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Why doesn't django's model.save() call full_clean()?
...matic" validation option which is both simple enough to actually be useful and robust enough to handle all the edge cases is -- if it's even possible -- far more than can be accomplished on the 1.2 timeframe. Hence, for now, Django doesn't have any such thing, and won't have it in 1.2. If you think ...
How to dynamically create a class?
...e.
Edit: This code might be flawed, but it will give you the general idea and hopefully off to a good start towards the goal.
using System;
using System.Reflection;
using System.Reflection.Emit;
namespace TypeBuilderNamespace
{
public static class MyTypeBuilder
{
public static voi...
How to use null in switch
... Integer or other Wrapper class, because of unboxing. But what about enums and strings? Why can't they be null?
– Luan Nico
Nov 2 '13 at 11:20
9
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How to declare Return Types for Functions in TypeScript
...eturn type is specified on the greet() function. Change the type to number and you'll get warnings.
class Greeter {
greeting: string;
constructor (message: string) {
this.greeting = message;
}
greet() : string {
return "Hello, " + this.greeting;
}
}
var greeter...
Calling virtual functions inside constructors
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Calling virtual functions from a constructor or destructor is dangerous and should be avoided whenever possible. All C++ implementations should call the version of the function defined at the level of the hierarchy in the current constructor and no further.
The C++ FAQ Lite covers this in sectio...
Renaming columns in pandas
I have a DataFrame using pandas and column labels that I need to edit to replace the original column labels.
27 Answers
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Return value in a Bash function
I am working with a bash script and I want to execute a function to print a return value:
9 Answers
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Escaping a forward slash in a regular expression
My question is a simple one, and it is about regular expression escaping. Do you have to escape a forward slash / in a regular expression? And how would you go about doing it?
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Sorting related items in a Django template
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@Mark Indeed it does. As far as I understand @property is overkill here as there's no getters or setters involved: stackoverflow.com/questions/1554546/…
– Rick Westera
Jan 22 '14 at 21:46
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How do I activate C++ 11 in CMake?
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CMake 3.1 introduced the CMAKE_CXX_STANDARD variable that you can use. If you know that you will always have CMake 3.1 available, you can just write this in your top-level CMakeLists.txt file, or put it right before any new target is defined:
set (CMAKE_CXX_ST...