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Using a bitmask in C#
...o do this is to use the Flags attribute on an enum:
[Flags]
public enum Names
{
None = 0,
Susan = 1,
Bob = 2,
Karen = 4
}
Then you'd check for a particular name as follows:
Names names = Names.Susan | Names.Bob;
// evaluates to true
bool susanIsIncluded = (names & Names.Susa...
Best way to represent a Grid or Table in AngularJS with Bootstrap 3? [closed]
...
After trying out ngGrid, ngTable, trNgGrid and Smart Table, I have come to the conclusion that Smart Table is by far the best implementation AngularJS-wise and Bootstrap-wise. It is built exactly the same way as you would build your own, naive table using standard angular. On top of that, they...
When would you use a WeakHashMap or a WeakReference?
The use of weak references is something that I've never seen an implementation of so I'm trying to figure out what the use case for them is and how the implementation would work. When have you needed to use a WeakHashMap or WeakReference and how was it used?
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How to unescape HTML character entities in Java?
Basically I would like to decode a given Html document, and replace all special chars, such as " " -> " " , ">" -> ">" .
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Preventing scroll bars from being hidden for MacOS trackpad users in WebKit/Blink
WebKit/Blink's (Safari/Chrome) default behaviour on MacOS since 10.7 (Mac OS X Lion) is to hide scroll bars from trackpad users when they're not in use. This can be confusing ; the scroll bar is often the only visual cue that an element is scrollable.
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Check if an apt-get package is installed and then install it if it's not on Linux
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To check if packagename was installed, type:
dpkg -s <packagename>
You can also use dpkg-query that has a neater output for your purpose, and accepts wild cards, too.
dpkg-query -l <packagename>
To find what package owns the com...
How can I change property names when serializing with Json.net?
I have some data in a C# DataSet object. I can serialize it right now using a Json.net converter like this
3 Answers
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Difference between socket and websocket?
...th another application using socket connections. This is new territory for me, so want to be sure that sockets are different than websockets . It seems like they're only conceptually similar.
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How to parse a string to an int in C++?
... exception on conversion error.
Even these new functions still have the same issue as noted by Dan: they will happily convert the string "11x" to integer "11".
See more: http://en.cppreference.com/w/cpp/string/basic_string/stol
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How to map calculated properties with JPA and Hibernate
...rived property so you'll have to use a provider specific extension. As you mentioned, @Formula is perfect for this when using Hibernate. You can use an SQL fragment:
@Formula("PRICE*1.155")
private float finalPrice;
Or even complex queries on other tables:
@Formula("(select min(o.creation_date) ...