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ng-repeat :filter by single field
... nicer, since you can see that you are filtering by color. This method is more compact, which might be useful if you want to search by multiple properties, and you'd rather not have a long object in the HTML: filter:{ color: '...', size: '...', ...}
– Mark Rajcok
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Change the name of the :id parameter in Routing resources for Rails
...he effect you describe in Rails 3 in routes.rb. It will just involve a bit more work than the to_param method. You can still define custom parameters in routes defined using scope and match (or it's cousins get, put, post, and delete). You simply write in the parameter name you want in the matcher:
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Difference between class and type
...its structure, namely how much memory it takes up, how it is laid out, and more importantly, how you can interact with it.
Examples of primitive types:
int
float
char
boolean
Examples of class types:
String
Integer
Boolean
ArrayList
StringBuilder
Examples of interface types:
Collection
Li...
How does password salt help against a rainbow table attack?
...attempting to crack the password.
A public salt does two things: makes it more time-consuming to crack a large list of passwords, and makes it infeasible to use a rainbow table.
To understand the first one, imagine a single password file that contains hundreds of usernames and passwords. Without a...
Best way to create enum of strings?
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How do I check that multiple keys are in a dict in a single pass?
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+1, I like this better than Greg's answer because it's more concise AND faster (no building of irrelevant temporary list, AND full exploitation of short-circuiting).
– Alex Martelli
Aug 17 '09 at 2:34
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Removing Data From ElasticSearch
...lete an index -
curl -XDELETE localhost:9200/shop
If you wish to delete more than one index that follows a certain naming convention (note the *, a wildcard), -
curl -XDELETE localhost:9200/.mar*
Visually
There are various tools as mentioned above, I wont list them here but I will link you t...
What is the difference between a field and a property?
...ly-upvoted incorrect comments. A property should always encapsulate one or more fields, and should never do any heavy lifting or validation. If you need a property such a UserName or Password to have validation, change their type from strings to Value Objects. There is an unspoken contract between ...
Does Internet Explorer 8 support HTML 5?
...gin called "Chrome Frame". It renders HTML 5 just like Google Chrome does! More info is here: appleinsider.com/articles/09/09/24/…
– Shadowpat
May 6 '13 at 1:04
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How to subtract X days from a date using Java calendar?
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