大约有 2,500 项符合查询结果(耗时:0.0270秒) [XML]
When should I use genetic algorithms as opposed to neural networks? [closed]
...e useful for recognizing patterns. They follow a simplistic model of the brain, and by changing a number of weights between them, attempt to predict outputs based on inputs.
They are two fundamentally different entities, but sometimes the problems they are capable of solving overlap.
...
Where are my postgres *.conf files?
...= 100 # 0-1000 max buffers written/round
#bgwriter_lru_multiplier = 2.0 # 0-10.0 multipler on buffers scanned/round
# - Asynchronous Behavior -
#effective_io_concurrency = 1 # 1-1000. 0 disables prefetching
#----------------------------------------------------------------------...
Event Signature in .NET — Using a Strong Typed 'Sender'? [closed]
...riance in Delegates) This solution will work just fine in all CLR versions 2.0 and up (obviously this will not work in a CLR 1.0 application as it uses generics).
Secondly, I strongly disagree that your idea verges on "blasphemy" as this is a wonderful idea.
...
How to get folder path for ClickOnce application
... will find the ClickOnce cache here:
c:\users\username\AppData\Local\Apps\2.0\obfuscatedfoldername\obfuscatedfoldername
On Windows XP, you will find it here:
C:\Documents and Settings\username\LocalSettings\Apps\2.0\obfuscatedfoldername\obfuscatedfoldername
...
Center content of UIScrollView when smaller
...ged the line anOffset.y = -(scrollViewSize.height - zoomViewSize.height) / 2.0 to anOffset.y = (-(scrollViewSize.height - zoomViewSize.height) / 2.0) + 10;
– Gordon Fontenot
Jun 25 '10 at 18:03
...
Finding index of character in Swift String
...
In Swift 2.0, distance(text.startIndex, range.startIndex) becomes text.startIndex.distanceTo(range.startIndex)
– superarts.org
Oct 10 '15 at 9:15
...
R command for setting working directory to source file location in Rstudio
I am working out some tutorials in R. Each R code is contained in a specific folder. There are data files and other files in there. I want to open the .r file and source it such that I do not have to change the working directory in Rstudio as shown below:
...
Is there a way to list pip dependencies/requirements?
...shelve'-like database with concurrency support
├── prompt-toolkit<2.0.0,>=1.0.4 Library for building powerful interactive command lines in Python
│ ├── six>=1.9.0 Python 2 and 3 compatibility utilities
│ └── wcwidth Measures number...
What's the difference between equal?, eql?, ===, and ==?
...and float), if their numeric value is the same, == will return true.
2 == 2.0 # Output: => true
equal?
Unlike the == operator which tests if both operands are equal, the equal method checks if the two operands refer to the same object. This is the strictest form of equality in Ruby.
Example:...
Convert a list of objects to an array of one of the object's properties
...
For everyone who is stuck with .NET 2.0, like me, try the following way (applicable to the example in the OP):
ConfigItemList.ConvertAll<string>(delegate (ConfigItemType ci)
{
return ci.Name;
}).ToArray();
where ConfigItemList is your list variab...