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What can be the reasons of connection refused errors?
...ect to the ip/port to test connectivity. This removes any potential issues from your application.
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How to return multiple objects from a Java method?
I want to return two objects from a Java method and was wondering what could be a good way of doing so?
25 Answers
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What exactly is a C pointer if not a memory address?
...their addresses in pointers to them. Instead you can number your variables from 1 to whatever and store that number in the pointer. That is perfectly legal per the language standard so long as the implementation knows how to transform those numbers into addresses and how to do pointer arithmetic wit...
Redirect to named url pattern directly from urls.py in django?
In Django, how can I do a simple redirect directly from urls.py? Naturally I am a well organized guy, favoring the DRY principle, so I would like to get the target based on it's named url pattern, rather than hard coding the url.
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Disable cache for some images
...ng?dummy=8484744" />
Or
<img src="image.png?dummy=371662" />
From the point of view of the web-server the same file is accessed, but from the point of view of the browser no caching can be performed.
The random number generation can happen either on the server when serving the page (j...
How to refresh app upon shaking the device?
...ensorManager mSensorManager;
private float mAccel; // acceleration apart from gravity
private float mAccelCurrent; // current acceleration including gravity
private float mAccelLast; // last acceleration including gravity
private final SensorEventListener mSensorListener = new SensorEventLi...
How do I put a bunch of uncommitted changes aside while working on something else
...ndful options:
Shelve the items. This saves the changes and removes them from the working directory so the branch can continue. It doesn't create a change-set.
hg shelve --all --name "UnfinishedChanges"
hg unshelve --name "UnfinishedChanges"
Update/Edit: Newer versions of mercurial may need to...
Should I use JSLint or JSHint JavaScript validation? [closed]
...JavaScript. JSHint was a new fork of JSLint, but had not yet diverged much from the original.
Since then, JSLint has remained pretty much static, while JSHint has changed a great deal - it has thrown away many of JSLint's more antagonistic rules, has added a whole load of new rules, and has general...
How to use single storyboard uiviewcontroller for multiple subclass
... which is connected to right navigation button of the navigation bar
From there I would like to use the storyboard as a template for other views without having to create additional storyboards. Say these views will have exactly the same interface but with root view controller of class Specifi...
How to get rid of `deprecated conversion from string constant to ‘char*’` warnings in GCC?
...ern void foo(char* m);
int main() {
// warning: deprecated conversion from string constant to ‘char*’
//foo("Hello");
// no more warning
char msg[] = "Hello";
foo(msg);
}
Is this an appropriate way of solving this? I do not have access to foo to adapt it to accept const c...