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.NET - Dictionary locking vs. ConcurrentDictionary
... a can from a pyramid-can while a clerk is currently building the pyramid, all hell would break loose. Or, what if two customers reaches for the same item at the same time, who wins? Will there be a fight? This is a non-threadsafe-collection. There's plenty of ways to avoid problems, but they all re...
AngularJS access parent scope from child controller
...rty}}
</div>
See jsFiddle: http://jsfiddle.net/2r728/
Update
Actually since you defined cities in the parent controller your child controller will inherit all scope variables. So theoritically you don't have to call $parent. The above example can also be written as follows:
function Paren...
.NET WPF Remember window size between sessions
Basically when user resizes my application's window I want application to be same size when application is re-opened again.
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Why do we need tuples in Python (or any immutable data type)?
...
immutable objects can allow substantial optimization; this is presumably why strings are also immutable in Java, developed quite separately but about the same time as Python, and just about everything is immutable in truly-functional languages.
in...
What is the best Java library to use for HTTP POST, GET etc.? [closed]
... transport error: " + e.getMessage());
e.printStackTrace();
} finally {
// Release the connection.
method.releaseConnection();
}
}
}
some highlight features:
Standards based, pure Java, implementation of HTTP versions 1.0
and 1.1
Full implementation of all HTTP me...
SQL is null and = null [duplicate]
... 1), (1, 1);
select 'x = null' as test , x, y from t where x = null
union all
select 'x != null', x, y from t where x != null
union all
select 'not (x = null)', x, y from t where not (x = null)
union all
select 'x = y', x, y from t where x = y
union all
select 'not (x = y)', x, y from t where not (...
Git diff says subproject is dirty
I have just run a git diff, and I am getting the following output for all of my approx 10 submodules
9 Answers
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What exactly is a Context in Java? [duplicate]
...'s ApplicationContext, Android's Context, JNDI's InitialContext, etc. They all often follow the Facade Pattern which abstracts the environmental details the enduser doesn't need to know about away in a single interface/class.
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Dealing with multiple Python versions and PIP?
...ple versions of Python? For example, I want to use pip to explicitly install things to either my site 2.5 installation or my site 2.6 installation.
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store and retrieve a class object in shared preference
...tream and save as String in the SharedPreferences
– rallat
Jun 6 '12 at 15:22
27
another option i...