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Unable to install R package in Ubuntu 11.04 [closed]
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The install.packages method
You need to install the ubuntu package libxml2-dev So in a shell prompt type:
sudo apt-get update
sudo apt-get install libxml2-dev
You will need special sudo powers for this.
Ubuntu package method
As...
Git conflict markers [duplicate]
...lt;< HEAD:file.txt
Hello world
=======
... is what you already had locally - you can tell because HEAD points to your current branch or commit. The line (or lines) between the lines beginning ======= and >>>>>>>:
=======
Goodbye
>>>>>>> 77976da35a11db...
Have a variable in images path in Sass?
I want to have one variable that contains the root path to all my images in my CSS file. I can't quite figure out if this is possible in pure Sass (the actual web project is not RoR, so can't use asset_pipeline or any of that fancy jazz).
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How to change a string into uppercase
...; 'SDSD'
On the other hand string.ascii_uppercase is a string containing all ASCII letters in upper case:
import string
string.ascii_uppercase
#=> 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'
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using statement with multiple variables [duplicate]
...}
Note that the IDE will also support this indentation, i.e. it intentionally won’t try to indent the second using statement.
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Disable form auto submit on button click
... type to button.
But if you bind your event handler like below, you target all buttons and do not have to do it manually for each button!
$('form button').on("click",function(e){
e.preventDefault();
});
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:after and :before pseudo-element selectors in Sass [duplicate]
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Does it apply to all pseudo class and element?
– Bharathkumar V
Feb 13 '18 at 11:02
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“while :” vs. “while true” [duplicate]
...es nothing, but returns 0 (success). Thus, it's shorter (and faster) than calling an actual command to do the same thing.
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Move (or “Undo”) last git commit to unstaged area [duplicate]
...o be committed)
git reset --soft HEAD^
--soft
(…) This leaves all your changed files "Changes to be committed", as git status would put it.
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Why are my balls disappearing? [closed]
Pardon the funny title. I've created a little graphic demo of 200 balls bouncing and colliding, both against the walls and each other. You can see what I have currently here: http://www.exeneva.com/html5/multipleBallsBouncingAndColliding/
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