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Why does the is operator return false when given null?

...ave a lot of overlap, but they are not identical in the CLR. If musings about type theory interest you, check out my recent articles on the subject: What is this thing you call a "type"? Part one What is this thing you call a "type"? Part Two ...
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How to do version numbers? [closed]

...versioned by SVN. It's a webapp so basically there will never be a version out which doesn't have some features in them and thus could always be labeled as beta. But since it's going to be a corporate product I really don't want the "unstable watchout" on there. So how would you go about versioning?...
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Does Python have a package/module management system?

...y the prohibitive difficulty of setup. However, there remains a number of outstanding frustrations with the Python packaging experience. Cumulatively, they make Python very unwelcoming for newbies. Also, the long history of neglect (ie. not shipping with a package manager for 14 years from Python 2...
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How does Spring autowire by name when more than one matching bean is found?

... but @Resource won't be there out-of-the-box with java 11 due to jigsaw modules – Dirk Hoffmann Aug 26 '19 at 15:21 add a comment ...
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How do I move a tab in Notepad++ to a new window?

... That's the answer, but it's greyed out for me, explaining why I missed it. How do I enable it? I have appended my question with this info. – Xonatron Nov 6 '12 at 14:28 ...
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Are static fields open for garbage collection?

...esponsible for loading this class) is itself collected for garbage. Check out the JLS Section 12.7 Unloading of Classes and Interfaces A class or interface may be unloaded if and only if its defining class loader may be reclaimed by the garbage collector [...] Classes and interfaces loa...
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How can I use jQuery in Greasemonkey scripts in Google Chrome?

... Use jQuery without fear of conflicts, by calling jQuery.noConflict(true). Like so: function GM_main ($) { alert ('jQuery is installed with no conflicts! The version is: ' + $.fn.jquery); } add_jQuery (GM_main, "1.7.2"); function add_...
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How do I interactively unstage a particular hunk in git?

... git reset -p filename selectively unstages changes. There's also git checkout -p -- filename, which lets you selectively discard changes from a file. Warning: each of add and reset can be used to undo the other of the two, but if you use this form of checkout to discard a change, you can't get it b...
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Are “elseif” and “else if” completely synonymous?

...case for complete branches (every if has an else). – outis Jul 16 '15 at 20:55 Here's another example for reference ph...
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Is it possible in SASS to inherit from a class in another file?

... as it may not work as you expect. There are some things to be aware of as outlined in this post: stackoverflow.com/questions/30744625/… – Patrik Affentranger Oct 28 '15 at 3:35 ...