Category: Programming

Oct 29 2015

Update all Python pip packages

Permanent link to this article: http://ericsilva.org/2015/10/29/update-all-python-pip-packages/

Aug 17 2015

MuleSoft CloudHub to Amazon AWS RedShift Proxy

I encountered a situation in which we needed to connect a Mule ESB flow running in MuleSoft’s CloudHub to an Amazon AWS Redshift cluster.  This doesn’t work out of the box.  I’ve outlined the steps to create a proxy server below. The original write up I did is also available in this Gist. Overview Below …

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Permanent link to this article: http://ericsilva.org/2015/08/17/mulesoft-cloudhub-to-amazon-aws-redshift-proxy/

Nov 12 2014

Counting Items in JSON Object

For basic JSON tasks (e.g., querying, counting) I use the jq command-line utility. To get a count of the items in a JSON object use the following command: Still interested? Check out the full tutorial and the manual.

Permanent link to this article: http://ericsilva.org/2014/11/12/counting-items-in-json-object/

Sep 26 2014

Shell Shock Vulnerability and Bash Patch

Given that Bash 3.2 (the version shipped by OSX) is vulnerable to the remote execution exploit known as “Shell Shock” (CVE-2014-6271 and CVE-2014-7169), many are asking how do I rebuild Bash and secure my system ahead of an official Apple patch? I found the answer over at StackExchange.  Follow the instructions whether you use the native …

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Permanent link to this article: http://ericsilva.org/2014/09/26/shell-shock-vulnerability-and-bash-patch/

Jul 06 2014

Automatically Set $GOROOT variable with Homebrew

If you are using Go with Homebrew on OSX, add this to your ~/.profile or ~/.bash_profile to set the $GOROOT automatically:

Permanent link to this article: http://ericsilva.org/2014/07/06/automatically-set-goroot-variable-with-homebrew/

Mar 13 2013

Computer System Validation

I just posted a presentation on SlideShare which discusses the reasons why efficient validation of computer systems used within the pharmaceutical and healthcare industries is needed for companies developing such software. The presentation also goes into details of why good software development practices are also required. Computer System Validation from Eric Silva

Permanent link to this article: http://ericsilva.org/2013/03/13/computer-system-validation/

Nov 14 2012

Instagrate to WordPress – Hashtags and Post Tags

Like millions of others, I use Instagram. When I started using Instagram, I wanted the photos I shared to automatically show up on my WordPress site. I use the wonderful Instagrate to WordPress plugin to make this possible.  Besides the free version of the plugin, the developer also offers a Pro version that has many more …

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Permanent link to this article: http://ericsilva.org/2012/11/14/instagrate-to-wordpress-hashtags-and-post-tags/

Oct 11 2012

Restoring Your Python Registry in Windows

For some odd reason the Python registry occasionally disappears, and when it does it prevents one from being able to install new modules via the Windows MSI installer. Here is a quick fix that can be done to restore the registry and allow you to get back to writing some awesome Python code. First step …

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Permanent link to this article: http://ericsilva.org/2012/10/11/restoring-your-python-registry-in-windows/

Aug 29 2012

Fixing File Upload Size Limit in IIS 7

I am product manager for a .NET application that contains functionality to upload and download files. Just when I thought everything was running smoothly, we ran into a file size upload limit which I thought we had already adjusted using the maxRequestLength attribute of the element. After spending an hour on my own trying to …

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Permanent link to this article: http://ericsilva.org/2012/08/29/fixing-file-upload-size-limit-in-iis-7/

Jul 11 2012

MongoDB and NoSQL

I recently started playing around with NoSQL databases as became interested in MongoDB. Here is a great video tutorial that will get you quickly introduced to NoSQL and the MongoDB application. It covers how NoSQL is different from typical RDBMS platforms and schemas, and how data is stored in MongoDB.

Permanent link to this article: http://ericsilva.org/2012/07/11/mongodb-and-nosql/

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