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How to calculate number of days between two dates
I have two input dates taking from Date Picker control. I have selected start date 2/2/2012 and end date 2/7/2012. I have written following code for that.
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Drop rows with all zeros in pandas data frame
I can use pandas dropna() functionality to remove rows with some or all columns set as NA 's. Is there an equivalent function for dropping rows with all columns having value 0?
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How to generate random number in Bash?
How to generate a random number within a range in Bash?
17 Answers
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How do I Convert DateTime.now to UTC in Ruby?
If I have d = DateTime.now , how do I convert 'd' into UTC (with the appropriate date)?
7 Answers
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Xcode/Simulator: How to run older iOS version?
I'm thinking of upgrading to iOS SDK 4.2. But what I'm wondering is if I'll still be able to run the simulator as iOS 3.2. This is because I'm creating iAds for iPad but I still want to check if my program will run with iOS 3.2.
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In Docker, what's the difference between a container and an image? [duplicate]
What's the difference between a container and an image in Docker? In the Get started with Docker tutorial these terms are both used, but I do not understand the difference.
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How do I set default values for functions parameters in Matlab?
Is it possible to have default arguments in Matlab? For instance, here:
16 Answers
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Checking for a null int value from a Java ResultSet
In Java I'm trying to test for a null value, from a ResultSet, where the column is being cast to a primitive int type.
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Current time in microseconds in java
On a Unix system, is there a way to get a timestamp with microsecond level accuracy in Java? Something like C's gettimeofday function.
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Reflection: How to Invoke Method with parameters
I am trying to invoke a method via reflection with parameters and I get:
10 Answers
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