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Difference between HashSet and HashMap?
...nd the value is a Dummy object of Object class.
Difference between HashMap vs HashSet is:-
HashMap contains key value pairs and each value can be accessed by key where as HashSet needs to be iterated everytime as there is no get method.
HashMap implements Map interface and allows one null value ...
Case insensitive 'Contains(string)'
...t;= 0;
}
}
Note, that null propagation ?. is available since C# 6.0 (VS 2015), for older versions use
if (source == null) return false;
return source.IndexOf(toCheck, comp) >= 0;
USAGE:
string title = "STRING";
bool contains = title.Contains("string", StringComparison.OrdinalIgnoreCas...
Where does the @Transactional annotation belong?
...ansactional(readOnly = false, rollbackFor = Exception.class)
See Checked vs. Unchecked Exceptions.
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How to overwrite the previous print to stdout in python?
...h it's not elegant). One comment I might add is that this does not work in VS Code's debug console, but it works in the terminal.
– PhilMacKay
Jan 9 '18 at 21:57
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Session variables in ASP.NET MVC
... is good reference.
Get/Set HttpContext Session Methods in BaseController vs Mocking HttpContextBase to create Get/Set methods
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Representing Directory & File Structure in Markdown Syntax [closed]
... using this anwser the tree is just renderd as a few text lines. Tested in VSCode and VisualStudio with md plugin. Also on GitHub this is not working
– Danny
Nov 22 '18 at 10:05
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Copy and paste content from one file to another file in vi
... Use + as cross-platform system clipboard register (Windows and Linux) vs. *, which is Windows only (+ works just the same in Windows as *).
– Stephen Swensen
Oct 4 '13 at 17:11
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“The page you are requesting cannot be served because of the extension configuration.” error message
...are using.
This is a common issue and happens when IIS is installed after VS or .NET framework.
Note - for Windows 8/10 users, see the other answer by JohnOpincar below. And also the comment/tip from Kevin Brydon.
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Why should I use Deque over Stack?
...th encapsulation) can be found here: baddotrobot.com/blog/2013/01/10/stack-vs-deque
– rics
Dec 12 '16 at 11:45
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SQL: How to get the count of each distinct value in a column?
...f this superstition. Otherwise it would be evaluated as per ANSI" Count(*) vs Count(1)
– Michel Ayres
Dec 3 '14 at 17:42
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