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Re-open *scratch* buffer in Emacs?
If I accidentally closed the scratch buffer in Emacs, how do I create a new scratch buffer?
16 Answers
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Is there a print_r or var_dump equivalent in Ruby / Ruby on Rails?
...post_controller.rb
def index
@posts = Post.all
end
#app/view/posts/index.html.erb
<%= debug(@posts) %>
#start your server
rails -s
results (in browser)
- !ruby/object:Post
raw_attributes:
id: 2
title: My Second Post
body: Welcome! This is another example post
published...
How to change highlighted occurrences color in Eclipse's sidebar?
When you have "Mark occurrences" enabled in Eclipse, placing the cursor on any type/variable/method/etc will highlight all occurrences in the text editor and place a faint bar in the right ruler to show you the location of other occurrences in the file.
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ERROR: permission denied for sequence cities_id_seq using Postgres
I'm new at postgres (and at database info systems all in all). I ran following sql script on my database:
4 Answers
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How can I see the raw SQL queries Django is running?
Is there a way to show the SQL that Django is running while performing a query?
16 Answers
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How can I increment a date by one day in Java?
...roper/commons-lang/javadocs/api-2.6/org/apache/commons/lang/time/DateUtils.html. It is handy especially when you have to use it multiple places in your project and would not want to write your one liner method for this.
The API says:
addDays(Date date, int amount) : Adds a number of days to a...
Adding List.add() another list
I have an IEnumerable<TravelDetails> and I am trying to add the vales in the for -loop to a List<TravelDetails> . I keep getting the errors.
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Zoom to fit all markers in Mapbox or Leaflet
...an extend function, just like google maps.
http://leafletjs.com/reference.html#latlngbounds
So you could simply use:
var latlngbounds = new L.latLngBounds();
The rest is exactly the same.
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Should I pass an std::function by const-reference?
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If you want performance, pass by value if you are storing it.
Suppose you have a function called "run this in the UI thread".
std::future<void> run_in_ui_thread( std::function<void()> )
which runs some code in the "ui" thread, ...
Compare if BigDecimal is greater than zero
How can I compare if BigDecimal value is greater than zero?
6 Answers
6
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