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In C#, should I use string.Empty or String.Empty or “” to intitialize a string?
...
Use whatever you and your team find the most readable.
Other answers have suggested that a new string is created every time you use "". This is not true - due to string interning, it will be created either once per assembly or once per AppDo...
Streaming via RTSP or RTP in HTML5
...er.com/path/to/stream">
Your browser does not support the VIDEO tag and/or RTP streams.
</video>
or maybe
<video src="http://myserver.com:1935/path/to/stream/myPlaylist.m3u8">
Your browser does not support the VIDEO tag and/or RTP streams.
</video>
That said, the imple...
How to map a composite key with JPA and Hibernate?
...y the specification also applies. So here they are:
2.1.4 Primary Keys and Entity Identity
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A composite primary key must
correspond to either a single
persistent field or property or to a
set of such fields or properties as
described below. A primary key class
must be defi...
Message Queue vs. Web Services? [closed]
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When you use a web service you have a client and a server:
If the server fails the client must take responsibility to handle the error.
When the server is working again the client is responsible of resending it.
If the server gives a response to the call and the clien...
What is a higher kinded type in Scala?
...of polymorphism/abstraction. It means the same thing for polymorphic types and values. Concretely, a higher-order abstraction abstracts over something that abstracts over something. For types, the term "higher-kinded" is a special-purpose version of the more general "higher-order".
Thus, the higher-...
What are Transient and Volatile Modifiers?
Can someone explain what the transient and volatile modifiers mean in Java?
4 Answers
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erb, haml or slim: which one do you suggest? And why? [closed]
I am learning Rails and I have seen these template engines. I have no experience with them (only erb).
5 Answers
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Access Denied for User 'root'@'localhost' (using password: YES) - No Privileges?
... answered Jul 31 '13 at 16:42
Andy JonesAndy Jones
5,80644 gold badges2727 silver badges4444 bronze badges
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Regex exactly n OR m times
...ou are doing it is fine.
An alternative is:
X{m}(X{k})?
where m < n and k is the value of n-m.
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Insert Update trigger how to determine if insert or update
...ble A's column (say Col1). How would I go around writing it so that I can handle both Update and Insert cases. How would I determine if the trigger is executed for an update or insert.
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