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Why doesn't Java allow generic subclasses of Throwable?

... They could just disallow using two catch blocks with the same type together. So that using SomeExc<Integer> alone would be legal, only using SomeExc<Integer> and SomeExc<String> together would be illegal. That would make no pr...
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Difference between git pull and git pull --rebase

...t saying git pull --rebase is the same as git fetch and git rebase is basically how it is, but it's not exactly semantically equivalent. There are some differences, some of which are explained here. gitolite.com/git-pull--rebase – w0rp Aug 20 '15 at 9:47 ...
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Python circular importing?

... of it) for the first time, the code inside the module is executed sequentially like any other code; e.g., it is not treated any differently that the body of a function. An import is just a command like any other (assignment, a function call, def, class). Assuming your imports occur at the top of th...
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How to programmatically create and read WEP/EAP WiFi configurations in Android?

... I want to confirm there's something wrong with WEP on Android (4.1 here) when doing it programmatically. If I do this manually in the system's settings however, it works. I tried everything for days, then changed to WPA, and it worked ...
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Logging levels - Logback - rule-of-thumb to assign log levels

...y requires human intervention. The "2AM rule" applies here- if you're on call, do you want to be woken up at 2AM if this condition happens? If yes, then log it as "error". warn: an unexpected technical or business event happened, customers may be affected, but probably no immediate human intervent...
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mongo group query how to keep fields

...are accumulated/funneled/reduced) doesn't make so much sense even theoretically. However, sorting before hand is actually inefficient compared to sorting each group within themselves since sorting algorithms are more complex than O(n). I wish there would be better ways in MongoDB. ...
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error: ‘NULL’ was not declared in this scope

... Actually it's not a keyword in Java either. – Man of One Way Jun 19 '12 at 22:11 4 ...
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What's to stop malicious code from spoofing the “Origin” header to exploit CORS?

...header Origin: http://foo.com , and bar must respond with Access-Control-Allow-Origin: http://foo.com . 3 Answers ...
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JavaScript open in a new window, not tab

I have a select box that calls window.open(url) when an item is selected. Firefox will open the page in a new tab by default. However, I would like the page to open in a new window, not a new tab. ...
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Rails new vs create

...d to render a form suitable for creating a new resource, which it does by calling the new action within the controller, which creates a new unsaved record and renders the form. An HTTP POST to /resources takes the record created as part of the new action and passes it to the create action within th...