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Draw in Canvas by finger, Android
... View. You override the onDraw(). You add the path of where finger touches and moves. You override the onTouch() of this purpose. In your onDraw() you draw the paths using the paint of your choice. You should call invalidate() to refresh the view.
To choose options you can click menu and choose the...
Javascript: get package.json data in gulpfile.js
...thin the gulpfile.js; For instance, I want to get the homepage or the name and use it in a task.
4 Answers
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Python if-else short-hand [duplicate]
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The most readable way is
x = 10 if a > b else 11
but you can use and and or, too:
x = a > b and 10 or 11
The "Zen of Python" says that "readability counts", though, so go for the first way.
Also, the and-or trick will fail if you put a variable instead of 10 and it evaluates to Fals...
Include .so library in apk in android studio [duplicate]
I am trying my hands on developing a simple android application in which I am trying to use sqlcipher , which uses .so libraries internally. I have read the documentation on how to use sqlcipher with android app . I have followed the steps and it compiles without any error. But, at runtime it thro...
What is the difference between a deep copy and a shallow copy?
What is the difference between a deep copy and a shallow copy?
31 Answers
31
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Proper way to use **kwargs in Python
... I like to use positional arguments only for required arguments, and kwargs for arguments that may or may not be specified, but it is helpful to have a default value. kwargs is nice because you can submit your args in any order you choose. Positional arguments don't give you that freedom...
How can I add the new “Floating Action Button” between two widgets/layouts
I guess you have seen the new Android design guidelines, with the new "Floating Action Button" a.k.a "FAB"
10 Answers
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How to implement a rule engine?
...ppet compiles the Rules into fast executable code (using Expression trees) and does not need any complicated switch statements:
(Edit : full working example with generic method)
public Func<User, bool> CompileRule(Rule r)
{
var paramUser = Expression.Parameter(typeof(User));
Expression...
Catch-22 prevents streamed TCP WCF service securable by WIF; ruining my Christmas, mental health
...pinning your wheels, let me tell you why:
It strikes me that you are now wandering in a similar class of problem. If you enable message level security, the client must load the entire stream of data into memory before it can actually close out the message with the usual hash function and xml signat...
Return all enumerables with yield return at once; without looping through
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It's definitely not a stupid question, and it's something that F# supports with yield! for a whole collection vs yield for a single item. (That can be very useful in terms of tail recursion...)
Unfortunately it's not supported in C#.
However, if you have several...