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Index on multiple columns in Ruby on Rails
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Just a warning about checking uniqueness at validation time vs. on index: the latter is done by database while the primer is done by the model. Since there might be several concurrent instances of a model running at the same time, the validation is subject to race conditions, whi...
Is there a way to stop Google Analytics counting development work as hits?
...pment work as hits. Seeing as I probably see some of those pages a hundred times a day it will really skew my readings. Is there a way to turn it off from a particular IP address or is this something that should be built into my build process so it only gets added when I build for deployment?
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How do I create a branch?
How do I create a branch in SVN?
10 Answers
10
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Way to go from recursion to iteration
...ears of programming to solve simple problems, but I'm fully aware that sometimes you need iteration due to memory/speed problems.
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How to iterate over values of an Enum having flags?
... was getting weird duplicate log entries because methods were running more times than I expected when they had only one non-zero enum flag set. Thanks for taking the time to update and add in this great solution!
– BrianH
May 21 '15 at 20:12
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The type or namespace name 'Objects' does not exist in the namespace 'System.Data'
I am using entities, C# and SQL Server to create an n-tier app. I am creating some base classes common to all my DAL components. In this base class, i want to handle the connection state of the ObjectContext base class inherited by entities object.
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Capture Video of Android's Screen
Forget screenshots, is it posible to capture a video of the running application in android?
Rooted or non-rooted, I don't care, I want atleast 15fps.
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Greedy vs. Reluctant vs. Possessive Quantifiers
...etition differently, and try again. (And yes, this process can take a long time.)
The first example uses the greedy
quantifier .* to find "anything", zero
or more times, followed by the letters
"f" "o" "o". Because the quantifier is
greedy, the .* portion of the
expression first eats t...
What are .NET Assemblies?
...e terms: A chunk of (precompiled) code that can be executed by the .NET runtime environment. A .NET program consists of one or more assemblies.
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Get the device width in javascript
Is there a way to get the users device width, as opposed to viewport width, using javascript?
12 Answers
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