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machine learning libraries in C# [closed]
...asses:
public class TrainingSet
{
private readonly List<string> _attributes = new List<string>();
private readonly List<List<object>> _examples = new List<List<object>>();
public TrainingSet(params string[] attributes)
{
_attributes.AddRang...
Why does the default parameterless constructor go away when you create one with parameters
...ass, I most likely want to be able to instantiate that class. In order to allow that, the compiler must add a parameterless constructor, which will have no effect but to allow instantiation. This means that I don't have to include an empty constructor in my code just to make it work.
If I've defin...
What Every Programmer Should Know About Memory?
....
So, any book or article that describes something fundamental cannot be called outdated. "What every programmer should know about memory" is definitely worth to read, but, well, I don't think it's for "every programmer". It's more suitable for system/embedded/kernel guys.
...
micro:bit 实验02 - 按 A/B 键让屏幕上的小球跑起来 · App Inventor 2 中文网
...已失效，
本文用本站本地扩展。原文组件名写作 Microbit_Buttons，实际组件名是 Microbit_Button（无 s）。
一、器材清单
器材
数量
说明
BBC micro:bit
1
用板载的 A/B 两个...
MVC (Laravel) where to add logic
...
I think all patterns / architectures that you present are very useful as long as you follow the SOLID principles.
For the where to add logic I think that it's important to refer to the Single Responsibility Principle. Also, my answe...
Changing the background drawable of the searchview widget
...get to the right view within SearchView), but it's not bullet-proof. Especially if some manufacturer decides to reimplement internals of SearchView and element with above-mentioned id is not present - the code won't work.
In SDK, the background for text field in SearchView is declared through nine-...
Converting a Java collection into a Scala collection
... but you can also avoid using jcl.Buffer:
Set(javaApi.query(...).toArray: _*)
Note that scala.collection.immutable.Set is made available by default thanks to Predef.scala.
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How to replace multiple strings in a file using PowerShell
... PowerShell to continue parsing the expression on the next line:
$original_file = 'path\filename.abc'
$destination_file = 'path\filename.abc.new'
(Get-Content $original_file) | Foreach-Object {
$_ -replace 'something1', 'something1aa' `
-replace 'something2', 'something2bb' `
-re...
How to find out where a function is defined?
...
@EHerman I don't think you can find callers of a function with reflection. If you could it probably wouldn't work well for this because PHP files tend to be included on demand, and so you would likely not have all the code loaded which does call the function.
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ORA-30926: unable to get a stable set of rows in the source tables
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This is usually caused by duplicates in the query specified in USING clause. This probably means that TABLE_A is a parent table and the same ROWID is returned several times.
You could quickly solve the problem by using a DISTINCT in yo...