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Difference between session affinity and sticky session?
...een those terms used interchangeably, but there are different ways of implem>me m>nting it:
Send a cookie on the first response and then look for it on subsequent ones. The cookie says which real server to send to.
Bad if you have to support cookie-less browsers
Partition based on the requester's IP a...
What is the performance cost of having a virtual m>me m>thod in a C++ class?
Having at least one virtual m>me m>thod in a C++ class (or any of its parent classes) m>me m>ans that the class will have a virtual table, and every instance will have a virtual pointer.
...
AngularJS : Initialize service with asynchronous data
I have an AngularJS service that I want to initialize with som>me m> asynchronous data. Som>me m>thing like this:
10 Answers
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What is the JUnit XML format specification that Hudson supports?
...t as a test protocol:
<testsuite tests="3">
<testcase classnam>me m>="foo1" nam>me m>="ASuccessfulTest"/>
<testcase classnam>me m>="foo2" nam>me m>="AnotherSuccessfulTest"/>
<testcase classnam>me m>="foo3" nam>me m>="AFailingTest">
<failure type="NotEnoughFoo"> details about fai...
What is the global interpreter lock (GIL) in CPython?
...to interpreter internals from different threads. On multi-core systems, it m>me m>ans that multiple threads can't effectively make use of multiple cores. (If the GIL didn't lead to this problem, most people wouldn't care about the GIL - it's only being raised as an issue because of the increasing prevale...
Which way is best for creating an object in JavaScript? Is `var` necessary before an object property
...e several similar objects. In your example, Person (you should start the nam>me m> with a capital letter) is called the constructor function. This is similar to classes in other OO languages.
Use way 2 if you only need one object of a kind (like a singleton). If you want this object to inherit from anoth...
Difference between Python's Generators and Iterators
What is the difference between iterators and generators? Som>me m> examples for when you would use each case would be helpful.
1...
Select first row in each GROUP BY group?
...a, Sybase, Vertica:
WITH summary AS (
SELECT p.id,
p.custom>me m>r,
p.total,
ROW_NUMBER() OVER(PARTITION BY p.custom>me m>r
ORDER BY p.total DESC) AS rk
FROM PURCHASES p)
SELECT s.*
FROM summary s
WHERE s.rk = 1
Supported by...
Rule-of-Three becom>me m>s Rule-of-Five with C++11?
...class T> MyClass(T&& other) edit and of course a "move assignm>me m>nt operator", template<class T> MyClass& operator=(T&& other) as Philipp points out in his answer, if it has dynamically allocated m>me m>mbers, or generally stores pointers. Just like you should have a cop...
When should I use RequestFactory vs GWT-RPC?
...t to get started with, because you write fewer lines of code and use the sam>me m> class on both the client and the server. You might create a Person class with a bunch of getters and setters and maybe som>me m> simple business logic for further slicing-and-dicing of the data in the Person object. This work...