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Using regular expressions to parse HTML: why not?
... I assumed we were discussing Perl-type regexes where they aren't actually regular expressions.
– Hank Gay
Feb 26 '09 at 16:12
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Find and restore a deleted file in a Git repository
... of '~1': git checkout <deleting-commit>~1 -- <file-path> ~X allows you to specify X commits before the specified commit, so ~1 is the commit before, ~2 is two commits before, etc
– Nils Luxton
Sep 10 '12 at 15:07
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setting an environment variable in virtualenv
...variables to get its configuration, but I use virtualenv to test my app locally first.
10 Answers
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Java optional parameters
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varargs could do that (in a way). Other than that, all variables in the declaration of the method must be supplied. If you want a variable to be optional, you can overload the method using a signature which doesn't require the parameter.
private boolean defaultOptionalFlagVa...
Are nested HTML comments possible?
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Yes, HTML and XML don't allow to nest comments using <!--. What you can do in your own code is define a comment element and ignore it actively during parsing.
– Aaron Digulla
Jan 14 '09 at 14:06
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How to run test methods in specific order in JUnit4?
...e is a clean way to do this with JUnit, to my knowledge JUnit assumes that all tests can be performed in an arbitrary order. From the FAQ:
How do I use a test fixture?
(...) The ordering of test-method invocations is not guaranteed, so testOneItemCollection() might be executed before testEm...
How to disable UITextField editing but still accept touch?
I'm making a UITextField that has a UIPickerView as inputView . Its all good, except that I can edit by copy, paste, cut and select text, and I don't want it. Only the Picker should modify text field.
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angular.service vs angular.factory
... myInjectedFactory can be an object, a function reference, or any value at all. For example, if you wrote a service to create a constructor (as in the last example above), it would have to be instantiated like so:
var myShinyNewObject = new myInjectedService.myFunction()
which is arguably less desi...
Is it possible to use “/” in a filename?
...hould ever be done, but is there a way to use the slash character that normally separates directories within a filename in Linux?
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How to handle checkboxes in ASP.NET MVC forms?
...input type="submit" value="Submit" />
<%}%>
Your checkboxes are all called selectedObjects, and the value of each checkbox is the GUID of the corresponding object.
Then post to the following controller action (or something similar that does something useful instead of Response.Write())
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