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How to use sessions in an ASP.NET MVC 4 application?
...pe in a session. Once created you can access the value stored to it across all views and controllers. Take note also that session created is only accessible per user and per browser. Meaning the session created by User1 using Firefox cannot be accessed by the same user using IE. There are things als...
NUnit isn't running Visual Studio 2010 code
... VS2008 solution in the VS2010 beta. Once the conversion finished I opened all the projects and changed the target framework setting for all the projects to ".NET Framework 4.0". I then built the solution without any errors. I can now use the NUnit GUI app to run tests built for .NET 4.0. I've not d...
'dragleave' of parent element fires when dragging over children elements
...
The only downside to this approach is that it nukes all pointer events on child elements (eg they can no longer have separate :hover styles or click event handlers). In case you want to preserve those events, here's another workaround I've been using: bensmithett.github.io/dra...
Why is the use of alloca() not considered good practice?
alloca() allocates memory on the stack rather than on the heap, as in the case of malloc() . So, when I return from the routine the memory is freed. So, actually this solves my problem of freeing up dynamically allocated memory. Freeing of memory allocated through malloc() is a major headache an...
Modify SVG fill color when being served as Background-Image
... & height of a page and then use z-index css property to put it behind all the other DOM elements on a page.
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SQL: IF clause within WHERE clause
...n a WHERE clause. If you want to apply some "IF" logic in the WHERE clause all you need to do is add the extra condition with an boolean AND to the section where it needs to be applied.
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impr...
What is meant by immutable?
... without worrying that someone else is going to change its contents. Especially when dealing with concurrency, there are no locking issues with objects that never change
e.g.
class Foo
{
private final String myvar;
public Foo(final String initialValue)
{
this.myvar = initi...
using extern template (C++11)
...t file size.
For example:
// header.h
template<typename T>
void ReallyBigFunction()
{
// Body
}
// source1.cpp
#include "header.h"
void something1()
{
ReallyBigFunction<int>();
}
// source2.cpp
#include "header.h"
void something2()
{
ReallyBigFunction<int>();
}
...
Change Volley timeout duration
...requests.
Volley sets default Socket & ConnectionTImeout to 5 secs for all requests.
RetryPolicy is an interface where you need to implement your logic of how you want to retry a particular request when a timeout happens.
It deals with these three parameters
Timeout - Specifies Socket Timeo...
What is the difference between exit() and abort()?
...
abort() exits your program without calling functions registered using atexit() first, and without calling objects' destructors first. exit() does both before exiting your program. It does not call destructors for automatic objects though. So
A a;
void test() ...