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Error message “No exports were found that match the constraint contract name”

... I solved this problem by clearing Visual Studio Component Model Cache. Just delete or rename this folder: %LocalAppData%\Microsoft\VisualStudio\11.0\ComponentModelCache or %LocalAppData%\Microsoft\VPDExpress\11.0\ComponentModelCache and re...
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Spring AOP vs AspectJ

... overhead. Spring-AOP cannot add an aspect to anything that is not created by the Spring factory AspectJ Pros This supports all joinpoints. This means you can do anything. There is less runtime overhead than that of Spring AOP. AspectJ Cons Be careful. Check if your aspects are weaved to on...
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How to create a private class method?

...+ Person.get_name puts "Hey, " + Person.persons_name Alternatively (in ruby 2.1+), since a method definition returns a symbol of the method name, you can also use this as follows: class Person def self.get_name persons_name end private_class_method def self.persons_name "Sam" end...
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Use ASP.NET MVC validation with jquery ajax?

...alidation, which is preferable anyways since client side validation can be bypassed. – Andrew Burgess Jul 23 '14 at 8:14 8 ...
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How to add title to subplots in Matplotlib?

...roach is nice because it gives more control over the title position...e.g. by adding kwarg y=0.7 you can plot the subplot title within the subplot – CreekGeek Aug 25 at 5:25 a...
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bash: Bad Substitution

...cause the hashbang line will be ignored and the script will be interpreted by dash, which does not support that string substitution syntax. share | improve this answer | foll...
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When and why would you seal a class?

...th sealing classes in reused libraries, especially if they're beind reused by third parties and then reintegrated (via MEF) into the codebase. Your codebase may not inherit a given class but third parties will. – Louis Kottmann Feb 12 '15 at 11:32 ...
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How to align absolutely positioned element to center?

...; top:50%; margin-left:-[half the width] /* As pointed out on the comments by Chetan Sastry */ Not sure if it'll work, but it's worth a try... Minor edit: Added the margin-left part, as pointed out on the comments by Chetan... ...
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What does an Asterisk (*) do in a CSS selector?

...ve them multiple coloured borders. For example, a white border surrounded by a black border. share | improve this answer | follow | ...
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Spring classpath prefix difference

...// Only look for a pattern after a prefix here // (to not get fooled by a pattern symbol in a strange prefix). int prefixEnd = locationPattern.indexOf(":") + 1; if (getPathMatcher().isPattern(locationPattern.substring(prefixEnd))) { // a file pattern return findPa...