Hi

I'm Sean.

I write about #software, #SaaS, #consulting and #mobile app development

I code in #Python, #PHP, #Swift, #Ruby, #ReactJS and #Postgres


Random Blog Posts See more posts

Why are PHP5 Namespaces Defined Using a Backslash?
Why are PHP namespaces defined using a backslash? It looks ugly. Unless of course, there is a good reason for the "\"? Does this namespaced code run more efficiently on Windows? Since namespaces are new in PHP5 why not take the opportunity to use them wh...
Written by Sean Behan on 06/17/2012
Recursively Zip Up a Directory while Excluding Certain Files Based on File Extension Type
In the example below, I'm going to zip up a directory that includes images in both PNG and PSD file formats. However, I want to exclude the PSDs because they are huge! zip -r my-compressed-dir-without-psd.zip directory-to-zip -x '*.psd'
Written by Sean Behan on 06/17/2012
How to Recover a Mistakenly Deleted Branch
Workflow git checkout -b _new_branch_name # do some work and commit changed git checkout master git branch -d _new_branch_name # doh... i meant to merge first Fortunately, you can easily recover from this mistake. git reflog 395b1ea HEAD@{0}: checkout...
Written by Sean Behan on 06/17/2012
Adding Public/Private Key Pairs on Mac OS X and Ubuntu for Passwordless Remote SSH Sessions
On your local machine cd into the .ssh directory in your home "~/" directory. If it doesn't exist you can create it with "mkdir ~/.ssh". Next generate your public/private keys and copy the public key to the remote server. cd ~/.ssh ssh-keygen ...
Written by Sean Behan on 06/17/2012
Git Feature Branch Naming Strategy
There are only two hard things in Computer Science: cache invalidation and naming things. -- Phil Karlton Typically, we have three main branches at any given time in a project lifecycle. master, development and staging. Master is production ready code, d...
Written by Sean Behan on 06/17/2012