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How to duplicate virtualenv
...ext editor, you'll see something like:
Django==1.3
Fabric==1.0.1
etc...
Now, edit the line that says Django==x.x to say Django==1.3 (or whatever version you want to install in your new virtualenv).
Lastly, activate your new virtualenv, and run:
pip install -r requirements.txt
And pip will aut...
Constructor of an abstract class in C#
... possible to write constructor for an abstract class in C#?
As far as I know we can't instantiate an abstract class.. so what is it for?
You can't instantiate the class, right?
...
List or IList [closed]
...ays writeable and thus always keeps its promises. Also, since .NET 4.6, we now have IReadOnlyCollection<T> and IReadOnlyList<T> which are almost always better fits than IList<T>. And they are covariant. Avoid IList<T>!
– ZunTzu
Nov 10 '1...
Parsing XML with namespace in Python via 'ElementTree'
...
@Bludwarf: The docs do mention it (now, if not when you wrote that), but you have to read them verrrry carefully. See the Parsing XML with Namespaces section: there's an example contrasting the use of findall without and then with the namespace argument, but t...
Declaring abstract method in TypeScript
...e property is marked as protected. This was added in TypeScript 1.3 and is now firmly established.
The makeSound method is marked as abstract, as is the class. You cannot directly instantiate an Animal now, because it is abstract. This is part of TypeScript 1.6, which is now officially live.
abstr...
Set cellpadding and cellspacing in CSS?
... cellspacing attributes are removed in HTML5, so CSS is the only way to go now.
– Ignas2526
Nov 22 '13 at 19:10
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Is there a “theirs” version of “git merge -s ours”?
...ging topic branch "B" into "A" using git merge , I get some conflicts. I know all the conflicts can be solved using the version in "B".
...
Git pull a certain branch from GitHub
... a project with multiple branches. I've been pushing them to GitHub , and now that someone else is working on the project I need to pull their branches from GitHub. It works fine in master. But say that someone created a branch xyz . How can I pull branch xyz from GitHub and merge it into branch...
Cast Double to Integer in Java
...r val = (myDouble == null)? null : Integer.valueOf(myDouble.intValue());
Now it works fine for most values. However integers have a very small range (min/max value) compared to a Double. On top of that, doubles can also hold "special values", that integers cannot:
1/0 = +infinity
-1/0 = -infini...
How can I disable a button in a jQuery dialog from a function?
...inueButton').attr("disabled", true);
Update: Ahha, I see the complexity now. The jQuery Dialog had a single line that will be of use (under the "buttons" section.
var buttons = $('.selector').dialog('option', 'buttons');
You'll need to get the buttons collection from the dialog, loop through...