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How to rename a single column in a data.frame?
I know if I have a data frame with more than 1 column, I can use
20 Answers
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Disable Logback in SpringBoot
It appears Springboot autoconfigures itself to use Logback with Tomcat. I would like to disable this and use the one I provide in my classpath.
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How are the points in CSS specificity calculated
Researching specificity I stumbled upon this blog - http://www.htmldog.com/guides/cssadvanced/specificity/
7 Answers
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How to get maximum value from the Collection (for example ArrayList)?
There is an ArrayList which stores integer values. I need to find the maximum value in this list. E.g. suppose the arrayList stored values are : 10, 20, 30, 40, 50 and the max
value would be 50 .
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Getting a list of associative array keys
I have an associative array in JavaScript:
6 Answers
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Git: Correct way to change Active Branch in a bare repository?
I have a bare repository that's used as the central store for my project. All the developers do git clone <repo> to share with it. When they do the clone, they get a checkout of the master branch (unless they do git clone -n ) because repo.git/HEAD contains ref: refs/heads/master , mak...
Should I instantiate instance variables on declaration or in the constructor?
Is there any advantage for either approach?
15 Answers
15
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How to delete every other line in Vim?
I would like to delete every other line from a Vim buffer, starting with the second one, i.e., lines 2, 4, 6, etc. For example, if the buffer’s contents is:
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Reflection generic get field value
I am trying to receive field value via reflection. The problem is I don't know the fields type and have to decide it while getting the value.
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