We recently had a problem where, after a series of commits had occurred, a backend process failed to run. Now, we were good little boys and girls and ran rake test after every check-in but, due to some oddities in Rails' library loading, it only occurred when we ran it directly from Mongrel in pro...

Say I have an ID row (int) in a database set as the primary key. If I query off the ID often do I also need to index it? Or does it being a primary key mean it's already indexed? ...

I would like to simulate packet delay and loss for UDP and TCP on Linux to measure the performance of an application. Is there a simple way to do this? ...

Is it possible to generate a random number between 2 doubles? 12 Answers 12 ...

I am running MS SQL Server 2008 on my local machine. I know that the default port is 1433 but some how it is not listening at this port. The SQL is an Express edition. ...

I'm connected to my university's small Linux cluster via PuTTY and WinSCP, transferring files using the latter and compiling and running them with the former. My work so far has been performed in the university's labs, but today I have been doing some work at home that generated an interesting warn...

What is the best way of searching the whole classpath for an annotated class? 13 Answers ...

I am writing a very simple script that calls another script, and I need to propagate the parameters from my current script to the script I am executing. ...

I have some bells in my database with the same number. I want to get all of them without duplication. I created a compare class to do this work, but the execution of the function causes a big delay from the function without distinct, from 0.6 sec to 3.2 sec! ...

I'm having some information in Google Spreadsheets as a single sheet. Is there any way by which I can read this information from .NET by providing the google credentials and spreadsheet address. Is it possible using Google Data APIs. Ultimately I need to get the information from Google spreadsheet ...