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What is the dual table in Oracle?

I've heard people referring to this table and was not sure what it was about. 14 Answers ...
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How do I move forward and backward between commits in git?

... then I did git reset HEAD to go back to where I was... now I have no idea what state my repository is in and everything is scary. What should I do now? – theonlygusti Jul 18 at 22:20 ...
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Shell script - remove first and last quote (") from a variable

... by a variable. I am doing it using sed, but is it efficient? If not, then what is the efficient way? 15 Answers ...
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What's the difference between HEAD, working tree and index, in Git?

...development. (note: as commented by Timo Huovinen, those arrows are not what the commits point to, it's the workflow order, basically showing arrows as 1 -> 2 -> 3 -> 4 where 1 is the first commit and 4 is the last) Now we know what is happening in the project. But to know what is happe...
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Oracle “Partition By” Keyword

Can someone please explain what the partition by keyword does and give a simple example of it in action, as well as why one would want to use it? I have a SQL query written by someone else and I'm trying to figure out what it does. ...
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Why is this program valid? I was trying to create a syntax error

... I don't know why, but this is what Perl makes of it: perl -MO=Deparse -w yuck BEGIN { $^W = 1; } use warnings; use strict 'refs'; 'error'->Syntax(!exit(0)); yuck syntax OK It seems that the parser thinks you're calling the method Syntax on the error...
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indexOf method in an object array?

What's the best method to get the index of an array which contains objects? 27 Answers ...
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in Ipython notebook / Jupyter, Pandas is not displaying the graph I try to plot

...ok with --pylab=inline. so ipython notebook --pylab=inline This has it do what I saw earlier and what I wanted it to do. Sorry about the vague original question. share | improve this answer ...
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'is' versus try cast with null check

... There's no information yet about what actually happens below the belt. Take a look at this example: object o = "test"; if (o is string) { var x = (string) o; } This translates to the following IL: IL_0000: nop IL_0001: ldstr "test" I...
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Efficient way to rotate a list in python

What is the most efficient way to rotate a list in python? Right now I have something like this: 26 Answers ...