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how to check if object already exists in a list
...ld use a HashSet. If later operations required indexing, I'd create a list from it when the Adding was done, otherwise, just use the hashset.
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Get line number while using grep
...f 1 | tail -1 (you can save this to a variable and use it to e.g tail file from it)
– Nux
May 7 '14 at 14:08
And to re...
How do you stop tracking a remote branch in Git?
...rigin/master' does not appear to be a git repository fatal: Could not read from remote repository. after doing this and trying a git pull origin/master
– information_interchange
Aug 13 '18 at 15:51
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Replace line break characters with in ASP.NET MVC Razor view
...enefit of putting less onus on the Razor View developer to ensure security from XSS vulnerabilities.
My concern with Jacob's solution is that rendering the line breaks with CSS breaks the HTML semantics.
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ASP.NET MVC Razor render without encoding
...en adding your own extensions to the HtmlHelper, or when returning a value from your view model that you know may contain html.
For example, if your view model was:
public class SampleViewModel
{
public string SampleString { get; set; }
public MvcHtmlString SampleHtmlString { get; set; }
}
F...
What is a provisioning profile used for when developing iPhone applications?
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A Quote from : iPhone Developer Program (~8MB PDF)
A provisioning profile is a collection of digital entities that uniquely ties developers and devices to an authorized iPhone Development Team and enables a device to be used for ...
When to use references vs. pointers
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From C++ FAQ Lite -
Use references when you can, and pointers when you have to.
References are usually preferred over pointers whenever you don't need
"reseating". This usually means that references are most usefu...
Is generator.next() visible in Python 3?
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Is there any justification for the switch from a method to a function, beyond g.next() should really be g.__next__(), and we need to have something that isn't a dunder method with the functionality of g.next()?
– T.C. Proctor
De...
How do you check if a variable is an array in JavaScript? [duplicate]
...Also note that when testing if is array with an object created (or passed) from another frame, most of the tests will fail (since the Array in given window is different than Array in frame window). Also there is a catch if an array is constructed via new Array or literaly as [..]
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Best way to use PHP to encrypt and decrypt passwords? [duplicate]
...tly the same way your application can. You could still get some protection from some SQL injection attacks and misplaced db backups if you store a secret key in a file and use that to encrypt on the way to the db and decrypt on the way out. But you should use bindparams to completely avoid the issue...