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How to parse/format dates with LocalDateTime? (Java 8)
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Parsing date and time
To create a LocalDateTime object from a string you can use the static LocalDateTime.parse() method. It takes a string and a DateTimeFormatter as parameter. The DateTimeFormatter is used to specify the date/time pattern.
String str = "1986-04-08 12:30";
Date...
What are “first class” objects?
...st class" in a given programming language, and why? In what do they differ from languages where they are not?
5 Answers
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How to pass command line arguments to a rake task
...less you know/care about Rake internals.
RAILS NOTE:
If running the task from Rails, it's best to preload the environment by adding => [:environment] which is a way to setup dependent tasks.
task :work, [:option, :foo, :bar] => [:environment] do |task, args|
puts "work", args
end
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$(document).ready equivalent without jQuery
...e a script that uses $(document).ready , but it doesn't use anything else from jQuery. I'd like to lighten it up by removing the jQuery dependency.
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Java equivalent of C#'s verbatim strings with @
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Coming from C# to Java it is quite often a step down in a lot of ways
– MikeKulls
Jul 25 '19 at 0:00
add a ...
Android update activity UI from service
...ground operations even when no
Activity is running, also start the service from the Application
class so that it does not get stopped when unbound.
The advantages I have found in this approach compared to the startService()/LocalBroadcast technique are
No need for data objects to implement Parce...
Missing Maven dependencies in Eclipse project
...text Menu > Configure > Convert to Maven Project....
Accept defaults from Maven wizard.
Overwrite POM with your backedup POM. (Now you have Maven Dependencies folder).
Maven Update/Clean for good measure.
Hope that helps someone. :)
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Convert a list of data frames into one data frame
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Use bind_rows() from the dplyr package:
bind_rows(list_of_dataframes, .id = "column_label")
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CSS3 Continuous Rotate Animation (Just like a loading sundial)
... A typical copy-paste error. Thanks a lot! (I actually got my css from shareaholic and because of the wrongly named property, it used the default ease timing function).
– doekman
Feb 15 '12 at 21:24
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What's the idiomatic syntax for prepending to a short python list?
...eally only efficient for rather short lists, as you ask.
Here's a snippet from the CPython source where this is implemented - and as you can see, we start at the end of the array and move everything down by one for every insertion:
for (i = n; --i >= where; )
items[i+1] = items[i];
If you...