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How to find if a given key exists in a C++ std::map
...he intent clear and enhance readability. Note that other languages such as C# forbid such an implicit conversion to prevent the possibility of introducing subtle programming errors.
– DavidRR
Dec 17 '16 at 15:38
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Scroll Element into View with Selenium
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Thanks @DevDave! Equivalent in C#: var elem = driver.FindElement(By.Id("element_id")); elem.SendKeys(Keys.PageDown);
– Watth
Jun 5 at 18:51
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How do I use DateTime.TryParse with a Nullable?
...urn DateTime.TryParse(text, out date) ? date : (DateTime?) null;
}
Or in C# 7:
public static DateTime? TryParse(string text) =>
DateTime.TryParse(text, out var date) ? date : (DateTime?) null;
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How do I obtain the frequencies of each value in an FFT?
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Not the answer you're looking for? Browse other questions tagged c# signal-processing fft or ask your own question.
What is the difference between Type and Class?
...g subset of metadata describing some aspects of an object.
For example in C# you can find interfaces and classes. Both of them are types, but interface can only define some contract and can not be instantiated unlike classes.
Simply speaking class is a specialized type used to encapsulate properti...
Reminder - \r\n or \n\r?
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If you are using C# you should use Environment.NewLine, which accordingly to MSDN it is:
A string containing "\r\n" for non-Unix platforms, or a string containing "\n" for Unix platforms.
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Best way to alphanumeric check in JavaScript
...ies of String, not modifying existing functionalities. For perspective, in C# world, that would be considered as a perfectly valid usage of an extension method. Even if some day "String.isAlphaNumeric(): boolean" would be implemented by browser manufacturers, neither the signature nor action would a...
How to locate a file in Solution Explorer in Visual Studio 2010?
... called SolutionExplorer.SyncWithActiveDocument. The default shortcut for c# is Ctrl+[,S
This command will navigate to the active file in the Solution Explorer.
Also, it seems that you need to have the "Track Active Item in Solution Explorer" option turned off.
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How to insert newline in string literal?
...rst line" + Environment.NewLine + "second line";
String interpolation (in C#6 and above):
string x = $"first line{Environment.NewLine}second line";
You could also use \n everywhere, and replace:
string x = "first line\nsecond line\nthird line".Replace("\n",
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What is an ORM, how does it work, and how should I use one? [closed]
...one).
Python: the Django ORM or SQLAlchemy (My favorite ORM library ever).
C#: NHibernate or Entity Framework
If you want to try an ORM library in Web programming, you'd be better off using an entire framework stack like:
Symfony (PHP, using Propel or Doctrine).
Django (Python, using a internal ...