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Java generics type erasure: when and what happens?
... say whether or not a method/type is generic, and what the constraints are etc. But when generics are used, they're converted into compile-time checks and execution-time casts. So this code:
List<String> list = new ArrayList<String>();
list.add("Hi");
String x = list.get(0);
is compil...
Handler vs AsyncTask vs Thread [closed]
... and main thread.
Use for small waiting operations like the following:
Fetching some data from web services and display over the layout.
Database query.
When you realize that running operation will never, ever be nested.
Handler:
When we install an application in android, then it creates a thr...
What is a 'Closure'?
...n count;
}
}
var x = makeCounter();
x(); returns 1
x(); returns 2
...etc...
What this function, makeCounter, does is it returns a function, which we've called x, that will count up by one each time its called. Since we're not providing any parameters to x it must somehow remember the count. ...
Why doesn't the JVM cache JIT compiled code?
... the warnings that "this will only be valid with exact same JVM, same data etc and otherwise ignored". Regarding why this has not been implemented, I would expect that the added complexity of persisting and validating the JIT seed data was too much to take resources from other projects. Given the ...
Embed git commit hash in a .Net dll
...nformationalVersionAttribute)Assembly
.GetAssembly(typeof(YOURTYPE))
.GetCustomAttributes(typeof(AssemblyInformationalVersionAttribute), false)[0])
.InformationalVersion;
where YOURTYPE is any Type in the Assembly that has the AssemblyInformationalVersion attribute.
...
Do try/catch blocks hurt performance when exceptions are not thrown?
...atter, and use ArrayPool<byte> instead of just creating byte arrays, etc... In these scenarios what is the impact of multiple (perhaps nested) try catch blocks within the tight loop. Some optimizations will be skipped by the compiler also exception variable goes to Gen0 GC. All I am saying is ...
Fastest Way to Serve a File Using PHP
...or other web servers also. This means that you can still do access control etc in php but delegate the actual sending of the file to a web server designed for that.
P.S: I get chills just thinking about how much more efficient using this with nginx is, compared to reading and sending the file in ph...
Table fixed header and scrollable body
...ss "col1" to all the cells on the first column, "col2" con the second one, etc..
– Luke
Sep 1 '15 at 13:33
4
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What is the meaning of single and double underscore before an object name?
... the Python world.
There's no difference between class, variable, global, etc in these conventions.
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How to Loop through items returned by a function with ng-repeat?
...es it in cache, creates new scope, puts object on it, creates DOM element, etc.
Now about hashKey. Usually hashKey is unique number generated by nextUid(). But it can be function. hashKey is stored in object after generating for future use.
Why your example generates error: function getEntities() ...