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What's wrong with foreign keys?
... a foreign key (if I remember correctly). However, to me they seem pretty vital to avoid duplication and subsequent data integrity problems throughout your database.
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Can I catch multiple Java exceptions in the same catch clause?
...tch both ExceptionA and ExceptionB in the same block if ExceptionB is inherited, either directly or indirectly, from ExceptionA. The compiler will complain:
Alternatives in a multi-catch statement cannot be related by subclassing
Alternative ExceptionB is a subclass of alternative ExceptionA
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Application_Start not firing?
...clicking Debug >> Attach to process. Attach to the browser and then hit your application. To be safe, then restart IIS and hit the site. I am not 100% convinced this will solve the problem, but it will do much better than firing off a thread sleep in App_Start.
Another option is temporarily h...
Android Studio doesn't see device
...nager in Android Studio doesn't show my device but adb devices does show it. Am I missing something obvious here?
65 Answ...
UTF-8 all the way through
...and retrieve values encoded natively in UTF-8. Note that MySQL will implicitly use utf8mb4 encoding if a utf8mb4_* collation is specified (without any explicit character set).
In older versions of MySQL (< 5.5.3), you'll unfortunately be forced to use simply utf8, which only supports a subset o...
How to validate phone numbers using regex
...g to put together a comprehensive regex to validate phone numbers. Ideally it would handle international formats, but it must handle US formats, including the following:
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Firebug says “No Javascript on this page”, even though JavaScript does exist on the page
...Script on the page. I even reloaded the page several time to make sure but it still show the same message.
17 Answers
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Change project name on Android Studio
...as shown in the image below.
In the first rectangle I want to change it in:
31 Answers
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How do I disable a Pylint warning?
..."more than one statement on a single line" -- I often put if statements with short single-line results on the same line), in Pylint 0.21.1 (if it matters: astng 0.20.1, common 0.50.3, Python 2.6.6 (r266:84292, Sep 15 2010, 16:22:56)).
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How can I pretty-print JSON in a shell script?
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With Python 2.6+ you can just do:
echo '{"foo": "lorem", "bar": "ipsum"}' | python -m json.tool
or, if the JSON is in a file, you can do:
python -m json.tool my_json.json
if the JSON is from an internet source such as ...