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How do I update a formula with Homebrew?
...e old ways will still work if use append --force.
– mxcl
Feb 28 '12 at 17:37
2
When I run "brew u...
What is the difference between gsub and sub methods for Ruby Strings
...ng :gsub and it appears that they are essentially the same. Can anyone explain the difference to me? Thanks!
4 Answers
...
Most efficient way to remove special characters from string
...thing that makes a method like this efficient is that it scales well. The execution time will be relative to the length of the string. There is no nasty surprises if you would use it on a large string.
Edit:
I made a quick performance test, running each function a million times with a 24 character ...
Determining Whether a Directory is Writeable
... way in Python to determine whether a directory is writeable for the user executing the script? Since this will likely involve using the os module I should mention I'm running it under a *nix environment.
...
What does cherry-picking a commit with Git mean?
... are on the branch you want to apply the commit to.
git checkout master
Execute the following:
git cherry-pick <commit-hash>
N.B.:
If you cherry-pick from a public branch, you should consider using
git cherry-pick -x <commit-hash>
This will generate a standardized commit mess...
Difference between `npm start` & `node app.js`, when starting app?
I have installed an application using the command express new 'filename' . I have just learned that you can start an application using:
...
How to run multiple Python versions on Windows
...
Running a different copy of Python is as easy as starting the correct executable. You mention that you've started a python instance, from the command line, by simply typing python.
What this does under Windows, is to trawl the %PATH% environment variable, checking for an executable, either bat...
Convert unix time to readable date in pandas dataframe
I have a dataframe with unix times and prices in it. I want to convert the index column so that it shows in human readable dates.
...
Flatten List in LINQ
...
Is there some alternate syntax for SelectMany( i => i ) ? I've seen this syntax used a lot but it seems a degenerate use of the select feature, so I would have expected the language designers to come up with a shortcut syntax specifically for lists of...
How to output a comma delimited list in jinja python template?
...%}
,
{% endif %}
Note that you can also shorten the code by using If Expression:
{{ ", " if not loop.last}
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