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How to Calculate Execution Time of a Code Snippet in C++

...ve to compute execution time of a C++ code snippet in seconds. It must be working either on Windows or Unix machines. 18 An...
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Generate an integer that is not among four billion given ones

... Assuming that "integer" means 32 bits: 10 MB of space is more than enough for you to count how many numbers there are in the input file with any given 16-bit prefix, for all possible 16-bit prefixes in one pass through the input file. At least one of the buckets will have be hit les...
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How to TryParse for Enum value?

...with this string, it will return false, even though Enum.Parse handles it correctly. Update As mentioned by Lisa and Christian in the comments, Enum.TryParse is now available for C# in .NET4 and up. MSDN Docs share ...
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Ruby on Rails: Where to define global constants?

... If your model is really "responsible" for the constants you should stick them there. You can create class methods to access them without creating a new object instance: class Card < ActiveRecord::Base def self.colours ['white', 'blue'] end end # acces...
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Deploying my application at the root in Tomcat

... You have a couple of options: Remove the out-of-the-box ROOT/ directory from tomcat and rename your war file to ROOT.war before deploying it. Deploy your war as (from your example) war_name.war and configure the context root in conf/server.xml to use your war file : <Context path="" docBa...
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Traits vs. interfaces

... and I find myself getting hung up on traits. I understand the concept of horizontal code reuse and not wanting to necessarily inherit from an abstract class. What I don't understand is: What is the crucial difference between using traits versus interfaces? ...
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How to Load an Assembly to AppDomain with all references recursively?

... You need to invoke CreateInstanceAndUnwrap before your proxy object will execute in the foreign application domain. class Program { static void Main(string[] args) { AppDomainSetup domaininfo = new AppDomainSetup(); domaininfo.ApplicationBase = ...
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Efficient way to insert a number into a sorted array of numbers?

I have a sorted JavaScript array, and want to insert one more item into the array such the resulting array remains sorted. I could certainly implement a simple quicksort-style insertion function: ...
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Is UML practical? [closed]

In college I've had numerous design and UML oriented courses, and I recognize that UML can be used to benefit a software project, especially use-case mapping, but is it really practical? I've done a few co-op work terms, and it appears that UML is not used heavily in the industry. Is it worth ...
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Adding a UILabel to a UIToolbar

I'm trying to add a label to my toolbar. Button works great, however when I add the label object, it crashes. Any ideas? 8 ...