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Pass a data.frame column name to a function
I'm trying to write a function to accept a data.frame ( x ) and a column from it. The function performs some calculations on x and later returns another data.frame. I'm stuck on the best-practices method to pass the column name to the function.
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How to run JUnit tests with Gradle?
Currently I have the following build.gradle file:
4 Answers
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Create Django model or update if exists
I want to create a model object, like Person, if person's id doesn't not exist, or I will get that person object.
6 Answer...
Arrays, heap and stack and value types
In the above code, is new int[100] generating the array on the heap? From what I've read on CLR via c#, the answer is yes. But what I can't understand, is what happens to the actual int's inside the array. As they are value types, I'd guess they'd have to be boxed, as I can, for example, pass myInte...
I want to execute shell commands from Maven's pom.xml
I want to execute Linux shell commands with Maven. Here is what I tried:
5 Answers
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Can I get git to tell me all the files one user has modified?
I would like git to give me a list of all the files modified by one user, across all commits.
4 Answers
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How do HTML parses work if they're not using regexp?
I see questions every day asking how to parse or extract something from some HTML string and the first answer/comment is always "Don't use RegEx to parse HTML, lest you feel the wrath!" (that last part is sometimes omitted).
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ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock'
I installed LAMP on Ubuntu 12.04 LTS (Precise Pangolin) and then set root password on phpMyAdmin . I forgot the password and now I am unable to login. When I try to change password through terminal I get:
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Android Studio: Javadoc is empty on hover
I have moved from Eclipse to Android Studio recently, and am liking it. However, I miss the Javadoc on hover feature from Eclipse.
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Call to getLayoutInflater() in places not in activity
What does need to be imported or how can I call the Layout inflater in places other than activity?
6 Answers
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