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How do I move the turtle in LOGO? [closed]
.../ TURN LEFT
LT 21
// MOVE BACKWARD
BK 17
Check out some other turtle commands found here...
Turtle Commands
BACK ## [BK] - Move turtle back
BACKGROUND ## [BG] - Set Background color (0-15)
0 - Black
1 - White
2 - Red
3 - Cyan
4 - Purple
5 - Green
6 - Blue
7 - Yellow
8 - Orange
9 - Brown...
What does $$ (dollar dollar or double dollar) mean in PHP?
... variable thas has its name contained in $name"
Which is $real_variable
And has the value 'test'
EDIT after @Jhonny's comment :
Doing a $$$ ?
Well, the best way to know is to try ;-)
So, let's try this portion of code :
$real_variable = 'test';
$name = 'real_variable';
$name_of_name = '...
Ruby on Rails form_for select field with class
..._class' }) %>
select helper takes two options hashes, one for select, and the second for html options. So all you need is to give default empty options as first param after list of items and then add your class to html_options.
http://api.rubyonrails.org/classes/ActionView/Helpers/FormOptionsH...
How to make a class conform to a protocol in Swift?
... error... You might not need to implement the entire protocol in all cases and might want to build prior to doing so... it's not a big deal, but feels a bit unnecessary.
– Magoo
Mar 31 '16 at 11:52
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Are HTTP headers case-sensitive?
...aders":
Each header field consists of a name followed by a colon (":") and the field value. Field names are case-insensitive.
The updating RFC 7230 does not list any changes from RFC 2616 at this part.
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Zip lists in Python
... a3 a4 a5 a6 a7...
b: b1 b2 b3 b4 b5 b6 b7...
c: c1 c2 c3 c4 c5 c6 c7...
and "zips" them into one list whose entries are 3-tuples (ai, bi, ci). Imagine drawing a zipper horizontally from left to right.
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How to give Jenkins more heap space when it´s started as a service under Windows?
... Yeah, I wrote this answer before I knew what I was doing on SO, and I'm surprised that it's gotten so many upvotes. Perhaps, like me, a lot of people find their way to this question through a search engine, and a larger percentage of those people are using Linux or Unix? I don't understan...
Java: int array initializes with nonzero elements
... with a situation where it is not. Such a behavior occurs first in JDK 7u4 and also occurs in all later updates (I use 64-bit implementation). The following code throws exception:
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Automatically start forever (node) on system restart
...r those cases when the system gets rebooted. If the server is shutted down and then powered on - this cron job won't execute.
– ecdeveloper
May 17 '13 at 11:25
6
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How to create a file in a directory in java?
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Don't forget to check the called method (mkdirs and createNewFile) calls for errors
– Alessandro S.
Jul 28 '15 at 12:26
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