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When do you use the “this” keyword? [closed]
...here are several usages of this keyword in C#.
To qualify members hidden by similar name
To have an object pass itself as a parameter to other methods
To have an object return itself from a method
To declare indexers
To declare extension methods
To pass parameters between constructors
To internall...
Best practices for catching and re-throwing .NET exceptions
... used for exceptions over aggregated operations. For example, it is thrown by the ParallelEnumerable and Task classes of the CLR. Usage should probably follow this example.
– Aluan Haddad
Feb 27 '17 at 8:41
...
What are 'get' and 'set' in Swift?
...r convenience - you can call this from other code without having to divide by or multiply by 3 all the time, because that's done right before setting the variable and right before you get the variable.
In Swift, we can have properties that are computed when gotten and can do something when set. We ...
How to create module-wide variables in Python? [duplicate]
... else:
raise RuntimeError("Database name has already been set.")
By the way, for this example, the simple if not __DBNAME__ test is adequate, because any string value other than an empty string will evaluate true, so any actual database name will evaluate true. But for variables that migh...
How to hide only the Close (x) button?
...
You can't hide it, but you can disable it by overriding the CreateParams property of the form.
private const int CP_NOCLOSE_BUTTON = 0x200;
protected override CreateParams CreateParams
{
get
{
CreateParams myCp = base.CreateParams;
myCp.ClassSt...
What is the use of making constructor private in a class?
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By providing a private constructor you prevent class instances from being created in any place other than this very class. There are several use cases for providing such constructor.
A. Your class instances are created in a ...
What difference does .AsNoTracking() make?
...The difference is that in the first case the retrieved user is not tracked by the context so when you are going to save the user back to database you must attach it and set correctly state of the user so that EF knows that it should update existing user instead of inserting a new one. In the second ...
What does it mean when an HTTP request returns status code 0?
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I think you are probably right. (Although, as pointed out by @sleepycod wininet.dll would be expected to return some status code in the absence of a real http status code.)
– mike nelson
May 26 '09 at 21:17
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Salting Your Password: Best Practices?
...ough salt. Think about the birthday problem.
There's an excellent answer by Dave Sherohman to another question why you should use randomly generated salts instead of a user's name (or other personal data). If you follow those suggestions, it really doesn't matter where you put your salt in.
...
What is the simplest way to convert a Java string from all caps (words separated by underscores) to
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Refer to the comment by George Hawkins [user:245602] for an example. stackoverflow.com/questions/1143951/…
– Michael Scheper
Oct 17 '13 at 5:56
...