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Rails bundle install production only
...supposed to address exactly this) and also considering this quote: Rails 3 comes with baked in support with bundler.
– gingerlime
Jun 6 '12 at 10:53
2
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When to use valueChangeListener or f:ajax listener?
...u'd need to add another <f:ajax/> without a listener(!) to the input component. It will cause a form submit which processes only the current component (as in execute="@this").
<h:selectOneMenu value="#{bean.value}" valueChangeListener="#{bean.changeListener}">
<f:selectItems ... ...
AsyncTaskLoader vs AsyncTask
Since Honeycomb and the v4 Compatibility Library it is possible to use AsyncTaskLoader . From what I understand, the AsyncTaskLoader can survive through config changes like screen flips.
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Show a popup/message box from a Windows batch file
...ld make a very simple VBScript file and call it using CScript to parse the command line parameters.
Something like the following saved in MessageBox.vbs:
Set objArgs = WScript.Arguments
messageText = objArgs(0)
MsgBox messageText
Which you would call like:
cscript MessageBox.vbs "This will be s...
Creating a new column based on if-elif-else condition
...ge number of records. Still, I think it is much more readable. Especially coming from a SAS background.
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Differences between Line and Branch coverage
... statements you took (a statement is usually a line of code, not including comments, conditionals, etc). Branch coverages checks if you took the true and false branch for each conditional (if, while, for). You'll have twice as many branches as conditionals.
Why do you care? Consider the example:
p...
What is the difference between build.sbt and build.scala?
...uild.scala".
Consider a .scala build definition if you're doing something complicated where you want the full expressiveness of Scala.
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In Django, how does one filter a QuerySet with dynamic field lookups?
...ame', 'endswith'): 'Z'
}
Person.objects.filter(**kwargs)
This is a very common and useful Python idiom.
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What's a standard way to do a no-op in python?
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