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Duplicate log output when using Python logging module
...dundant with logging.getLogger? since you really just want to avoid adding extra handlers, it seems like you'd prefer the answers below that check for handlers directly
– mway
Sep 24 '19 at 16:29
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What is fastest children() or find() in jQuery?
...ifferent ways to distinguish children.
As it happens, even when using the extra ">" selector, .find() is still a lot faster than .children(); on my system, 10x so.
So, from my perspective, there does not appear to be much reason to use the filtering mechanism of .children() at all.
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How can I initialize base class member variables in derived class constructor?
...ase from Member idiom. It's not a code free solution, you'd have to add an extra layer of inheritance, but it gets the job done. To avoid boilerplate code you could use boost's implementation
share
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Can I use Objective-C blocks as properties?
...impleBlock)(void);
@property (nonatomic, copy) BOOL (^blockWithParamter)(NSString *input);
If you are going to be repeating the same block in several places use a type def
typedef void(^MyCompletionBlock)(BOOL success, NSError *error);
@property (nonatomic) MyCompletionBlock completion;
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What is the “continue” keyword and how does it work in Java?
... most readable, and most reasonable way to do things, rather than creating extra variables just to make the loop exit look more clean.
– David R Tribble
Jun 11 '18 at 15:15
ad...
How to convert URL parameters to a JavaScript object?
I have a string like this:
30 Answers
30
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How to drop a database with Mongoose?
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You've got a typo -- an extra comma after the function(err)... should be: mongoose.connection.collections['collectionName'].drop( function(err) { console.log('collection dropped'); });
– arxpoetica
Aug 19 '...
Send JSON data via POST (ajax) and receive json response from Controller (MVC)
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Create a model
public class Person
{
public string Name { get; set; }
public string Address { get; set; }
public string Phone { get; set; }
}
Controllers Like Below
public ActionResult PersonTest()
{
return View();
}
[HttpPost]
p...
Loader lock error
...n was thrown.
I overcame this error by creating the object-instance in an extra thread:
ThreadStart threadRef = new ThreadStart(delegate { m_ComObject = Activator.CreateInstance(Type.GetTypeFromProgID("Fancy.McDancy")); });
Thread myThread = new Thread(threadRef);
myThread.Start();
myThread.Join(...
Understanding exactly when a data.table is a reference to (vs a copy of) another data.table
... <- DT[,new:=1L]
because the RHS already changed DT by reference. The extra DT <- is to misunderstand what := does. You can write it there, but it's superfluous.
DT is changed by reference, by :=, EVEN WITHIN FUNCTIONS :
f <- function(X){
X[,new2:=2L]
return("something else")
}...