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Difference between Repository and Service Layer?
...Model GetByClient(int id)
{
return _clientRepository.Get(id).Select(c =>
new OrdersByClientViewModel
{
Cient = new ClientViewModel { ...init with values from c...}
Orders = c.Orders.Select(o => new OrderViewModel { ......
Why do we need fibers
... each. Think about it: normally all the Enumerable methods, including map, select, include?, inject, and so on, all work on the elements yielded by each. But what if an object has other iterators other than each?
irb(main):001:0> "Hello".chars.select { |c| c =~ /[A-Z]/ }
=> ["H"]
irb(main):00...
Parse JSON in C#
...result = new List<DynamicJsonObject>((result as ArrayList).ToArray().Select(x => new DynamicJsonObject(x as IDictionary<string, object>)));
}
else if (result is ArrayList)
{
result = new List<object>((result as ArrayList).ToArray());
}...
Understanding the Event Loop
... of queues of stuff that needs doing and every "tick" of the event loop it selects one, removes it from the queue, and runs it.
A key thing to understand is that node relies on the OS for most of the heavy lifting. So incoming network requests are actually tracked by the OS itself and when node is ...
How to have favicon / icon set when bookmarklet dragged to toolbar?
...for your bookmarklet.
Open Bookmarks Manager, click Organize dropdown, and select Export, save your bookmarks as html file.
Open that html file in text editor.
Find the bookmark you just created, lets say its Gmail bookmark, you should have an html code for it, that looks like this:
<DT><...
How to parse an RSS feed using JavaScript?
...t()) you'll want to inject to display your data.
Injecting the content
Select the container element that you want on the page and append your document fragments to it, and simply use innerHTML to replace its content entirely.
Something like:
$('#rss-viewer').append(aDocumentFragmentEntry);
o...
What are the best PHP input sanitizing functions?
... much more thorough job of both stripping out all HTML and also allowing a selective whitelist of tags and attributes through.
Modern PHP versions ship with the filter extension, which provides a comprehensive way to sanitize user input.
Validation
Making sure that submitted data is free from unexpe...
Using StringWriter for XML Serialization
...n="1.0" encoding="utf-16"?>
<string>Test ሴ????</string>';
SELECT @Xml;
-- <string>Test ሴ????</string>
As you can see, it even handles characters beyond standard ASCII, given that ሴ is BMP Code Point U+1234, and ???? is Supplementary Character Code Point U+1F638. Ho...
Logging levels - Logback - rule-of-thumb to assign log levels
....
from logback documentation:
In a more graphic way, here is how the selection rule works. In the following table, the vertical header shows the level of the logging request, designated by p, while the horizontal header shows effective level of the logger, designated by q. The intersection of ...
How should you build your database from source control?
... I'm assuming "look up lists" means the data that is used to populuate <select> boxes? That may not always be possible, since that data might be modified by users (in some way) on production. Keeping backups makes sense in this case. You also suggest recreating the database from scratch as ...