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How can I fix the Microsoft Visual Studio error: “package did not load correctly”?

I installed Visual Studio 2012 and DevExpress 13.1. As Visual Studio started, it generated an error shown by this attached image, ...
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Favorite Django Tips & Features?

... This alleviates you from always type os.path.join() which gets annoying pretty fast: j = lambda filename: os.path.join(PROJECT_DIR, filename). Then you just need to type j("static"). – wr. Ma...
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“java.lang.OutOfMemoryError: PermGen space” in Maven build [duplicate]

...etting this error while building Maven project, I increased MAVEN_OPTS but all the same, I found some similar posts but they are refering to something else. How do I fix this? ...
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ASP.NET MVC RequireHttps in Production Only

...onal compilation could do the job... #if !DEBUG [RequireHttps] //apply to all actions in controller #endif public class SomeController { //... or ... #if !DEBUG [RequireHttps] //apply to this action only #endif public ActionResult SomeAction() { } } Update In Visual Basic, ...
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Evenly distributing n points on a sphere

...ating an array N points and node[k] is the kth (from 0 to N-1). If that is all that is confusing you, hopefully you can use that now. (in other words, k is an array of size N that is defined before the code fragment starts, and which contains a list of the points). Alternatively, building on the o...
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Why do loggers recommend using a logger per class?

...ogger.DebugFormat("File not found: {0}", _filename); // Logger determines caller -- or -- Logger.DebugFormat(this, "File not found: {0}", _filename); // Pass in the caller Using the second example, the Logger would need to build a stack trace to see who was calling it or your code would always h...
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What is the curiously recurring template pattern (CRTP)?

... curiously recurring, isn't it? :) Now, what does this give you? This actually gives the X template the ability to be a base class for its specializations. For example, you could make a generic singleton class (simplified version) like this template <class ActualClass> class Singleton { ...
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Fastest way to determine if an integer is between two integers (inclusive) with known sets of values

...s an old trick to do this with only one comparison/branch. Whether it'll really improve speed may be open to question, and even if it does, it's probably too little to notice or care about, but when you're only starting with two comparisons, the chances of a huge improvement are pretty remote. The c...
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Alphabet range in Python

...gt;>> string.ascii_lowercase 'abcdefghijklmnopqrstuvwxyz' If you really need a list: >>> list(string.ascii_lowercase) ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z'] And to do it with range >&g...
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What are valid values for the id attribute in HTML?

... For HTML 4, the answer is technically: ID and NAME tokens must begin with a letter ([A-Za-z]) and may be followed by any number of letters, digits ([0-9]), hyphens ("-"), underscores ("_"), colons (":"), and periods ("."). HTML 5 is even more permissiv...