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Relative frequencies / proportions with dplyr
...p_by call. You may wish to do a subsequent group_by(am), to make your code more explicit.
For rounding and prettification, please refer to the nice answer by @Tyler Rinker.
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Maven artifact and groupId naming
...you control,
and you can create as many subgroups
as you want. Look at More information
about package names.
eg. org.apache.maven, org.apache.commons
A good way to determine the granularity of the groupId is to use
the project structure. That is, if the
current project is a multi...
Get the new record primary key ID from MySQL insert query?
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How to fix the datetime2 out-of-range conversion error using DbContext and SetInitializer?
... quite old and there are great answers already, I thought I should put one more which explains 3 different approaches to solve this problem.
1st Approach
Explicitly map DateTime property public virtual DateTime Start { get; set; } to datetime2 in corresponding column in the table. Because by defau...
How to download source in ZIP format from GitHub?
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iOS 7 UIBarButton back button arrow color
...ationBar.tintColor = [UIColor whiteColor];
*If you are using an app with more than 1 navigation controller, and you want this chevron color to apply to each, you may want to use the appearance proxy to set the back button chevron for every navigation controller, as follows:
[[UINavigationBar appe...
Is there an eval() function in Java? [duplicate]
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Best way to track onchange as-you-type in input type=“text”?
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How to print out a variable in makefile
...happens AFTER everything that could modify $(VAR) has already happened!
A more generic option is to create a special rule for printing the value of a variable. Generally speaking, rules are executed after variables are assigned, so this will show you the value that is actually being used. (Though, ...
Injecting a mock into an AngularJS service
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