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Evaluate if list is empty JSTL
...to evaluate if this array list is empty or not but none of these have even compiled:
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How to inspect the return value of a function in GDB?
Is it possible to inspect the return value of a function in gdb assuming the return value is not assigned to a variable?
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Java variable number or arguments for a method
Is it possible to declare a method that will allow a variable number of parameters ?
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How do I interpret precision and scale of a number in a database?
I have the following column specified in a database: decimal(5,2)
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Efficiently checking if arbitrary object is NaN in Python / numpy / pandas?
...to designate missing values. As I iterate over the data set, I need to detect such missing values and handle them in special ways.
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How to do a less than or equal to filter in Django queryset?
I am attempting to filter users by a custom field in each users profile called profile. This field is called level and is an integer between 0-3.
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How do I find if a string starts with another string in Ruby?
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Convert unix time to readable date in pandas dataframe
I have a dataframe with unix times and prices in it. I want to convert the index column so that it shows in human readable dates.
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How do I change the formatting of numbers on an axis with ggplot?
I'm using R and ggplot to draw a scatterplot of some data, all is fine except that the numbers on the y-axis are coming out with computer style exponent formatting, i.e. 4e+05, 5e+05, etc. This is obviously unacceptable, so I want to get it to display them as 500,000, 400,000, and so on. Getting a p...
How do I parse JSON with Objective-C?
I am new to iPhone. Can anyone tell me the steps to follow to parse this data and get the activity details, first name, and last name?
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