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What does the (unary) * operator do in this Ruby code?
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answered May 27 '09 at 23:27
molfmolf
66.4k1313 gold badges129129 silver badges114114 bronze badges
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CSS horizontal centering of a fixed div?
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left: 50%;
margin-left: -400px; /* Half of the width */
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git update-index --assume-unchanged on directory
...roblematic. If you have those, you can use this:
git ls-files -z | xargs -0 git update-index --assume-unchanged
Edit: incorporated input from @MatthewScharley regarding git ls-files -z.
Windows Commands
Note: If you're on windows, use Git Bash to run these commands
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How to merge two files line by line in Bash
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answered Sep 27 '10 at 18:58
Mark ByersMark Byers
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Return number of rows affected by UPDATE statements
...ber of rows affected by an UPDATE query in a Stored Procedure (SQL Server 2005), as a resultset. e.g.
3 Answers
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What does %~dp0 mean, and how does it work?
I find %~dp0 very useful, and I use it a lot to make my batch files more portable.
7 Answers
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Why is DarkGray lighter than Gray?
...r to "Silver". However, the W3C defined Gray (more appropriately?) as RGB 50%.
Here's some more Wikipedia on the subject:
Perhaps most unusual of the color clashes between X11 and W3C is the
case of "Gray" and its variants. In HTML, "Gray" is specifically
reserved for the 128 triplet (50% g...
Is there any difference between __DIR__ and dirname(__FILE__) in PHP?
...ve a
trailing slash unless it is the root
directory. (Added in PHP 5.3.0.)
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Invoke a callback at the end of a transition
...milar to jQuery) using D3.js . What I need to do is to set the opacity to 0 using transition() .
9 Answers
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Pandas DataFrame column to list [duplicate]
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You can use the Series.to_list method.
For example:
import pandas as pd
df = pd.DataFrame({'a...