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How to redirect to a 404 in Rails?
...ou want to show a 404 page, create a render_404 method (or not_found as I called it) in ApplicationController like this:
def not_found
raise ActionController::RoutingError.new('Not Found')
end
Rails also handles AbstractController::ActionNotFound, and ActiveRecord::RecordNotFound the same way....
Can IntelliJ IDEA encapsulate all of the functionality of WebStorm and PHPStorm through plugins? [cl
...some of Jetbrains' offerings. It looks like IntelliJ IDEA has plugins that allow you to do Node.js and php development.
5 ...
In Laravel, the best way to pass different types of flash messages in the session
...re off a bunch of messages, each maybe a different severity, and have them all displayed.
– Jason
Mar 11 '15 at 11:20
2
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Quickly find whether a value is present in a C array?
...ake a fixed table of n entries, where the hash maps the input values to an index i into the table. For valid values, table entry i contains the valid value. For all other table entries, ensure that each entry of index i contains some other invalid value which doesn't hash to i.
Then in your interrup...
What really is a deque in STL?
...
@JeremyWest Why not? Indexed access goes to the i%B-th element in the i/B-th block (B = block size), that’s clearly O(1). You can add a new block in amortised O(1), hence adding elements is amortised O(1) at the end. Adding a new element at the...
How to change the type of a field?
...e Int32->String, new String(x.bad) creates collection of Strings with 0-index-item x.bad value. Variant ""+x.bad, described by Simone works as desired - creates String value instead of Int32
– Dao
Jul 30 '12 at 16:36
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How do I filter ForeignKey choices in a Django ModelForm?
... can populate the validation data by making using the super(...).__init__ call in your overridden method. If you are making several of these queryset changes its a lot more elegant to package them by overriding the init method.
– michael
Aug 7 '09 at 4:53
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Can I store images in MySQL [duplicate]
...h is not that difficult). I want to save the thumbs (since they are very small) in the database and I use MySQL. (I don't want to save the thumbs as physical files on the drive.)
Does MySQL allow saving and retrieving image data and how do I go about it? If it doesn't support image data, is there ...
Are Javascript arrays sparse?
That is, if I use the current time as an index into the array:
7 Answers
7
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SQL injection that gets around mysql_real_escape_string()
...ly to SELECT passwd FROM users. In the latter case, the second query is usually executed by use of a UNION clause.
– Jacco
May 21 '12 at 9:47
59
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