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Why are regular expressions so controversial? [closed]

... expressions because they're slow, but rather because they're hard to read and write, as well as tricky to get right. While there are some situations where regular expressions provide an effective, compact solution to the problem, they are sometimes shoehorned into situations where it's better to us...
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ggplot2 plot without axes, legends, etc

...at, aes(x=x, y=y)) + geom_point() + scale_x_continuous(expand=c(0,0)) + scale_y_continuous(expand=c(0,0)) p + theme(axis.line=element_blank(),axis.text.x=element_blank(), axis.text.y=element_blank(),axis.ticks=element_blank(), axis.title.x=element_bl...
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pass **kwargs argument to another function with **kwargs

I do not understand the following example, lets say I have these functions: 5 Answers ...
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What does the caret (^) character mean?

...that git commits can have more than one parent. HEAD^ is short for HEAD^1, and you can also address HEAD^2 and so on as appropriate. You can get to parents of any commit, not just HEAD. You can also move back through generations: for example, master~2 means the grandparent of the tip of the master ...
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How to call a shell script from python code?

...suggesting the [] 0 >>> Where test.sh is a simple shell script and 0 is its return value for this run. share | improve this answer | follow | ...
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Change R default library path using .libPaths in Rprofile.site fails to work

...dows, not as an administrator. When I install a package, the following command doesn't work: 15 Answers ...
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Is there any standard for JSON API response format?

Do standards or best practices exist for structuring JSON responses from an API? Obviously, every application's data is different, so that much I'm not concerned with, but rather the "response boilerplate", if you will. An example of what I mean: ...
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Where to place private methods in Ruby?

... The best practice in my point of view is to go sequentially and declare your methods without keeping private in point of view. At the end, you can make make any method private by just adding: private :xmethod Example: class Example def xmethod end def ymethod end def zmethod...
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Response.Redirect to new window

... I just found the answer and it works :) You need to add the following to your server side link/button: OnClientClick="aspnetForm.target ='_blank';" My entire button code looks something like: <asp:LinkButton ID="myButton" runat="server" Text...
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What is the difference between pylab and pyplot? [duplicate]

What is the difference between matplotlib.pyplot and matplotlib.pylab? 1 Answer 1 ...