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How to undo “git commit --amend” done instead of “git commit”

...happens on top of a different commit from where the current branch head is now. # Move the current head so that it's pointing at the old commit # Leave the index intact for redoing the commit. # HEAD@{1} gives you "the commit that HEAD pointed at before # it was moved to where it currently point...
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Default value of function parameter

...uments have to form a contiguous group at the end of the parameter list. Now, keeping that in mind, in C++ you are allowed to "grow" the set of parameters that have default arguments from one declaration of the function to the next, as long as the above requirements are continuously satisfied. Fo...
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Is there any way to enforce typing on NSArray, NSMutableArray, etc.?

...to allow compile-time static type checking (so the compiler could let you know if you try to add an object it knows is a different class through that method), but there's no real way to enforce that an array only contains objects of a given class. In general, there doesn't seem to be a need for su...
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Push Notifications in Android Platform

... it's in beta right now, but you can sign up in hopes of being activated. – brack Oct 6 '10 at 19:08 3 ...
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How would you access Object properties from within an object method? [closed]

...erform a calculation, and then set some other value in the object, better known as procedural programming. You'd be better served to simply tell the object to do what you were going to in the first place; also known as the Information Expert idiom. Getters and setters, however, are necessary evils ...
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Factors in R: more than an annoyance?

...ns that are factors using gdata require(gdata) drop.levels(dataframe) I know that it is straightforward to recode levels of a factor and to rejig the labels and there are also wonderful ways to reorder the levels. My brain just cannot remember them and I have to relearn it every time I use it. Rec...
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Python extending with - using super() Python 3 vs Python 2

...o by doing nothing in C, you end up calling both, which is what you want. Now if you were not using super, you would end up inheriting A.__init__ (as before) but this time there's nothing that would call B.__init__ for you. class A: def __init__(self): print('A') class B: def __in...
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Declaring an unsigned int in Java

...at int variables are still signed when declared but unsigned arithmetic is now possible by using those methods in the Integer class. share | improve this answer | follow ...
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How do I run a Node.js application as its own process?

...e file will be interpreted with that binary. Google 'interpreter Unix' to know more. – mikemaccana Jan 5 '18 at 12:56 ...
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How can I send an email by Java application using GMail, Yahoo, or Hotmail?

... I'd like to know more about that spam limit... I do have to send several emails, should I split them in groups? wait for a specified amount of time? Anybody knows the details of google mails limitations? – opensas ...