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Why does X[Y] join of data.tables not allow a full outer join, or a left join?
... suggestion with unique() is a great help. That ought to be in the FAQ. I know Matthew Dowle "designed it for his own use, and he wanted it that way." (FAQ 1.9), but I thought X[Y,all=T] could be an elegant way to specify a full outer join within the data.table X[Y] syntax. Or X[Y,all.x=T] for the ...
Purge or recreate a Ruby on Rails database
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I know two ways to do this:
This will reset your database and reload your current schema with all:
rake db:reset db:migrate
This will destroy your db and then create it and then migrate your current schema:
rake db:drop db:...
Multiple RunWith Statements in jUnit
...initMocks(this);
mockInitialized = true;
}
}
}
Now just add the following line to your test class:
@Rule public MockitoRule mockitoRule = MockitoJUnit.rule();
and you can run this test case with any runner you want.
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Setting EditText imeOptions to actionNext has no effect
...Line="true" />
I'm not a fan of using a deprecated attribute, but for now it seems to get the desired result.
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Autoresizing issue of UICollectionViewCell contentView's frame in Storyboard prototype cell (Xcode 6
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Only this works now, you have to do it just for IOS 8, and I have to call it after each dequeue ! But this also is not ideal solution because multiple selection do not work as it should visually...
– Renetik
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npm windows install globally results in npm ERR! extraneous
...nt-end-developer#front_end_developers '.
You should not have to look there now, but I thought it could be good to share the site.
So far so good, til it comes to the global installing. (Ok, some errors I had to figure out, but now I have working npm).
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If using maven, usually you put log4j.properties under java or resources?
...s>
</execution>
</executions>
</plugin>
Now the log4j.properties file will be right next to your JAR file, independently configurable.
To run your application directly from Eclipse, add the resources directory to your classpath in your run configuration: Run->R...
Best way to trim strings after data entry. Should I create a custom model binder?
... explicitly trimming every user supplied string value. I'm interested to know how and when people are trimming strings.
15...
When to use a Content Provider
... with other apps.
So even if you don't need any of these functionalities now, you might need them in future and its good to go the extra mile and implement them right now.
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Why are data transfer objects (DTOs) an anti-pattern?
...the data in a slightly different format than a native business object.
I know this is a Java-oriented question, but in .NET languages anonymous types, serialization, and LINQ allow DTOs to be constructed on-the-fly, which reduces the setup and overhead of using them.
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