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Why call git branch --unset-upstream to fixup?

.... Once local branch L is set to track remote-tracking branch R, Git will call R its "upstream" and tell you whether you're "ahead" and/or "behind" the upstream (in terms of commits). It's normal (even recommend-able) for the local branch and remote-tracking branches to use the same name (except fo...
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Are delphi variables initialized with a value by default?

... As Giacomo pointed out in the comments below, this is all explained in the Delphi help files at ms-help://borland.bds4/bds4ref/html/Variables.htm. In Delphi 2009 I found the same info by searching the help for "variables" (funnily enough I tried lots of searches but I didn't th...
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How to deep copy a list?

... don't make a deep copy using list() (Both list(...) and testList[:] are shallow copies). You use copy.deepcopy(...) for deep copying a list. deepcopy(x, memo=None, _nil=[]) Deep copy operation on arbitrary Python objects. See the following snippet - >>> a = [[1, 2, 3], [4, 5, 6]]...
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How to upgrade PowerShell version from 2.0 to 3.0

...he OS that I am using is Windows 7, and the PowerShell version that is installed here is 2.0. Is it possible for me to upgrade it to version 3.0 or 4.0? ...
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for each loop in Objective-C for accessing NSMutable dictionary

... I was wondering, should'nt it have been: for (NSString* key in [xyz allKeys]) ?? Or does it not really matter. – FlowUI. SimpleUITesting.com Apr 2 '12 at 4:23 ...
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Becoming better at Vim [closed]

...hose #?@! nutheads use vi?" is a nice introduction to "the Vim way", especially about text objects which are one of the most defining features of Vim. share | improve this answer | ...
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How to convert 2D float numpy array to 2D int numpy array?

...(int), np.array([-np.inf]).astype(int), and np.array([np.nan]).astype(int) all return the same thing. Why? – BallpointBen May 14 '18 at 20:47 1 ...
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Lombok added but getters and setters not recognized in Intellij IDEA

...sing IntelliJ IDEA on ubuntu. I added lombok.jar into my project and installed the Lombok plugin for IDEA. I have access to the annotations but the getters and setters aren't generated. I get the same errors I would get if I tried accessing a getter or setter method that doesn't exist. What co...
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Merge, update, and pull Git branches without using checkouts

I work on a project that has 2 branches, A and B. I typically work on branch A, and merge stuff from branch B. For the merging, I would typically do: ...
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Is it possible to run selenium (Firefox) web driver without a GUI?

... is a post you can follow. Here is the summary steps to set up Xvfb #install Xvfb sudo apt-get install xvfb #set display number to :99 Xvfb :99 -ac & export DISPLAY=:99 #you are now having an X display by Xvfb s...