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Performance of Find() vs. FirstOrDefault() [duplicate]
...r Diana within a large sequence of a simple reference type having a single string property.
2 Answers
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Permutations in JavaScript?
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usedChars.pop();
}
return permArr
};
document.write(JSON.stringify(permute([5, 3, 7, 1])));
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Linux delete file with size 0 [duplicate]
...n linux if its size is 0. I want to execute this in an crontab without any extra script.
8 Answers
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Replace new lines with a comma delimiter with Notepad++?
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Here's what worked for me with a similar list of strings in Notepad++ without any macros or anything else:
Click Edit -> Blank Operations -> EOL to space
[All the items should now be in a single line separated by a 'space']
Select any 'space' and do a Replace All (b...
Unique Constraint in Entity Framework Code First
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Starting with EF 6.1 it is now possible:
[Index(IsUnique = true)]
public string EmailAddress { get; set; }
This will get you a unique index instead of unique constraint, strictly speaking. For most practical purposes they are the same.
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How can I hide an HTML table row so that it takes up no space?
...w still contribute to the widths of the columns. I will sometimes make an extra row at the bottom of a table with just some spacers that make it so certain columns can't be less than a certain width, then hide the row using this method. (I know you're supposed to be able to do this with other css ...
How can I search for a multiline pattern in a file?
I needed to find all the files that contained a specific string pattern. The first solution that comes to mind is using find piped with xargs grep :
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How to inherit from a class in javascript?
...ill. For instance, this is how people typically add "trim()" method to all string objects (it is not built-in) See an example here: developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/…
– naivists
May 7 '15 at 6:02
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PostgreSQL: How to pass parameters from command line?
...elect * from table_1 where id = :v1;
Please pay attention on how we pass string/date value using two quotes " '...' "
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How do I trap ctrl-c (SIGINT) in a C# console app
...ss event is used for this. This is how it's used:
public static void Main(string[] args)
{
Console.CancelKeyPress += delegate {
// call methods to clean up
};
while (true) {}
}
When the user presses Ctrl + C the code in the delegate is run and the program exits. This allows y...