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How costly is .NET reflection?
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It is. But that depends on what you're trying to do.
I use reflection to dynamically load assemblies (plugins) and its performance "penalty" is not a problem, since the operation is something I do during startup of the application.
However, if you'r...
Difference between toFixed() and toPrecision()?
...Fixed() and toPrecision() to round numbers. However, I can't figure out what the difference between the two is.
8 Answer...
What is the difference between Hibernate and Spring Data JPA
What are the main differences between Hibernate and Spring Data JPA? When should we not use Hibernate or Spring Data JPA? Also, when may Spring JDBC template perform better than Hibernate / Spring Data JPA?
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What's the shebang/hashbang (#!) in Facebook and new Twitter URLs for?
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What about progressive enhancement principle? Website shouldn't crash of fail due to disabled JavaScript. And trust me, javascript is disabled not just in outdated browsers but also by many security aware users who do not lik...
OOP vs Functional Programming vs Procedural [closed]
What are the differences between these programming paradigms, and are they better suited to particular problems or do any use-cases favour one over the others?
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Open file in a relative location in Python
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With this type of thing you need to be careful what your actual working directory is. For example, you may not run the script from the directory the file is in. In this case, you can't just use a relative path by itself.
If you are sure the file you want is in a subdir...
Chmod 777 to a folder and all contents [duplicate]
... and user groups accordingly.
More info :
Understanding File Permissions: What Does “Chmod 777″ Mean?
What file permissions should I set on web root?
Why shouldn't /var/www have chmod 777
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Multiple Inheritance in C#
...mplex"
MI is a useful concept, the un-answered questions are ones like:- "What do you do when you have multiple common base classes in the different superclasses?
Perl is the only language I've ever worked with where MI works and works well. .Net may well introduce it one day but not yet, the CLR ...
python design patterns [closed]
...s will be possible in any OO language, whether it be Python, Java, or C++. What is non-pythonic in your opinion?
– Paul Hiemstra
Feb 23 '12 at 21:13
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Multiple linear regression in Python
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@HuanianZhang what do you mean by confidence level? If you want the coefficient of determination, the score method will do it; sklearn.metrics has some other model evaluation criteria. If you want the stuff like in Akavall's answer, statsm...