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Use of def, val, and var in scala
...our code:
def person = new Person("Kumar",12)
This defines a new method called person. You can call this method only without () because it is defined as parameterless method. For empty-paren method, you can call it with or without '()'. If you simply write:
person
then you are calling this met...
What is the meaning of the term arena in relation to memory?
...llocation works. The only thing outside your control is the single library call for the initial allocation.
One popular use case is where each arena is only used to allocate memory blocks of one single, fixed size. In that case, you can write very efficient reclamation algorithms. Another use case ...
pass post data with window.location.href
...on attribute of the form to the URL and the method attribute to POST, then call the submit method on the form tag.
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Does async(launch::async) in C++11 make thread pools obsolete for avoiding expensive thread creation
...as very cheap and after testing I determined that the overhead of function call in a new thread vs. a normal one is enormous. The overhead for creating a thread to handle a function call is something like 10000 or more times slower than a plain function call. So, if you're issuing a lot of small fun...
Visual Studio debugging “quick watch” tool and lambda expressions
...g. It requires the EE to actually generate the full function body for the call back (all the way to IL). The EE does nothing of this sort today, instead it's an interpreter.
– JaredPar
Jan 16 '14 at 18:29
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Python Requests and persistent sessions
... = s.get('https://localhost/profile_data.json', ...)
#cookies sent automatically!
#do whatever, s will keep your cookies intact :)
For more about sessions: https://requests.kennethreitz.org/en/master/user/advanced/#session-objects
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How to scroll HTML page to given anchor?
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@MarkusZeller, why shouldn't the parameter be called hash? It doesn't collide with location, does it?
– Gherman
Dec 5 '16 at 12:46
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How do I keep two side-by-side divs the same height?
...minds like Ed Eliot's on his blog have posted their solutions online.
Basically what you do is make both divs/columns very tall by adding a padding-bottom: 100% and then "trick the browser" into thinking they aren't that tall using margin-bottom: -100%. It is better explained by Ed Eliot on his blo...
Android update activity UI from service
...he Activity to get a direct
reference to the Service, thus allowing direct calls on it, rather
than using Intents.
Use RxJava to execute asynchronous operations.
If the Service needs to continue background operations even when no
Activity is running, also start the service from the Application
class...
jQuery pitfalls to avoid [closed]
...red");
});
I found this the enlightening moment when I realized how the call stacks work.
Edit: incorporated suggestions in comments.
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