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Rails: How can I set default values in ActiveRecord?
....0.3 I get the following warning in the console:
DEPRECATION WARNING: Base#after_initialize has been deprecated, please use Base.after_initialize :method instead. (called from /Users/me/myapp/app/models/my_model:15)
Therefore I'd say write an after_initialize callback, which lets you default ...
Flask vs webapp2 for Google App Engine
...ens for libraries created with App Engine in mind, like ProtoRPC, which is based on webapp and would need a port or adapter to work with other frameworks, if you don't want to mix webapp and your-framework-of-choice handlers in the same app.
So, even if you choose a different framework, you'll end ...
Removing fields from struct or hiding them in JSON Response
...eople seem to miss that the OP asked for fields to be dynamically selected based on the caller-provided list of fields. You can't do this with the statically-defined json struct tag.
If what you want is to always skip a field to json-encode, then of course use json:"-" to ignore the field (also not...
Which Eclipse files belong under version control?
...Some projects, like those using Maven, like to generate the .project files based on POMs.
That said, other than that - .metadata should NOT be in source control. Your project will have to make a determination about whether projectdir/.settings does, based on how you plan to manage standards and suc...
How can I get nth element from a list?
... list), lists may in fact not be the proper data structure. For O(1) index-based access there are more efficient alternatives, such as arrays or vectors.
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Java equivalent of C#'s verbatim strings with @
...esn't have verbatim string literals.
If you want a Java-like (and Java-VM-based) language that does, however, you might want to look at Groovy which has various forms of string literal.
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Does Git publicly expose my e-mail address?
...b can remember even PR commits on a deleted branch that were merged sing rebase (and so, do not expose the email/name anywhere in the repo except on the PR web page). If the PR was merged, I don't know any way to reverse the commits (if it is still open you can rebase and force push).
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Mysql: Select rows from a table that are not in another
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If you have 300 columns, you should redesign your database.
– Iharob Al Asimi
Jun 1 '16 at 13:50
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“webxml attribute is required” error in Maven
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This solution works for me(I was using 2.2 before). Also, I am using Java Based Configuration for Servlet 3.0 and no need to have web.xml file.
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How to get record created today by rails activerecord?
...ance issues when the table size grows.
Typically, if you perform lookups based on created_at column, add an index on the table in your migration file.
add_index :posts, :created_at
Now, to lookup records created today:
Rails 3/4
Post.where("created_at >= ?", Time.zone.now.beginning_of_day)...