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Instance attribute attribute_name defined outside __init__
...ion has the merit to avoid another warning caused when you declare self.my_string:str = None => "Expected type 'str' got None instead. Am curious if str() takes more memory than None, and why this solution is less pythonic if it avoids an IDE warning...
– Nono London
...
Passing parameters to addTarget:action:forControlEvents
...ass something other than integers? what if I need to pass an object like a string?
– user102008
Apr 6 '11 at 22:55
@us...
difference between foldLeft and reduceLeft in Scala
... For example:
List(1,3,5).foldLeft(0) { _ + _ }
List(1,3,5).foldLeft(List[String]()) { (a, b) => b.toString :: a }
The foldLeft will apply the closure with the last folded result (first time using initial value) and the next value.
reduceLeft on the other hand will first combine two values f...
How do I reference a javascript object property with a hyphen in it?
... to remember when accessing properties this way
they are evaluated so use strings unless you are doing something with a counter or using dynamic method names.
this means obj[method] would give you an undefined error
while obj["method"] would not
You must use this notation if you are using characte...
Use of exit() function
... bad.
Edit:
Oh, and
void main()
is bad, too, it's:
int main(int argc, char *argv[])
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How to use '-prune' option of 'find' in sh?
...ge.org/UsingFind)
Just noticed -path is for a path that fully matches the string/path that comes just after find (. in theses examples) where as -name matches all basenames.
find . -path ./.git -prune -o -name file -print
blocks the .git directory in your current directory ( as your finding in...
Modifying the “Path to executable” of a windows service
...mend this approach over direct registry changes. Many paths require quoted strings, which you can enter as follows, for example with MS SQL Server: sc config mssqlserver binPath= "\"F:\SQL DATA\MSSQL10.MSSQLSERVER\MSSQL\Binn\sqlservr.exe\" -sMSSQLSERVER"
– Marc Durdin
...
Interface defining a constructor signature?
...n of the problem). Suppose we could have:
interface IPerson
{
IPerson(string name);
}
interface ICustomer
{
ICustomer(DateTime registrationDate);
}
class Person : IPerson, ICustomer
{
Person(string name) { }
Person(DateTime registrationDate) { }
}
Where by convention the impleme...
Combining two expressions (Expression)
...t;(body, newParameter);
}
[TestMethod]
public void ExpressionText()
{
string text = "test";
Expression<Func<Coco, bool>> expr1 = p => p.Item1.Contains(text);
Expression<Func<Coco, bool>> expr2 = q => q.Item2.Contains(text);
Expression<Func<Coco, ...
How to read keyboard-input?
...
always put an space after your string for the user to enter his input if peace. Enter Tel12340404 vs Enter Tel: 12340404. see! :P
– Mehrad
May 6 '14 at 0:10
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