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Determine which JAR file a class is from

... Yes. It works for all classes except classes loaded by bootstrap classloader. The other way to determine is: Class klass = String.class; URL location = klass.getResource('/' + klass.getName().replace('.', '/') + ".class"); As notnoop pointe...
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TSQL - Cast string to integer or return default value

... variables, my function can be defined as an inline table-valued function, allowing for better query optimization. Joseph's answer can lead to incorrect results due to silent truncations of the argument; '00000000000000001234' evaluates to 12. Increasing the parameter length would result in errors o...
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Nullable vs. int? - Is there any difference?

...ression term ';' If you are curious about the exact reason for this, I really recommend you to check the already linked question, but the basic problem is that in the parsing phase after an is (or an as) operator, when we face a ? token we check if the next token can be interpreted as a unary oper...
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How to un-commit last un-pushed git commit without losing the changes

...t branch. See git reset man In case you did push publicly (on a branch called 'master'): git checkout -b MyCommit //save your commit in a separate branch just in case (so you don't have to dig it from reflog in case you screw up :) ) revert commit normally and push git checkout master git re...
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What exactly is Heroku?

I just started learning Ruby on rails and I was wondering what Heroku really is? I know that its a cloud that helps us to avoid using servers? When do we actually use it? ...
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Is it possible to declare git repository as dependency in android gradle?

... this is spam i guess. but i really want to say that jitpack.io is really really really cool.............. – Eric Jun 25 '16 at 4:58 5 ...
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Assert a function/method was not called using Mock

...y to test my application, but I want to assert that some function was not called. Mock docs talk about methods like mock.assert_called_with and mock.assert_called_once_with , but I didn't find anything like mock.assert_not_called or something related to verify mock was NOT called . ...
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What is mod_php?

... mod_php means PHP, as an Apache module. Basically, when loading mod_php as an Apache module, it allows Apache to interpret PHP files (those are interpreted by mod_php). EDIT : There are (at least) two ways of running PHP, when working with Apache : Using CGI : a PHP...
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Understanding repr( ) function in Python

...gt;>> x 'foo' So the name x is attached to 'foo' string. When you call for example repr(x) the interpreter puts 'foo' instead of x and then calls repr('foo'). >>> repr(x) "'foo'" >>> x.__repr__() "'foo'" repr actually calls a magic method __repr__ of x, which gives the s...
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How to get a DOM Element from a JQuery Selector

...h: $("table").get(0); or more simply: $("table")[0]; There isn't actually a lot you need this for however (in my experience). Take your checkbox example: $(":checkbox").click(function() { if ($(this).is(":checked")) { // do stuff } }); is more "jquery'ish" and (imho) more concise. W...