... For GNU xargs, you can use the -r or --no-run-if-empty option: --no-run-if-empty -r If the standard input does not contain any nonblanks, do not run the command. Normally, the command is run once even if th...

... VonC has the answer you're looking for, the Rebase Extension. It is, however, worth spending a second or two thinking about why neither mq nor rebase are enabled by default in mercurial: because mercurial is all about indelible changesets. When I work in the...

If I'm writing unit tests in python (using the unittest module), is it possible to output data from a failed test, so I can examine it to help deduce what caused the error? I am aware of the ability to create a customized message, which can carry some information, but sometimes you might deal with m...

Is there a convenient way to calculate percentiles for a sequence or single-dimensional numpy array? 11 Answers ...

What is the scope of variables in javascript? Do they have the same scope inside as opposed to outside a function? Or does it even matter? Also, where are the variables stored if they are defined globally? ...

Let's say I have the following: 7 Answers 7 ...

If I have a function which accepts more than one string parameter, the first parameter seems to get all the data assigned to it, and remaining parameters are passed in as empty. ...

I'd like to know if it is possible to include a .js file within another .js file? 5 Answers ...

I have a gitignore file that makes git ignore *.dll files, and that is actually the behavior I want. However, if I want an exception ( i.e. to be able to commit foo.dll ), how can I achieve this? ...

I have a Python function which takes several arguments. Some of these arguments could be omitted in some scenarios. 2 Answe...