
That's all.
Note, that you'll also have to set an initial min-width for your outer div.
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How can I resize an image using Java?
...omposite(AlphaComposite.Src);
}
g.drawImage(originalImage, 0, 0, scaledWidth, scaledHeight, null);
g.dispose();
return scaledBI;
}
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Should I index a bit field in SQL Server?
...contains a set of rows for each index value. If you have a range of 1 to 10, then you would have 10 index pointers. Depending on how many rows there are this can be paged differently. If your query looks for the index matching "1" and then where Name contains "Fred" (assuming the Name column is n...