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When splitting an empty string in Python, why does split() return an empty list while split('\n') re

...ode (with an argument such as \n) will produce the first empty field. Consider if you had written '\n'.split('\n'), you would get two fields (one split, gives you two halves). Question: Is there any specific reason for such a difference? This first mode is useful when data is aligned in colu...
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Can dplyr package be used for conditional mutating?

...3 <- BASE_fun(DF)) # user system elapsed # 11.676 1.530 13.319 identical(as.data.frame(ans1), as.data.frame(ans2)) # [1] TRUE identical(as.data.frame(ans1), as.data.frame(ans3)) # [1] TRUE Not sure if this is an alternative you'd asked for, but I hope it helps. ...
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Requirejs domReady plugin vs Jquery $(document).ready()?

...equireJS and need to initialize something on DOM ready. Now, RequireJS provides the domReady plugin , but we already have jQuery's $(document).ready() , which is available to me since I have required jQuery. ...
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Differences between git remote update and fetch?

...rep --color=always -R -C30 fetch Documentation/RelNotes/* | less Then I did a less search for --all, and this is what I found under the release notes for Git version 1.6.6: git fetch learned --all and --multiple options, to run fetch from many repositories, and --prune option to remove remote ...
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Interface Builder: What are the UIView's Layout iOS 6/7 Deltas for?

...lta between layout position from iOS6 to iOS7. In iOS7, some views can hide the status bar or have it transparent and, in effect, it is overlaid on top of your view. So if you put a UI element at (0.0, 0.0) on iOS6, it will appear below the status bar, but on iOS7 it would appear partially cover...
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Choice between vector::resize() and vector::reserve()

... you want an array to which you expect to insert 1000 items and want to avoid a couple of allocations, use reserve(). EDIT: Blastfurnace's comment made me read the question again and realize, that in your case the correct answer is don't preallocate manually. Just keep inserting the elements at the...
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Escape double quotes in parameter

... Actually ^ didn't work for me, but \ did, per this answer: stackoverflow.com/questions/2403647/… – kalenjordan Aug 16 '12 at 22:05 ...
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RRSet of type CNAME with DNS name foo.com. is not permitted at apex in zone bar.com

...lly used only for zone maintenance, these situations where you want to provide a CNAME at the zone's apex are quite common. Even though the RFC prohibits it, many engineers would like a behaviour such as: "follow the CNAME unless the query explicitly asks for the SOA record". That's why Route 53 pro...
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how do I initialize a float to its max/min value?

... ret.second = *begin; } return ret; } The disadvantage of providing sample code -- I see others have already suggested the same idea. Note that while the standard has a min_element and max_element, using these would require scanning through the data twice, which could be a problem if t...
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Moving matplotlib legend outside of the axis makes it cutoff by the figure box

...ntly similar to calling tight_layout, but instead you allow savefig to consider extra artists in the calculation. This did in fact resize the figure box as desired. import matplotlib.pyplot as plt import numpy as np plt.gcf().clear() x = np.arange(-2*np.pi, 2*np.pi, 0.1) fig = plt.figure(1) ax = f...