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WebSockets vs. Server-Sent events/EventSource
...dition, Server-Sent Events have a variety of features that WebSockets lack by design such as automatic reconnection, event IDs, and the ability to send arbitrary events.
TLDR summary:
Advantages of SSE over Websockets:
Transported over simple HTTP instead of a custom protocol
Can be poly-fill...
Create a GUID in Java
...answered Jun 6 '10 at 1:14
Mark ByersMark Byers
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Can anybody push to my project on github?
...
No, all repositories are read-only for anonymous users.
By default only the owner of the repository has write access. If you can push to your own repo, it's because you are using one of the supported authentification methods (HTTPS, SSH, ...).
If you want to grant someone else pr...
Java “user.dir” property - what exactly does it mean?
...rrect that this property points to the current working directory (e.g. set by the 'cd' command)?
4 Answers
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How to preventDefault on anchor tags?
...ribute has varying behavior in different browsers. Although I agree it is by far the cleanest and most efficient solution, it does have some cross-browser issues. Using the directive approach allows the browser to handle the <a> tag as it normally would, but still getting the OP the answer t...
How can I use Spring Security without sessions?
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@workerjoe So, what you are trying to say by this java configuration, the sessions are not created by spring security rather tomcat?
– Vishwas Atrey
May 8 at 20:50
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How to access property of anonymous type in C#?
...object v = o?.GetType().GetProperty("Foo")?.GetValue(o, null);
Note that by using ?. we cause the resulting v to be null in three different situations!
o is null, so there is no object at all
o is non-null but doesn't have a property Foo
o has a property Foo but its real value happens to be nul...
Multiple queries executed in java in single statement
...E;"
Yes it is possible. There are two ways, as far as I know. They are
By setting database connection property to allow multiple queries,
separated by a semi-colon by default.
By calling a stored procedure that returns cursors implicit.
Following examples demonstrate the above two possibilitie...
Remote Connections Mysql Ubuntu
... the localhost and '%' as in.
CREATE USER 'myuser'@'localhost' IDENTIFIED BY 'mypass';
CREATE USER 'myuser'@'%' IDENTIFIED BY 'mypass';
then,
GRANT ALL ON *.* TO 'myuser'@'localhost';
GRANT ALL ON *.* TO 'myuser'@'%';
and finally,
FLUSH PRIVILEGES;
EXIT;
If you don't have the same user cr...
Why we should not use protected static in java
...tend me.
Think about what protected means:
This variable can be seen by this class, classes in the same package and classes which extend me.
The two meanings are not exactly mutually exclusive but it is pretty close.
The only case I can see where you might use the two together is if you had...