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Why does this method print 4?

...t execution if you'd prefer- static int cnt = 0; public static void main(String[] args) { try { main(args); } catch (Throwable ignore) { cnt++; try { System.out.println(cnt); } catch (Throwable t) { }...
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What is the difference between HTTP and REST?

...d a header info to every request. HTTP Methods supported by REST: GET: /string/someotherstring It is idempotent and should ideally return the same results every time a call is made PUT: Same like GET. Idempotent and is used to update resources. POST: should contain a url and body Used for cre...
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Are multiple `.gitignore`s frowned on?

...ability to have multiple .gitignore files is very useful is if you want an extra directory in your working copy that you never intend to commit. Just put a 1-byte .gitignore (containing just a single asterisk) in that directory and it will never show up in git status etc. ...
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What are the benefits of using C# vs F# or F# vs C#? [closed]

...tter to do a UI with lots of mutable fields. Maybe he was referring to the extra overhead of having to write "mutable" and using <- instead of =. Also depends on the library/designer used. We love using ASP.NET MVC with F# for all the controllers, then a C# web project to get the ASPX designers....
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Compare two data.frames to find the rows in data.frame 1 that are not present in data.frame 2

...nging order and names of variables, shortening variables, changing case of strings). From this, you should be able to figure out what was missing from one or the other. For example (this is not very elegant): difference <- data.frame(lapply(1:ncol(a1),function(i)setdiff(a1[,i],comparison$tM[,...
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What is the meaning and difference between subject, user and principal?

...at is the benefit of breaking things down to Subject, Principal, User, its extra complexity what benefit do we get from this extra complexity? – ams Feb 17 '11 at 6:20 ...
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How to use ng-repeat without an html element

...e, etc.. just like in the good old days when we would concat our html from strings.. right? no. as for flattening the structure into a list, here's another solution: // assume the following structure var structure = [ { name: 'item1', subitems: [ { name: 'it...
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Why are quaternions used for rotations?

... because they can do more than rotations. But in the case of rotations the extra components are determined in terms of the others. – JMP Jan 18 '12 at 23:45 2 ...
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Referring to the null object in Python

...Empty() >>> empty==None True But then it also works on the empty string >>> empty=='' True And yet >>> ''==None False >>> empty is None False Case 2: Using None as a boolean The following two tests if value: # Do something if not value: # Do something ...
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How can I reconcile detached HEAD with master/origin?

...nally implemented as symbolic links, but later changed to plain files with extra interpretation so that they could be used on platforms that do not have symlinks.) We have HEAD → refs/heads/master → 17a02998078923f2d62811326d130de991d1a95a When HEAD is detached, it points directly to a commit...