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How to delete the last n commits on Github and locally?
I'm trying to delete the last 2 commits from one of my GitHub repositories. I've tried as suggested here : git push -f origin HEAD^^:master . It seems that it works, as the last two commits are removed.
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Position geom_text on dodged barplot
...position = "dodge") +
geom_text(aes(variable, `(all)`, label = sprintf("%2.1f", `(all)`)),
position = position_dodge(width = 1)) +
coord_flip()
The key is using position = position_dodge(width = 1) instead of position = "dodge", which is just a shortcut without any parameter.
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Change a column type from Date to DateTime during ROR migration
..._date_format_in_my_table
Then in your migration file:
For Rails >= 3.2:
class ChangeDateFormatInMyTable < ActiveRecord::Migration
def up
change_column :my_table, :my_column, :datetime
end
def down
change_column :my_table, :my_column, :date
end
end
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Symfony 2: How do I check if a user is not logged in inside a template?
In Symfony 2 templates (using Twig), how can I effectively check whether a user is not logged in?
2 Answers
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Can a variable number of arguments be passed to a function?
...; manyArgs(1)
I was called with 1 arguments: (1,)
>>> manyArgs(1, 2, 3)
I was called with 3 arguments: (1, 2, 3)
As you can see, Python will unpack the arguments as a single tuple with all the arguments.
For keyword arguments you need to accept those as a separate actual argument, as sho...
CSS3 Continuous Rotate Animation (Just like a loading sundial)
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edited Jun 10 '13 at 13:21
thomaux
16.6k99 gold badges7070 silver badges9494 bronze badges
answered Ju...
COUNT DISTINCT with CONDITIONS
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261
You can try this:
select
count(distinct tag) as tag_count,
count(distinct (case when entr...
How do I decode a URL parameter using C#?
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answered Sep 10 '09 at 12:41
TheVillageIdiotTheVillageIdiot
37.3k1919 gold badges123123 silver badges180180 bronze badges
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$on and $broadcast in angular
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edited Jul 23 '15 at 14:11
answered Oct 18 '13 at 10:07
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Can TCP and UDP sockets use the same port?
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2 Answers
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