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scala vs java, performance and memory? [closed]
... and have one basic question I cant seem to find an answer to:
in general, is there a difference in performance and usage of memory between Scala and Java?
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Standard alternative to GCC's ##__VA_ARGS__ trick?
There is a well-known problem with empty args for variadic macros in C99.
10 Answers
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Is there any difference between GROUP BY and DISTINCT
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MusiGenesis' response is functionally the correct one with regard to your question as stated; the SQL Server is smart enough to realize that if you are using "Group By" and not using any aggregate functions, then what you actually mea...
How to find out if you're using HTTPS without $_SERVER['HTTPS']
...rials online that says you need to check $_SERVER['HTTPS'] if the server is connection is secured with HTTPS. My problem is that on some of the servers I use, $_SERVER['HTTPS'] is an undefined variable that results in an error. Is there another variable I can check that should always be defined?...
What's the difference between JavaScript and JScript?
I have always wondered WHaT tHE HecK?!? is the difference between JScript and JavaScript.
12 Answers
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Eventual consistency in plain English
I often hear about eventual consistency in different speeches about NoSQL, data grids etc.
It seems that definition of eventual consistency varies in many sources (and maybe even depends on a concrete data storage).
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Why do we need boxing and unboxing in C#?
...the way that reference types represent their underlying data (e.g., an int is just a bucket of thirty-two bits which is completely different than a reference type).
Think of it like this. You have a variable o of type object. And now you have an int and you want to put it into o. o is a reference t...
Comparing numbers in Bash
...g scripts for the bash terminal, but I can't work out how to get the comparisons to work properly. The script I'm using is:
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Why would I use a templating engine? jsp include and jstl vs tiles, freemarker, velocity, sitemesh
...web context, such as in sending emails
Velocity's template language syntax is far simpler than JSP EL or tag libraries
Strict separation of view logic from any other sort of logic - no possible option to drop down to using scriptlet tags and doing nasty things in your templates.
Placeholders -...
How can I get the application's path in a .NET console application?
...cation1
Combine that with System.IO.Path.GetDirectoryName if all you want is the directory.
1As per Mr.Mindor's comment:
System.Reflection.Assembly.GetExecutingAssembly().Location returns where the executing assembly is currently located, which may or may not be where the assembly is located ...