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Add context path to Spring Boot application
I am trying to set a Spring Boot applications context root programmatically. The reason for the context root is we want the app to be accessed from localhost:port/{app_name} and have all the controller paths append to it.
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Replace all 0 values to NA
I have a dataframe with some numeric columns. Some row has a 0 value which should be considered as null in statistical analysis. What is the fastest way to replace all the 0 value to NULL in R?
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What is an example of the Liskov Substitution Principle?
I have heard that the Liskov Substitution Principle (LSP) is a fundamental principle of object oriented design. What is it and what are some examples of its use?
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How to get a specific version of a file in Mercurial?
I am new to Mercurial. Just cannot find the right command. Tried update/checkout with no luck. I am using local repository. Thanks
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Are types like uint32, int32, uint64, int64 defined in any stdlib header?
I often see source code using types like uint32, uint64 and I wonder if they should be defined by the programmer in the application code or if they are defined in a standard lib header.
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How to delete multiple values from a vector?
I have a vector like: a = c(1:10) and I need to remove multiple values, like: 2, 3, 5
8 Answers
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Better explanation of when to use Imports/Depends
The " Writing R Extensions " manual provides the following guidance on when to use Imports or Depends:
4 Answers
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Create an empty object in JavaScript with {} or new Object()?
There are two different ways to create an empty object in JavaScript:
9 Answers
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What are the most-used vim commands/keypresses?
I'm a Ruby programming trying to switch from Textmate to MacVim, and I'm having trouble wading through the gargantuan lists of things you can do in VIM and all of the keypresses for them. I'm tired of hearing "You can use 'I' for inserting text, or 'a' for appending text after the character, or 'A' ...
Remove characters except digits from string using Python?
How can I remove all characters except numbers from string?
15 Answers
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