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How to duplicate a git repository? (without forking)
I have two repositories, and I need to copy whole of one onto the other empty one which has different access levels from the first one. The copy and the mother repository should not be linked together.
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C++ Redefinition Header Files (winsock2.h)
...ing header files twice? The problem is I'm including the in MyClass.h and then I'm including MyClass.h in many files, so it includes multiple times and redefinition error occurs. How to prevent?
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Is it possible to roll back CREATE TABLE and ALTER TABLE statements in major SQL databases?
... on a program that issues DDL. I would like to know whether CREATE TABLE and similar DDL can be rolled back in
5 Answers
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How ViewBag in ASP.NET MVC works
...ct , which intrigues me, how does "Magic" properties such as ViewBag.Foo and magic strings ViewBag["Hello"] actually work?
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Primary key or Unique index?
At work we have a big database with unique indexes instead of primary keys and all works fine.
15 Answers
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Where to find “Microsoft.VisualStudio.TestTools.UnitTesting” missing dll?
...rofessional or above; .NET Framework 4.0).
or right click on your project and select: Add Reference... > .NET:
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Lua string to int
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Nope, it'll convert "10" to integer and then add 0 to it. (The lack of clarity is all the more reason to use tonumber instead, though!)
– Rena
Jun 28 '15 at 6:32
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How can I use UUIDs in SQLAlchemy?
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The sqlalchemy postgres dialect supports UUID columns. This is easy (and the question is specifically postgres) -- I don't understand why the other answers are all so complicated.
Here is an example:
from sqlalchemy.dialects.postgresql import UUID
from flask_sqlalchemy import SQLAlchemy
impo...
What is JavaScript's highest integer value that a number can go to without losing precision?
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JavaScript has two number types: Number and BigInt.
The most frequently-used number type, Number, is a 64-bit floating point IEEE 754 number.
The largest exact integral value of this type is Number.MAX_SAFE_INTEGER, which is:
253-1, or
+/- 9,007,199,254,740,...
Why can't I declare static methods in an interface?
... difference between
public interface Foo {
public static int bar();
}
and
public interface Foo {
public static int bar() {
...
}
}
The first is impossible for the reasons that Espo mentions: you don't know which implementing class is the correct definition.
Java could allow the latt...