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How can I scan barcodes on iOS?
... use an external framework or library. The iOS ecosystem with AVFoundation now fully supports scanning almost every code from QR over EAN to UPC.
Just have a look at the Tech Note and the AVFoundation programming guide. AVMetadataObjectTypeQRCode is your friend.
Here is a nice tutorial which shows...
CSS selector for first element with class
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This is one of the most well-known examples of authors misunderstanding how :first-child works. Introduced in CSS2, the :first-child pseudo-class represents the very first child of its parent. That's it. There's a very common misconception that it picks u...
jQuery document.createElement equivalent?
... more scientific than my primitive benchmarks, plus it can be crowdsourced now!
http://jsben.ch/#/ARUtz
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How to simulate Server.Transfer in ASP.NET MVC?
... httpHandler.ProcessRequest(httpContext);
}
}
}
Updated: Now works with MVC3 (using code from Simon's post). It should (haven't been able to test it) also work in MVC2 by looking at whether or not it's running within the integrated pipeline of IIS7+.
For full transparency; In our ...
What is the simplest way to convert a Java string from all caps (words separated by underscores) to
...es they need a routine to swap the case of letters. They implement it. You now have ~20 lines to maintain. You would have ~2 if you used the library. And don't forget the unit tests! * The accepted answer has a downside in that the method name does not describe what the code does. A well reused API ...
Pass complex parameters to [Theory]
... Any ideas what happened with ClassData? I canõt find it in xUnit2.0, for now, I am using MemberData with static method, which creates new instance of class, and returns that.
– Erti-Chris Eelmaa
May 16 '15 at 23:43
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How do I concatenate two arrays in C#?
Right now I use
23 Answers
23
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What Git branching models work for you?
...epo (mandatory since Git1.7)
follow Linus's advices on rebase and merges
Now:
Workflows / branching models:
each workflow is there to support a release management process, and that is tailored for each project.
What I can add to the workflow you mention is: each developer should not create a fe...
Rails - How to use a Helper Inside a Controller
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Note: This was written and accepted back in the Rails 2 days; nowadays grosser's answer is the way to go.
Option 1: Probably the simplest way is to include your helper module in your controller:
class MyController < ApplicationController
include MyHelper
def xxxx
@comments...
What's the difference between `raw_input()` and `input()` in Python 3?
...e raw_input() does not.
Python 3:
raw_input() was renamed to input() so now input() returns the exact string.
Old input() was removed.
If you want to use the old input(), meaning you need to evaluate a user input as a python statement, you have to do it manually by using eval(input()).
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