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Changing column names of a data frame
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The error is caused by the "smart-quotes" (or whatever they're called). The lesson here is, "don't write your code in an 'editor' that converts quotes to smart-quotes".
names(newprice)[1]<-paste(“premium”) # error
names(newprice)[1]<-paste("premium") # work...
How to pass command line arguments to a rake task
... This is the best simplest answer IMO. It worked right away. What exactly does the p mean?
– stevec
Jun 2 '19 at 4:37
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Django - Difference between import django.conf.settings and import settings
What is the basic difference between the following import statements in a Django app?
1 Answer
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Pass Additional ViewData to a Strongly-Typed Partial View
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To extend on what womp posted, you can pass new View Data while retaining the existing View Data if you use the constructor overload of the ViewDataDictionary like so:
Html.RenderPartial(
"ProductImageForm",
image,
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Is it possible to use jQuery to read meta tags
Is it possible to use jQuery to read meta tags. If so do you know what the basic structure of the code will be, or have links to any tutorials.
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How can I represent an infinite number in Python?
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I don't know exactly what you are doing, but float("inf") gives you a float Infinity, which is greater than any other number.
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ViewParam vs @ManagedProperty(value = “#{param.id}”)
What is the difference between defining View Params like this:
2 Answers
2
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ThreadStatic v.s. ThreadLocal: is generic better than attribute?
...ocal<T> uses generic.
Why different design solutions were chosen?
What are the advantages and disadvantages of using generic over attributes in this case?
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HTML if image is not found
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What does <?=base_url()?> do? Why do you surprisingly add some server-side and framework-based code?
– Nico Haase
May 8 '18 at 13:41
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Anonymous method in Invoke call
...pts Delegate (rather than a typed delegate), you need to tell the compiler what type of delegate to create ; MethodInvoker (2.0) or Action (3.5) are common choices (note they have the same signature); like so:
control.Invoke((MethodInvoker) delegate {this.Text = "Hi";});
If you need to pass in pa...