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What is Unicode, UTF-8, UTF-16?
... addition, the vast majority of commonly used characters are representable by only two bytes, in a region called the Basic Multilingual Plane (BMP). Now a character encoding is needed to access this character set, and as the question asks, I will concentrate on UTF-8 and UTF-16.
Memory consideratio...
Create the perfect JPA entity [closed]
...ble. Stuff that's going to go in the HttpSession, or be sent over the wire by RPC/Java EE, needs to implement Serializable. Other stuff: not so much. Spend your time on what's important.
Constructors: create a constructor with all required fields of the entity?
Constructor(s) for application logic...
Is there any difference between DECIMAL and NUMERIC in SQL Server?
...that they are ALMOST the same. At the same time, no recommendation is made by Microsoft regarding one or another (however DECIMAL makes more sense, as it's a standard's datatype instead of a legacy datatype from Sybase). Still wondering what the real difference (behind the screens) is :-).
...
SSL certificate rejected trying to access GitHub over HTTPS behind firewall
...tter way than using http access and that is to use the ssh service offered by github on port 443 of the ssh.github.com server.
We use a tool called corkscrew. This is available for both CygWin (through setup from the cygwin homepage) and Linux using your favorite packaging tool. For MacOSX it is av...
How to get a reference to current module's attributes in Python
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For anyone reading comment by george: sys.modules[__name__].__doc__ == __doc__ as this is defined in the current namespace. Fetching the module object to access its own attributes is therefore not necessary.
– Oliver Bestwalter
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How to add global ASP.Net Web Api Filters?
...C lives under the System.Web.Mvc namespace. The two will happily live side by side, but one does not contain the other and despite the similarities in the programming model, the underlying implementations are different. Just as MVC controllers and Web API controllers inherit different base controlle...
Characters allowed in a URL
...L.
EDIT: As @Jukka K. Korpela correctly points out, this RFC was updated by RFC 3986.
This has expanded and clarified the characters valid for host, unfortunately it's not easily copied and pasted, but I'll do my best.
In first matched order:
host = IP-literal / IPv4address / reg-name
IP...
CSS Selector for
...
Parent > child that has: p > span { font-weight: bold; }
Preceded by ~ element which is: span ~ span { color: blue; }
Which for <p><span/><span/></p> would effectively give you:
<p>
<span style="font-weight: bold;">
<span style="font-weight:...
Is there a difference between copy initialization and direct initialization?
...n C++17. These objects (called "result objects") are the variables created by a declaration (like a1), artificial objects created when the initialization ends up being discarded, or if an object is needed for reference binding (like, in A_factory_func();. In the last case, an object is artificially ...
When to use RSpec let()?
...ble takes a long time, then you're wasting cycles. For the method defined by let, the initialization code only runs if the example calls it.
You can refactor from a local variable in an example directly into a let without changing the
referencing syntax in the example. If you refactor to an instan...