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Discovering other objects while doing TDD
Category : Development Tools & Services

I am trying to practice TDD.

My understanding is that TDD should go like this

Write a test list for the interface/class I am going to develop.
Start with the easiest not implemented test from my test list.
Write the test, no implementation code yet.
Write the interface of the class to make the code compile.
Run the test resulting in one failing test.
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POS.NET discovering pos printers
Category : Programming Languages

I use PosExplorer.GetDevices method to look for printers available on network. However, the DeviceInfo object in the DeviceCollection returned by GetDevices() method does not include information on LogicalNames, HardwareId, HardwarePath.

In my app, I need to discover available printers and create an instance of those printers.

I am using epson t88iv printers.

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Discovering duplicate lines
Category : Programming Languages

I've got a file of CSS elements, and I'm trying to check for any duplicate CSS elements,.. then output the lines that show the dupe lines.


###Test & ##.ABC already exists in the

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Discovering capabilities of Ruby gem
Category : Programming Languages

The Ruby (and RoR) community publishes a large number of gems. But more often than not using these gems requires a good amount of effort, specially if one is new to Ruby. It would to be nice if Ruby experts (rockstars) share the best approaches to utilize inadequately documented gems.


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Android NSD not discovering all services
Category : Programming Languages

I'm trying to run an application using Android Native Service Discovery but sometimes when I run the application, it doesn't discover all services from my network. I'm running the code from https://github.com/joeluchoa/nsd using four galaxy nexus and most of the times each of them discoveries different number of services at the same time.

Basically I run a service with a ServerSocke

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Function for discovering encoding from BOM
Category : Programming Languages

I was wondering whether the python library has a function that returns a file's character encoding by looking for the presence of a BOM.

I've already implemented something, but I'm just afraid I might be reinventing the wheel

Update: (based on John Machin's correction):

import codecs
def _get_encoding_from_bom(fd):
first_bytes = fd.read(4)
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pyUSB Not Discovering Devices
Category : Programming Languages

So, I've installed libusb and pyUSB on my OS X Lion (10.7.3) machine, and I have the following script running:

import usb
import time
if __name__ == "__main__":
while True:
busses = usb.busses()
print busses[0]
print busses[0].__dict__

I have a single USB device plugged in: a

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My iPhone Bluetooth Is Not Discovering
Category : Electronics
Bluetooth is a feature of many electronic devices that allows you to connect other devices wirelessly and without an Internet connection. It works over short distances, transmitting signals similar to radio waves. With this feature on the iPhone, you can connect other wireless devices, such as a cordless headset for taking hands-free phone calls or a keyboard for easier typing. However, some issue

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Decryption without client discovering key
Category : Web Design

Can anyone think of a method which would allow for client-side decryption of a publicly available file without the client being able to determine the decryption key? Of course, if the key was in a JavaScript variable then it would be readily available to the user. Any ideas?

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C#: Discovering Extension Methods
Category : Programming Languages

What tools or techniques do you recommend for discovering C# extension methods in code? They're in the right namespace, but may be in any file in the solution.


How can I find all extension methods (and navigate to them) on the current type in the code window?

I do have Resharper (v4), so if that has a mechanism I'm not aware of - please share!

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