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How to create default value for function argument in Clojure
...ach is you can assign the default function a different name (decimal, hex, etc) which may be more descriptive and/or a different scope (var, local). The partial function can also be mixed with some of the approaches above if desired:
(defn string->integer
([s] (string->integer s 10))
([b...
How to save traceback / sys.exc_info() values in a variable?
...traceback contains the stack information like where the exception occurred etc.
For Example, In the following program
try:
a = 1/0
except Exception,e:
exc_tuple = sys.exc_info()
Now If we print the tuple the values will be this.
exc_tuple[0] value will be "ZeroDivisionError"
exc_tu...
What exactly are iterator, iterable, and iteration?
...3) method.
Whenever you use a for loop, or map, or a list comprehension, etc. in Python, the next method is called automatically to get each item from the iterator, thus going through the process of iteration.
A good place to start learning would be the iterators section of the tutorial and the i...
Where is a complete example of logging.config.dictConfig?
... django-specific? What if I'm using a different framework (Flask, Bottle, etc), or not even working on a web application?
– Adam Parkin
Dec 18 '18 at 21:04
...
What is exactly the base pointer and stack pointer? To what do they point?
...is because the flow of the function call is:
Push parameters (hInstance, etc.)
Call function, which pushes return address
Push ebp
Allocate space for locals
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How do you do Impersonation in .NET?
...e System.Security.Principal namespace:
Newer code (.NET 4.6+, .NET Core, etc.) should generally use WindowsIdentity.RunImpersonated, which accepts a handle to the token of the user account, and then either an Action or Func<T> for the code to execute.
WindowsIdentity.RunImpersonated(tokenHa...
Control the dashed border stroke length and distance between strokes
...t with a pixel value, percentage value, or as another multiple (1x, 2x, 3x etc). This overrides any border-width set.
Define the border-image-slice:
In this example, the thickness of the images top, right, bottom and left borders is 2px, and there is no gap outside of them, so our slice value is 2:...
Differences between lodash and underscore [closed]
...you're into convenience and like its extended feature catalogue (deep copy etc.) and if you're in desperate need of instant performance and most importantly don't mind settling for an alternative as soon as native API's outshine opinionated workaurounds. Which is going to happen soon. Period.
There'...
ASP.NET MVC A potentially dangerous Request.Form value was detected from the client when using a cus
... var theValue = valueProviderResult.AttemptedValue;
// etc...
}
}
}
The other required piece is a way to retrieve an unvalidated value. In this example we use an extension method for the ModelBindingContext class:
public static class ExtensionHelpers
{
public s...
Best Practice for Exception Handling in a Windows Forms Application?
...ect. Typical checks include, argument not null, argument in expected range etc.
When rethrowing preserve stack trace - This simply translates to using throw when rethrowing instead of throw new Exception(). Alternatively if you feel that you can add more information then wrap the original exception...