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Difference between Select and ConvertAll in C#

... Select is a LINQ extension method and works on all IEnumerable<T> objects whereas ConvertAll is implemented only by List<T>. The ConvertAll method exists since .NET 2.0 whereas LINQ was introduced with 3.5. You should favor Select over ConvertAll...
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Java ArrayList - how can I tell if two lists are equal, order not mattering?

... You could sort both lists using Collections.sort() and then use the equals method. A slighly better solution is to first check if they are the same length before ordering, if they are not, then they are not equal, then sort, then use equals. For example if you had two lists o...
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#ifdef vs #if - which is better/safer as a method for enabling/disabling compilation of particular s

...is may be a matter of style, but there's a bit of a divide in our dev team and I wondered if anyone else had any ideas on the matter... ...
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Correct way to define C++ namespace methods in .cpp file

... Version 2 is unclear and not easy to understand because you don't know which namespace MyClass belongs to and it's just illogical (class function not in the same namespace?) Version 1 is right because it shows that in the namespace, you are defi...
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How to install pip with Python 3?

... edit: Manual installation and use of setuptools is not the standard process anymore. If you're running Python 2.7.9+ or Python 3.4+ Congrats, you should already have pip installed. If you do not, read onward. If you're running a Unix-like System You c...
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What's so bad about in-line CSS?

When I see website starter code and examples, the CSS is always in a separate file, named something like "main.css", "default.css", or "Site.css". However, when I'm coding up a page, I'm often tempted to throw the CSS in-line with a DOM element, such as by setting "float: right" on an image. I get t...
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What is the Linux equivalent to DOS pause?

...er presses a key. In DOS, this is easily accomplished with the "pause" command. Is there a Linux equivalent I can use in my script? ...
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Eclipse “Server Locations” section disabled and need to change to use Tomcat installation

...metadata]" bit should have been replaced by something else. Open (or close and reopen) the Overview screen for the server. share | improve this answer | follow ...
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What is the difference between Modal and Push segue in Storyboards?

Can someone explain to me what is the exact difference between modal and push segue? 4 Answers ...
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I want to get Year, Month, Day, etc from Java Date to compare with Gregorian Calendar date in Java.

....add(Calendar.DAY_OF_MONTH, -48) to do day arithmetic on Calendar objects. And you can compare two Calendar objects using cal.compareTo(anotherCal). – Florent Guillaume Feb 27 '12 at 23:55 ...